compiling

CMakeLists.txt

@@ -1,17 +1,132 @@
-cmake_minimum_required(VERSION 2.8.4)
+cmake_minimum_required(VERSION 3.10)
-project(secX)
 
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c11")
+# disable in-source build
+set(CMAKE_DISABLE_IN_SOURCE_BUILD ON)
+set(CMAKE_DISABLE_SOURCE_CHANGES ON)
 
-file(GLOB_RECURSE kernel_src ./inc/*.h ke/*.c ke/*.h ./arch/*.c ./arch/*.h)
+project(fusion)
-include_directories(inc)
 
-# KERNEL
+set(proj fusion)
-add_executable(kernel ${kernel_src})
+set(INC ${CMAKE_CURRENT_SOURCE_DIR}/inc)
+set(MK ${CMAKE_CURRENT_SOURCE_DIR}/mk)
+set(arch amd64)
+
+include(${MK}/${arch}.cmake)
+
+# sanity check
+set(TOOLCHAINS
+        AS
+        CC
+        GRUB
+        LD
+        DMP)
+
+FOREACH(f IN LISTS TOOLCHAINS)
+    if(NOT ${f})
+        message(FATAL_ERROR "Toolchain ${f} cannot be found.")
+    endif()
+endforeach(f)
+
+set(CC_FLAGS
+        -std=c17
+        -c
+        -g
+        -O2
+        -Wall
+        -Wextra
+        -Wpedantic
+        -Werror
+        -ffreestanding
+        -I${CMAKE_CURRENT_SOURCE_DIR}/inc
+        -fno-pic
+        -fno-stack-protector
+        ${CC_FLAGS_${ARCH}})
+
+set(AS_FLAGS
+        ${AS_FLAGS_${ARCH}})
+
+set(LD_FLAGS
+        -fuse-ld=${LD}
+        -nostdlib
+        -Wl,--fatal-warnings
+        ${LD_FLAGS_${ARCH}})
+
+set(PP_FLAGS
+        -E
+        -xc
+        -P
+        -I${INC}
+        ${PP_FLAGS_${ARCH}})
+
+set(DMP_FLAGS
+        ${DMP_FLAGS_${ARCH}})
+
+set(SUBMODULES
+        kern
+        arch
+        scripts)
+
+# process submodules
+FOREACH(f IN LISTS SUBMODULES)
+    add_subdirectory(${f})
+endforeach(f)
+
+# process dependencies
+FOREACH(f IN LISTS SUBMODULES)
+    set(OBJS ${OBJS} ${OBJS_${f}})
+    set(TARGETS ${TARGETS} ${TARGET_${f}})
+endforeach(f)
+
+# set target names
+
+
+# Rules for generating the image
+set(TARGET ${proj}_elf)
+set(OBJ_${TARGET} ${CMAKE_CURRENT_BINARY_DIR}/${proj}.elf)
+add_custom_command(
+        OUTPUT ${OBJ_${TARGET}}
+        DEPENDS ${TARGETS}
+        COMMAND ${CC} ${LD_FLAGS} -Wl,-T, ${SCRIPT_LD} -o ${OBJ_${TARGET}} ${OBJS})
+
+add_custom_target(${TARGET} ALL
+        DEPENDS ${OBJ_${TARGET}})
+
+
+# Rules for generating the dump
+set(TARGET ${proj}_dmp)
+set(OBJ_${TARGET} ${CMAKE_CURRENT_BINARY_DIR}/${proj}.dmp)
+
+add_custom_command(
+        OUTPUT ${OBJ_${TARGET}}
+        DEPENDS ${proj}_elf
+        COMMAND ${DMP} ${DMP_FLAGS} ${OBJ_${proj}_elf} > ${OBJ_${TARGET}}
+)
+add_custom_target(${proj}_dmp ALL
+        DEPENDS ${OBJ_${TARGET}})
+
+
+# Rules for generating the iso
+set(TARGET ${proj}_iso)
+set(OBJ_${TARGET} ${CMAKE_CURRENT_BINARY_DIR}/${proj}.iso)
+
+add_custom_command(
+        OUTPUT ${OBJ_${TARGET}}
+        DEPENDS ${proj}_elf ${TARGET_scripts}
+        COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_CURRENT_BINARY_DIR}/tmp_iso
+        COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_CURRENT_BINARY_DIR}/tmp_iso/boot
+        COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_CURRENT_BINARY_DIR}/tmp_iso/boot/grub
+        COMMAND ${CMAKE_COMMAND} -E copy ${OBJ_${proj}_elf} ${CMAKE_CURRENT_BINARY_DIR}/tmp_iso/
+        COMMAND ${CMAKE_COMMAND} -E copy ${SCRIPT_GRUB} ${CMAKE_CURRENT_BINARY_DIR}/tmp_iso/boot/grub/
+        COMMAND ${GRUB} -d /usr/lib/grub/i386-pc -o ${OBJ_${TARGET}} ${CMAKE_CURRENT_BINARY_DIR}/tmp_iso
+)
+
+add_custom_target(${proj}_iso ALL
+        DEPENDS ${OBJ_${TARGET}})
+
+# hack for clion not parsing custom targets
+if ($ENV{CLION_IDE})
+    include_directories(inc)
+    add_executable(kernel ${G_CC_SRC})
+endif()
 
-# KERNEL + TESTS
-#include_directories(test/inc)
-#include_directories(kernel/inc)
-#add_definitions(-DTDBG)
-#add_executable(tests ${test_src} ${kernel_src})
 

Makefile

@@ -1,80 +0,0 @@
-
-AS := nasm
-CC := clang
-LD := lld
-DAS := llvm-objdump-6.0
-
-ifneq '$(AS_ENV)' ''
-AS := $(AS_ENV)
-endif
-$(info Using AS=$(AS))
-
-ifneq '$(CC_ENV)' ''
-CC := $(CC_ENV)
-endif
-$(info Using CC=$(CC))
-
-ifneq '$(LD_ENV)' ''
-LD := $(LD_ENV)
-endif
-$(info Using LD=$(LD))
-
-ifneq '$(DAS_ENV)' ''
-DAS := $(DAS_ENV)
-endif
-$(info Using DAS=$(DAS))
-
-INC_COMMON := inc
-MK := mk
-OUT := out
-
-C_FLAGS_ARCH_X86_64 := -mcmodel=kernel \
-                  -target x86_64-pc-none-elf \
-                  -mno-red-zone \
-                  -mno-mmx \
-                  -mno-sse \
-                  -mno-sse2 \
-                  -mno-sse3 \
-                  -mno-3dnow
-
-# generic freestanding cflags used for target
-# each submodule can append to this flag
-C_FLAGS =   -x c \
-			-g \
-            -c \
-            -O2 \
-			-std=c17 \
-			-Wall \
-			-Wextra \
-			-Wpedantic \
-			-Werror \
-			-ffreestanding \
-			-fno-pic \
-			-fno-stack-protector \
-			$(C_FLAGS_ARCH_X86_64) \
-			-I$(INC_COMMON) \
-			$(C_FLAGS_$(MOD))
-
-# generic asm flags used for target
-# each submodule can append to this flag
-AS_FLAGS =  -w+all \
-			-w+error \
-			-f elf64 \
-			-F dwarf \
-			-g \
-			-I$(INC_COMMON) \
-			$(AS_FLAGS_$(MOD))
-
-# generic pre-processing flags used for target
-PREP_FLAGS = -E \
-			 -xc\
-			 -P \
-			 -I$(INC_COMMON) \
-             $(C_FLAGS_$(MOD))
-
-MKDIR = mkdir -p $(dir $@)
-COMP = $(CC) $(C_FLAGS) -o $@ $<
-COMPAS = $(AS) $(AS_FLAGS) -o $@ $<
-PREP = $(CC) $(PREP_FLAGS) $< > $@
-
-include Rules.top

Rules.top

@@ -1,61 +0,0 @@
-include $(MK)/prologue.mk
-
-.DEFAULT_GOAL := all
-
-# OBJ var holds all OBJS required to link the kernel
-
-dir	:= hal
-include	$(dir)/Rules.mk
-dir	:= kernel
-include	$(dir)/Rules.mk
-dir := mk
-include $(dir)/Rules.mk
-dir := common
-include $(dir)/Rules.mk
-
-
-LD_SCRIPT := $(OUT)/$(MK)/linker.ld
-GRUB_CFG = $(MK)/grub.cfg
-
-TGT := $(OUT)/secxkrnl.elf
-DMP := $(OUT)/secxkrnl.dmp
-ISO := $(OUT)/secxkrnl.iso
-
-DUMP_FLAGS = -x86-asm-syntax=intel \
-			 -disassemble \
-			 -r \
-			 -t \
-			 -triple=x86_64-pc-none-elf \
-			 -print-imm-hex
-
-LD_FLAGS =  -fuse-ld=$(LD) \
-			-nostdlib \
-			-Wl,-T,$(LD_SCRIPT) \
-			-Wl,--fatal-warnings
-
-$(TGT): $(OBJ) $(LD_SCRIPT)
-	$(CC) $(LD_FLAGS) -o $@ $^
-
-$(DMP): $(TGT)
-	$(DAS) $(DUMP_FLAGS) $< > $@
-
-.PHONY: iso
-iso: $(TGT) $(GRUB_CFG)
-	mkdir -p $(OUT)/temp/secX
-	mkdir -p $(OUT)/temp/boot
-	mkdir -p $(OUT)/temp/boot/grub
-	cp $(TGT) $(OUT)/temp/secX/
-	cp $(GRUB_CFG) $(OUT)/temp/boot/grub/
-	grub-mkrescue -d /usr/lib/grub/i386-pc -o $(ISO) $(OUT)/temp
-
-.PHONY: clean
-clean:
-	rm -rf $(OUT)
-
-.PHONY: compile
-compile: $(TGT) $(DMP)
-
-.PHONY: all
-all: compile iso
-
-include $(MK)/epilogue.mk

arch/CMakeLists.txt

@@ -0,0 +1,16 @@
+set(SUBMODULE arch)
+set(CC_SRC
+        cpu.c
+        init.c
+        intr.c
+        mem.c
+        print.c)
+
+set(AS_SRC
+        boot.asm
+        mb_hdr.asm
+        atomic.asm
+        cpu.asm
+        intr.asm)
+
+include(${MK}/kern.cmake)

arch/Rules.mk

@@ -1,36 +0,0 @@
-include $(MK)/prologue.mk
-
-MOD:=HAL
-C_FLAGS_$(MOD):=$(addprefix -I, $(d)/inc)
-AS_FLAGS_$(MOD):=$(addprefix -I, $(d)/inc)
-
-SRC_$(d) := $(d)/boot.c \
-			$(d)/intr.c \
-			$(d)/mem.c \
-			$(d)/print.c \
-			$(d)/hal.c
-
-SRCAS_$(d) := $(d)/cpu.asm \
-			  $(d)/intr.asm \
-			  $(d)/io.asm \
-			  $(d)/atomic.asm
-
-SRCIN_$(d) := $(d)/boot.asm.in \
-			  $(d)/mb_hdr.asm.in
-
-#special rules for preprocessed asm files
-$(OUT)/$(d)/mb_hdr.a: $(OUT)/$(d)/mb_hdr.asm
-	$(MKDIR)
-	$(COMPAS)
-
-$(OUT)/$(d)/boot.a: $(OUT)/$(d)/boot.asm
-	$(MKDIR)
-	$(COMPAS)
-
-OBJ := $(OBJ) $(OUT)/$(d)/boot.a $(OUT)/$(d)/mb_hdr.a
-CLEAN := $(CLEAN) $(OUT)/$(d)/boot.a $(OUT)/$(d)/mb_hdr.a
-
-# include this at last
-include $(MK)/stdrules.mk
-
-include $(MK)/epilogue.mk

arch/boot.asm

@@ -1,17 +1,17 @@
 #define ASM_FILE
-#include "mlayout.h"
+#include <arch/mlayout.h>
 #include "multiboot2.h"
 
-%define GET_PADDR(x) ((x) - KERNEL_IMAGE_VADDR)
+%define GET_PADDR(x) ((x) - KERNEL_IMG_VADDR)
 %define GET_PML4(vaddr) (((vaddr) >> 39 ) & 0x1FF)
 %define GET_PDPT(vaddr) (((vaddr) >> 30 ) & 0x1FF)
 
-global arch_main_stub_32
+global arch_init_32
 extern arch_main
 
 section .text
 bits 32
-arch_main_stub_32:
+arch_init_32:
     cli
     cld
     cmp eax, MULTIBOOT2_BOOTLOADER_MAGIC
@@ -34,7 +34,7 @@ arch_main_stub_32:
     mov eax, GET_PADDR(init_pml4)
     mov dword [eax], GET_PADDR(init_pdpt_iden) + 11b ; write the lower bits, higher = 0
     ; point the nth PML4 entry to the kernel pdpt
-    add eax, GET_PML4(KERNEL_IMAGE_VADDR) * 8
+    add eax, GET_PML4(KERNEL_SPACE_VADDR) * 8
     mov dword [eax], GET_PADDR(init_pdpt_kern) + 11b
 
     ; identity map the first 4GB
@@ -50,7 +50,7 @@ arch_main_stub_32:
     ; map the first 1 GB, which contains the kernel, to KERNEL_BASE_VADDR
     mov eax, GET_PADDR(init_pdpt_kern)
     ; extract the PML4 entry
-    add eax, GET_PDPT(KERNEL_IMAGE_VADDR) * 8
+    add eax, GET_PDPT(KERNEL_SPACE_VADDR) * 8
     mov ebx, 10000011b ; R/W + SU + 1G page
     mov dword [eax], ebx
 
@@ -80,7 +80,7 @@ arch_main_stub_32:
     lgdt [GET_PADDR(init_gdt.ptr)]
 
 	; switch to long mode
-    jmp init_gdt.code:GET_PADDR(arch_main_stub_64)
+    jmp init_gdt.code:GET_PADDR(arch_init_64)
 .end:
     hlt
 
@@ -123,7 +123,7 @@ multiboot_info_ptr:
 
 section .text
 bits 64
-arch_main_stub_64:
+arch_init_64:
 	; note that we are in long mode but rip is still lower
 	; switch to high address
 	mov rax, .high
@@ -140,7 +140,7 @@ arch_main_stub_64:
     mov rsp, init_stack
     xor rdi, rdi
     mov edi, dword [multiboot_info_ptr]
-    call hmain
+    call arch_main
 .end:
     hlt
 

arch/cpu.asm

@@ -2,24 +2,24 @@
 ;rax, rdi, rsi, rdx, rcx, r8, r9, r10, r11 are scratch registers.
 ;function parameter: rdi,rsi,rdx,rcx,r8,r9
 
-global hal_flush_gdt
+global arch_flush_gdt
-global hal_flush_tlb
+global arch_flush_tlb
-global hal_flush_idt
+global arch_flush_idt
-global hal_read_idt
+global arch_read_idt
-global hal_read_cr3
+global arch_read_cr3
-global hal_write_cr3
+global arch_write_cr3
-global hal_read_cr8
+global arch_read_cr8
-global hal_write_cr8
+global arch_write_cr8
-global hal_cpuid
+global arch_cpuid
-global hal_halt_cpu
+global arch_halt_cpu
-global hal_read_msr
+global arch_read_msr
-global hal_write_msr
+global arch_write_msr
 
 
 section .text
 bits 64
 
-hal_flush_gdt:
+arch_flush_gdt:
 push rbp
 mov rbp,rsp
 lgdt [rdi]
@@ -45,50 +45,56 @@ pop rbp
 ret
 
 
-hal_flush_tlb:
+arch_flush_tlb:
 mov rax,cr3
 mov cr3,rax
 ret
 
 
-hal_flush_idt:
+arch_flush_idt:
 lidt [rdi]
 ret
 
 ;======================
-global hal_read_idt
+global arch_read_idt
-hal_read_idt:
+arch_read_idt:
 sidt [rdi]
 ret
 
 ;======================
-global hal_read_cr3
+global arch_read_cr3
-hal_read_cr3:
+arch_read_cr3:
 mov rax,cr3
 ret
 
 ;======================
-global hal_write_cr3
+global arch_write_cr3
-hal_write_cr3:
+arch_write_cr3:
 mov cr3,rdi
 ret
 
 ;======================
-global hal_read_cr8
+global arch_read_cr8
-hal_read_cr8:
+arch_read_cr8:
 mov rax,cr8
 ret
 
 ;======================
-global hal_write_cr8
+global arch_write_cr8
-hal_write_cr8:
+arch_write_cr8:
 mov cr8,rdi
 ret
 
+;======================
+global arch_halt
+arch_halt:
+hlt
+
+
 ; ============================
-; extern void KAPI hal_cpuid(uint32* eax, uint32* ebx, uint32* ecx, uint32* edx);
+; extern void KAPI arch_cpuid(uint32* eax, uint32* ebx, uint32* ecx, uint32* edx);
-global hal_cpuid
+global arch_cpuid
-hal_cpuid:
+arch_cpuid:
 push rbp
 mov rbp,rsp
 ; preserve rbx,rcx,rdx
@@ -112,16 +118,16 @@ pop rbp
 ret
 
 ;====================
-global hal_halt_cpu
+global arch_halt_cpu
-hal_halt_cpu:
+arch_halt_cpu:
 .loop:
 hlt
 jmp .loop
 
 ;====================
 ;(uint32 *ecx, uint32* edx, uint32* eax)
-global hal_read_msr
+global arch_read_msr
-hal_read_msr:
+arch_read_msr:
 ; preserve rdx
 push rdx
 mov ecx, dword [rdi]
@@ -134,8 +140,8 @@ ret
 
 ;====================
 ;(uint32 *ecx, uint32* edx, uint32* eax)
-global hal_write_msr
+global arch_write_msr
-hal_write_msr:
+arch_write_msr:
 mov ecx, dword [rdi]
 mov eax, dword [rdx]
 mov edx, dword [rsi]
@@ -143,14 +149,14 @@ wrmsr
 ret
 
 
-global hal_write_port_16
+global arch_write_port_16
-global hal_write_port_32
+global arch_write_port_32
-global hal_write_port_8
+global arch_write_port_8
-global hal_read_port_8
+global arch_read_port_8
-global hal_read_port_16
+global arch_read_port_16
-global hal_read_port_32
+global arch_read_port_32
 
-hal_write_port_32:
+arch_write_port_32:
 mov rdx,rdi
 mov rax,rsi
 out dx,eax
@@ -160,7 +166,7 @@ nop
 ret
 
 
-hal_write_port_16:
+arch_write_port_16:
 mov rdx,rdi
 mov rax,rsi
 out dx,ax
@@ -170,7 +176,7 @@ nop
 ret
 
 
-hal_write_port_8:
+arch_write_port_8:
 mov rdx,rdi
 mov rax,rsi
 out dx,al
@@ -180,7 +186,7 @@ nop
 ret
 
 
-hal_read_port_8:
+arch_read_port_8:
 mov rdx,rdi
 xor rax,rax
 in al,dx
@@ -189,7 +195,7 @@ nop
 nop
 ret
 
-hal_read_port_16:
+arch_read_port_16:
 mov rdx,rdi
 xor rax,rax
 in ax,dx
@@ -199,7 +205,7 @@ nop
 ret
 
 
-hal_read_port_32:
+arch_read_port_32:
 mov rdx,rdi
 xor rax,rax
 in eax,dx

arch/cpu.c

@@ -1,5 +1,5 @@
 #include <arch/cpu.h>
-#include <ke/cdef.h>
+#include <kern/cdef.h>
 
 #define GDT_ENTRY_SIZE 8
 #define GDT_ENTRY_NUM 9
@@ -53,31 +53,31 @@ write_segment_descriptor(void *const gdt, uint32 const base, uint32 const limit,
 
 void hal_init_gdt(void)
 {
-    uint32 coreid = hal_get_core_id();
+    uint32 coreid = 0;
     // get gdt ready
-    hal_write_segment_descriptor((void *) &_gdts[coreid][0], 0, 0, 0);
+    write_segment_descriptor((void *) &_gdts[coreid][0], 0, 0, 0);
-    hal_write_segment_descriptor((void *) &_gdts[coreid][8], 0, 0,
+    write_segment_descriptor((void *) &_gdts[coreid][8], 0, 0,
                                  SEG_DPL_0 | SEG_CODE_DATA | SEG_PRESENT | SEG_LONG | SEG_TYPE_CODE_X);
-    hal_write_segment_descriptor((void *) &_gdts[coreid][16], 0, 0,
+    write_segment_descriptor((void *) &_gdts[coreid][16], 0, 0,
                                  SEG_DPL_0 | SEG_CODE_DATA | SEG_PRESENT | SEG_LONG | SEG_TYPE_DATA_RW);
-    hal_write_segment_descriptor((void *) &_gdts[coreid][24], 0, 0,
+    write_segment_descriptor((void *) &_gdts[coreid][24], 0, 0,
                                  SEG_DPL_3 | SEG_CODE_DATA | SEG_PRESENT | SEG_LONG | SEG_TYPE_CODE_X);
-    hal_write_segment_descriptor((void *) &_gdts[coreid][32], 0, 0,
+    write_segment_descriptor((void *) &_gdts[coreid][32], 0, 0,
                                  SEG_DPL_3 | SEG_CODE_DATA | SEG_PRESENT | SEG_LONG | SEG_TYPE_DATA_RW);
 
-    hal_write_segment_descriptor((void *) &_gdts[coreid][40], 0, 0xFFFFF,
+    write_segment_descriptor((void *) &_gdts[coreid][40], 0, 0xFFFFF,
                                  SEG_DPL_0 | SEG_GRANULARITY | SEG_CODE_DATA | SEG_PRESENT | SEG_32_BITS |
                                  SEG_TYPE_CODE_X);
-    hal_write_segment_descriptor((void *) &_gdts[coreid][48], 0, 0xFFFFF,
+    write_segment_descriptor((void *) &_gdts[coreid][48], 0, 0xFFFFF,
                                  SEG_DPL_0 | SEG_GRANULARITY | SEG_CODE_DATA | SEG_PRESENT | SEG_32_BITS |
                                  SEG_TYPE_DATA_RW);
-    hal_write_segment_descriptor((void *) &_gdts[coreid][56], 0, 0xFFFFF,
+    write_segment_descriptor((void *) &_gdts[coreid][56], 0, 0xFFFFF,
                                  SEG_DPL_3 | SEG_GRANULARITY | SEG_CODE_DATA | SEG_PRESENT | SEG_32_BITS |
                                  SEG_TYPE_CODE_X);
-    hal_write_segment_descriptor((void *) &_gdts[coreid][64], 0, 0xFFFFF,
+    write_segment_descriptor((void *) &_gdts[coreid][64], 0, 0xFFFFF,
                                  SEG_DPL_3 | SEG_GRANULARITY | SEG_CODE_DATA | SEG_PRESENT | SEG_32_BITS |
                                  SEG_TYPE_DATA_RW);
     _gdt_ptrs[coreid].base = (uint64) &_gdts[coreid];
     _gdt_ptrs[coreid].limit = GDT_ENTRY_NUM * GDT_ENTRY_SIZE - 1;
-    hal_flush_gdt(&_gdt_ptrs[coreid], seg_selector(1, 0), seg_selector(2, 0));
+    arch_flush_gdt(&_gdt_ptrs[coreid], seg_selector(1, 0), seg_selector(2, 0));
 }

arch/init.c

@@ -1,14 +1,20 @@
-#include <ke/cdef.h>
+#include <kern/cdef.h>
 #include <arch/print.h>
 
 // private headers
 #include "multiboot2.h"
-
+/**
-void arch_init(void* mb_info)
+ * What the heck was that?
+ * @param mb_info
+ */
+void arch_main(void* mb_info)
 {
+    UNREFERENCED(mb_info);
     arch_print_init();
 
-    if (mb_info == NULL)
+    arch_printf("In arch stuff...\n");
+    
+/*    if (mb_info == NULL)
     {
         goto err;
     }
@@ -60,5 +66,5 @@ void arch_init(void* mb_info)
 
     kmain(boot_info);
 err:
-    hal_halt_cpu();
+    hal_halt_cpu(); */
 }

arch/intr.asm

@@ -1,15 +1,3 @@
-global hal_disable_interrupt
-global hal_enable_interrupt
-
-hal_disable_interrupt:
-cli
-ret
-
-hal_enable_interrupt:
-sti
-ret
-
-
 %macro PUSHAQ 0
    push rax      ;save current rax
    push rbx      ;save current rbx
@@ -37,7 +25,7 @@ ret
     pop r10         ;restore current r10
     pop r9         ;restore current r9
     pop r8         ;restore current r8
-    pop rsi         ;restore current rsi
+    pop rsi         ;restore current rsix
     pop rdi         ;restore current rdi
     pop rbp         ;restore current rbp
     pop rdx         ;restore current rdx
@@ -85,6 +73,7 @@ hal_interrupt_handler_%1:
 ; +0  RBP
 push rbp
 mov rbp,rsp
+
 PUSHAQ
 cld
 mov rdi, %1 ; INT VEC #

arch/intr.c

@@ -1,33 +1,32 @@
-
+#include <arch/cpu.h>
-#include "cpu.h"
+#include <arch/intr.h>
-#include "hdef.h"
+#include <arch/mem.h>
-#include "hal.h"
+#include <arch/print.h>
-#include "intr.h"
-#include "mem.h"
-#include "print.h"
-#include "io.h"
 
 static uint8 cpu_idts[HAL_CORE_COUNT][IDT_ENTRY_NUM * IDT_ENTRY_SIZE];
 static struct hal_idt_ptr cpu_idt_ptrs[HAL_CORE_COUNT];
 
-static k_exc_dispatcher k_exc_disps[HAL_CORE_COUNT];
+static void* k_intr_disps[HAL_CORE_COUNT];
-static k_intr_dispatcher k_intr_disps[HAL_CORE_COUNT];
 
 uint32
-impl_hal_set_irql(uint32 irql)
+arch_raise_irql(uint32 irql)
 {
-    UNREFERENCED(irql)
+    UNREFERENCED(irql);
-    hal_halt_cpu();
     return 0;
 }
 
 uint32
-impl_hal_get_irql(void)
+arch_lower_irql(uint32 irql)
 {
-    hal_halt_cpu();
+    UNREFERENCED(irql);
     return 0;
 }
 
+uint32
+arch_get_irql(void)
+{
+    return 0;
+}
 
 void
 hal_write_gate(void *const gate, uint64 const offset, uint32 const selector, uint32 const attr)
@@ -50,335 +49,28 @@ hal_write_gate(void *const gate, uint64 const offset, uint32 const selector, uin
     ((uint8 *) gate)[15] = 0;
 }
 
-void
+void KABI
-hal_set_interrupt_handler(uint64 index, void (*handler)(void))
-{
-    if (index < IDT_ENTRY_NUM)
-    {
-        hal_write_gate(cpu_idts[hal_get_core_id()] + 16 * index, (uintptr) handler, seg_selector(1, 0),
-                       GATE_DPL_0 | GATE_PRESENT | GATE_TYPE_INTERRUPT);
-    }
-}
-
-void
-impl_hal_issue_intr(uint32 target_core, uint32 vector)
-{
-    UNREFERENCED(target_core);
-    UNREFERENCED(vector);
-    hal_halt_cpu();
-}
-
-void
-impl_hal_set_intr_dispatcher(k_intr_dispatcher handler)
-{
-    k_intr_disps[hal_get_core_id()] = handler;
-}
-
-void
-impl_hal_set_exc_dispatcher(k_exc_dispatcher handler)
-{
-    k_exc_disps[hal_get_core_id()] = handler;
-}
-
-
-void HABI
 hal_interrupt_dispatcher(uint64 int_vec, struct interrupt_context *context)
 {
-    uint32 coreid = hal_get_core_id();
+    uint32 coreid = 0;
     if (k_intr_disps[coreid] == NULL)
     {
-        hal_printf("Unhandled interrupt %d at 0x%X.\n", int_vec, context->rip);
+        arch_printf("Unhandled interrupt %d at 0x%X.\n", int_vec, context->rip);
     }
-    else
+    /*else
     {
         k_intr_disps[coreid]((uint32) int_vec, context);
-    }
+    }*/
-}
-
-void HABI
-hal_exception_dispatcher(uint64 exc_vec, struct interrupt_context *context, uint32 errorcode)
-{
-    uint32 coreid = hal_get_core_id();
-    if (k_exc_disps[coreid] == NULL)
-    {
-        hal_printf("Unhandled exception %d at 0x%X.\n", exc_vec, context->rip);
-    }
-    else
-    {
-        k_exc_disps[coreid]((uint32)exc_vec, context->rip, errorcode, context);
-    }
 }
 
 static void
 populate_idt(void)
 {
-    hal_set_interrupt_handler(0, hal_interrupt_handler_0);
+    return;
-    hal_set_interrupt_handler(1, hal_interrupt_handler_1);
-    hal_set_interrupt_handler(2, hal_interrupt_handler_2);
-    hal_set_interrupt_handler(3, hal_interrupt_handler_3);
-    hal_set_interrupt_handler(4, hal_interrupt_handler_4);
-    hal_set_interrupt_handler(5, hal_interrupt_handler_5);
-    hal_set_interrupt_handler(6, hal_interrupt_handler_6);
-    hal_set_interrupt_handler(7, hal_interrupt_handler_7);
-    hal_set_interrupt_handler(8, hal_interrupt_handler_8);
-    hal_set_interrupt_handler(9, hal_interrupt_handler_9);
-    hal_set_interrupt_handler(10, hal_interrupt_handler_10);
-    hal_set_interrupt_handler(11, hal_interrupt_handler_11);
-    hal_set_interrupt_handler(12, hal_interrupt_handler_12);
-    hal_set_interrupt_handler(13, hal_interrupt_handler_13);
-    hal_set_interrupt_handler(14, hal_interrupt_handler_14);
-    hal_set_interrupt_handler(15, hal_interrupt_handler_15);
-    hal_set_interrupt_handler(16, hal_interrupt_handler_16);
-    hal_set_interrupt_handler(17, hal_interrupt_handler_17);
-    hal_set_interrupt_handler(18, hal_interrupt_handler_18);
-    hal_set_interrupt_handler(19, hal_interrupt_handler_19);
-    hal_set_interrupt_handler(20, hal_interrupt_handler_20);
-    hal_set_interrupt_handler(21, hal_interrupt_handler_21);
-    hal_set_interrupt_handler(22, hal_interrupt_handler_22);
-    hal_set_interrupt_handler(23, hal_interrupt_handler_23);
-    hal_set_interrupt_handler(24, hal_interrupt_handler_24);
-    hal_set_interrupt_handler(25, hal_interrupt_handler_25);
-    hal_set_interrupt_handler(26, hal_interrupt_handler_26);
-    hal_set_interrupt_handler(27, hal_interrupt_handler_27);
-    hal_set_interrupt_handler(28, hal_interrupt_handler_28);
-    hal_set_interrupt_handler(29, hal_interrupt_handler_29);
-    hal_set_interrupt_handler(30, hal_interrupt_handler_30);
-    hal_set_interrupt_handler(31, hal_interrupt_handler_31);
-    hal_set_interrupt_handler(32, hal_interrupt_handler_32);
-    hal_set_interrupt_handler(33, hal_interrupt_handler_33);
-    hal_set_interrupt_handler(34, hal_interrupt_handler_34);
-    hal_set_interrupt_handler(35, hal_interrupt_handler_35);
-    hal_set_interrupt_handler(36, hal_interrupt_handler_36);
-    hal_set_interrupt_handler(37, hal_interrupt_handler_37);
-    hal_set_interrupt_handler(38, hal_interrupt_handler_38);
-    hal_set_interrupt_handler(39, hal_interrupt_handler_39);
-    hal_set_interrupt_handler(40, hal_interrupt_handler_40);
-    hal_set_interrupt_handler(41, hal_interrupt_handler_41);
-    hal_set_interrupt_handler(42, hal_interrupt_handler_42);
-    hal_set_interrupt_handler(43, hal_interrupt_handler_43);
-    hal_set_interrupt_handler(44, hal_interrupt_handler_44);
-    hal_set_interrupt_handler(45, hal_interrupt_handler_45);
-    hal_set_interrupt_handler(46, hal_interrupt_handler_46);
-    hal_set_interrupt_handler(47, hal_interrupt_handler_47);
-    hal_set_interrupt_handler(48, hal_interrupt_handler_48);
-    hal_set_interrupt_handler(49, hal_interrupt_handler_49);
-    hal_set_interrupt_handler(50, hal_interrupt_handler_50);
-    hal_set_interrupt_handler(51, hal_interrupt_handler_51);
-    hal_set_interrupt_handler(52, hal_interrupt_handler_52);
-    hal_set_interrupt_handler(53, hal_interrupt_handler_53);
-    hal_set_interrupt_handler(54, hal_interrupt_handler_54);
-    hal_set_interrupt_handler(55, hal_interrupt_handler_55);
-    hal_set_interrupt_handler(56, hal_interrupt_handler_56);
-    hal_set_interrupt_handler(57, hal_interrupt_handler_57);
-    hal_set_interrupt_handler(58, hal_interrupt_handler_58);
-    hal_set_interrupt_handler(59, hal_interrupt_handler_59);
-    hal_set_interrupt_handler(60, hal_interrupt_handler_60);
-    hal_set_interrupt_handler(61, hal_interrupt_handler_61);
-    hal_set_interrupt_handler(62, hal_interrupt_handler_62);
-    hal_set_interrupt_handler(63, hal_interrupt_handler_63);
-    hal_set_interrupt_handler(64, hal_interrupt_handler_64);
-    hal_set_interrupt_handler(65, hal_interrupt_handler_65);
-    hal_set_interrupt_handler(66, hal_interrupt_handler_66);
-    hal_set_interrupt_handler(67, hal_interrupt_handler_67);
-    hal_set_interrupt_handler(68, hal_interrupt_handler_68);
-    hal_set_interrupt_handler(69, hal_interrupt_handler_69);
-    hal_set_interrupt_handler(70, hal_interrupt_handler_70);
-    hal_set_interrupt_handler(71, hal_interrupt_handler_71);
-    hal_set_interrupt_handler(72, hal_interrupt_handler_72);
-    hal_set_interrupt_handler(73, hal_interrupt_handler_73);
-    hal_set_interrupt_handler(74, hal_interrupt_handler_74);
-    hal_set_interrupt_handler(75, hal_interrupt_handler_75);
-    hal_set_interrupt_handler(76, hal_interrupt_handler_76);
-    hal_set_interrupt_handler(77, hal_interrupt_handler_77);
-    hal_set_interrupt_handler(78, hal_interrupt_handler_78);
-    hal_set_interrupt_handler(79, hal_interrupt_handler_79);
-    hal_set_interrupt_handler(80, hal_interrupt_handler_80);
-    hal_set_interrupt_handler(81, hal_interrupt_handler_81);
-    hal_set_interrupt_handler(82, hal_interrupt_handler_82);
-    hal_set_interrupt_handler(83, hal_interrupt_handler_83);
-    hal_set_interrupt_handler(84, hal_interrupt_handler_84);
-    hal_set_interrupt_handler(85, hal_interrupt_handler_85);
-    hal_set_interrupt_handler(86, hal_interrupt_handler_86);
-    hal_set_interrupt_handler(87, hal_interrupt_handler_87);
-    hal_set_interrupt_handler(88, hal_interrupt_handler_88);
-    hal_set_interrupt_handler(89, hal_interrupt_handler_89);
-    hal_set_interrupt_handler(90, hal_interrupt_handler_90);
-    hal_set_interrupt_handler(91, hal_interrupt_handler_91);
-    hal_set_interrupt_handler(92, hal_interrupt_handler_92);
-    hal_set_interrupt_handler(93, hal_interrupt_handler_93);
-    hal_set_interrupt_handler(94, hal_interrupt_handler_94);
-    hal_set_interrupt_handler(95, hal_interrupt_handler_95);
-    hal_set_interrupt_handler(96, hal_interrupt_handler_96);
-    hal_set_interrupt_handler(97, hal_interrupt_handler_97);
-    hal_set_interrupt_handler(98, hal_interrupt_handler_98);
-    hal_set_interrupt_handler(99, hal_interrupt_handler_99);
-    hal_set_interrupt_handler(100, hal_interrupt_handler_100);
-    hal_set_interrupt_handler(101, hal_interrupt_handler_101);
-    hal_set_interrupt_handler(102, hal_interrupt_handler_102);
-    hal_set_interrupt_handler(103, hal_interrupt_handler_103);
-    hal_set_interrupt_handler(104, hal_interrupt_handler_104);
-    hal_set_interrupt_handler(105, hal_interrupt_handler_105);
-    hal_set_interrupt_handler(106, hal_interrupt_handler_106);
-    hal_set_interrupt_handler(107, hal_interrupt_handler_107);
-    hal_set_interrupt_handler(108, hal_interrupt_handler_108);
-    hal_set_interrupt_handler(109, hal_interrupt_handler_109);
-    hal_set_interrupt_handler(110, hal_interrupt_handler_110);
-    hal_set_interrupt_handler(111, hal_interrupt_handler_111);
-    hal_set_interrupt_handler(112, hal_interrupt_handler_112);
-    hal_set_interrupt_handler(113, hal_interrupt_handler_113);
-    hal_set_interrupt_handler(114, hal_interrupt_handler_114);
-    hal_set_interrupt_handler(115, hal_interrupt_handler_115);
-    hal_set_interrupt_handler(116, hal_interrupt_handler_116);
-    hal_set_interrupt_handler(117, hal_interrupt_handler_117);
-    hal_set_interrupt_handler(118, hal_interrupt_handler_118);
-    hal_set_interrupt_handler(119, hal_interrupt_handler_119);
-    hal_set_interrupt_handler(120, hal_interrupt_handler_120);
-    hal_set_interrupt_handler(121, hal_interrupt_handler_121);
-    hal_set_interrupt_handler(122, hal_interrupt_handler_122);
-    hal_set_interrupt_handler(123, hal_interrupt_handler_123);
-    hal_set_interrupt_handler(124, hal_interrupt_handler_124);
-    hal_set_interrupt_handler(125, hal_interrupt_handler_125);
-    hal_set_interrupt_handler(126, hal_interrupt_handler_126);
-    hal_set_interrupt_handler(127, hal_interrupt_handler_127);
-    hal_set_interrupt_handler(128, hal_interrupt_handler_128);
-    hal_set_interrupt_handler(129, hal_interrupt_handler_129);
-    hal_set_interrupt_handler(130, hal_interrupt_handler_130);
-    hal_set_interrupt_handler(131, hal_interrupt_handler_131);
-    hal_set_interrupt_handler(132, hal_interrupt_handler_132);
-    hal_set_interrupt_handler(133, hal_interrupt_handler_133);
-    hal_set_interrupt_handler(134, hal_interrupt_handler_134);
-    hal_set_interrupt_handler(135, hal_interrupt_handler_135);
-    hal_set_interrupt_handler(136, hal_interrupt_handler_136);
-    hal_set_interrupt_handler(137, hal_interrupt_handler_137);
-    hal_set_interrupt_handler(138, hal_interrupt_handler_138);
-    hal_set_interrupt_handler(139, hal_interrupt_handler_139);
-    hal_set_interrupt_handler(140, hal_interrupt_handler_140);
-    hal_set_interrupt_handler(141, hal_interrupt_handler_141);
-    hal_set_interrupt_handler(142, hal_interrupt_handler_142);
-    hal_set_interrupt_handler(143, hal_interrupt_handler_143);
-    hal_set_interrupt_handler(144, hal_interrupt_handler_144);
-    hal_set_interrupt_handler(145, hal_interrupt_handler_145);
-    hal_set_interrupt_handler(146, hal_interrupt_handler_146);
-    hal_set_interrupt_handler(147, hal_interrupt_handler_147);
-    hal_set_interrupt_handler(148, hal_interrupt_handler_148);
-    hal_set_interrupt_handler(149, hal_interrupt_handler_149);
-    hal_set_interrupt_handler(150, hal_interrupt_handler_150);
-    hal_set_interrupt_handler(151, hal_interrupt_handler_151);
-    hal_set_interrupt_handler(152, hal_interrupt_handler_152);
-    hal_set_interrupt_handler(153, hal_interrupt_handler_153);
-    hal_set_interrupt_handler(154, hal_interrupt_handler_154);
-    hal_set_interrupt_handler(155, hal_interrupt_handler_155);
-    hal_set_interrupt_handler(156, hal_interrupt_handler_156);
-    hal_set_interrupt_handler(157, hal_interrupt_handler_157);
-    hal_set_interrupt_handler(158, hal_interrupt_handler_158);
-    hal_set_interrupt_handler(159, hal_interrupt_handler_159);
-    hal_set_interrupt_handler(160, hal_interrupt_handler_160);
-    hal_set_interrupt_handler(161, hal_interrupt_handler_161);
-    hal_set_interrupt_handler(162, hal_interrupt_handler_162);
-    hal_set_interrupt_handler(163, hal_interrupt_handler_163);
-    hal_set_interrupt_handler(164, hal_interrupt_handler_164);
-    hal_set_interrupt_handler(165, hal_interrupt_handler_165);
-    hal_set_interrupt_handler(166, hal_interrupt_handler_166);
-    hal_set_interrupt_handler(167, hal_interrupt_handler_167);
-    hal_set_interrupt_handler(168, hal_interrupt_handler_168);
-    hal_set_interrupt_handler(169, hal_interrupt_handler_169);
-    hal_set_interrupt_handler(170, hal_interrupt_handler_170);
-    hal_set_interrupt_handler(171, hal_interrupt_handler_171);
-    hal_set_interrupt_handler(172, hal_interrupt_handler_172);
-    hal_set_interrupt_handler(173, hal_interrupt_handler_173);
-    hal_set_interrupt_handler(174, hal_interrupt_handler_174);
-    hal_set_interrupt_handler(175, hal_interrupt_handler_175);
-    hal_set_interrupt_handler(176, hal_interrupt_handler_176);
-    hal_set_interrupt_handler(177, hal_interrupt_handler_177);
-    hal_set_interrupt_handler(178, hal_interrupt_handler_178);
-    hal_set_interrupt_handler(179, hal_interrupt_handler_179);
-    hal_set_interrupt_handler(180, hal_interrupt_handler_180);
-    hal_set_interrupt_handler(181, hal_interrupt_handler_181);
-    hal_set_interrupt_handler(182, hal_interrupt_handler_182);
-    hal_set_interrupt_handler(183, hal_interrupt_handler_183);
-    hal_set_interrupt_handler(184, hal_interrupt_handler_184);
-    hal_set_interrupt_handler(185, hal_interrupt_handler_185);
-    hal_set_interrupt_handler(186, hal_interrupt_handler_186);
-    hal_set_interrupt_handler(187, hal_interrupt_handler_187);
-    hal_set_interrupt_handler(188, hal_interrupt_handler_188);
-    hal_set_interrupt_handler(189, hal_interrupt_handler_189);
-    hal_set_interrupt_handler(190, hal_interrupt_handler_190);
-    hal_set_interrupt_handler(191, hal_interrupt_handler_191);
-    hal_set_interrupt_handler(192, hal_interrupt_handler_192);
-    hal_set_interrupt_handler(193, hal_interrupt_handler_193);
-    hal_set_interrupt_handler(194, hal_interrupt_handler_194);
-    hal_set_interrupt_handler(195, hal_interrupt_handler_195);
-    hal_set_interrupt_handler(196, hal_interrupt_handler_196);
-    hal_set_interrupt_handler(197, hal_interrupt_handler_197);
-    hal_set_interrupt_handler(198, hal_interrupt_handler_198);
-    hal_set_interrupt_handler(199, hal_interrupt_handler_199);
-    hal_set_interrupt_handler(200, hal_interrupt_handler_200);
-    hal_set_interrupt_handler(201, hal_interrupt_handler_201);
-    hal_set_interrupt_handler(202, hal_interrupt_handler_202);
-    hal_set_interrupt_handler(203, hal_interrupt_handler_203);
-    hal_set_interrupt_handler(204, hal_interrupt_handler_204);
-    hal_set_interrupt_handler(205, hal_interrupt_handler_205);
-    hal_set_interrupt_handler(206, hal_interrupt_handler_206);
-    hal_set_interrupt_handler(207, hal_interrupt_handler_207);
-    hal_set_interrupt_handler(208, hal_interrupt_handler_208);
-    hal_set_interrupt_handler(209, hal_interrupt_handler_209);
-    hal_set_interrupt_handler(210, hal_interrupt_handler_210);
-    hal_set_interrupt_handler(211, hal_interrupt_handler_211);
-    hal_set_interrupt_handler(212, hal_interrupt_handler_212);
-    hal_set_interrupt_handler(213, hal_interrupt_handler_213);
-    hal_set_interrupt_handler(214, hal_interrupt_handler_214);
-    hal_set_interrupt_handler(215, hal_interrupt_handler_215);
-    hal_set_interrupt_handler(216, hal_interrupt_handler_216);
-    hal_set_interrupt_handler(217, hal_interrupt_handler_217);
-    hal_set_interrupt_handler(218, hal_interrupt_handler_218);
-    hal_set_interrupt_handler(219, hal_interrupt_handler_219);
-    hal_set_interrupt_handler(220, hal_interrupt_handler_220);
-    hal_set_interrupt_handler(221, hal_interrupt_handler_221);
-    hal_set_interrupt_handler(222, hal_interrupt_handler_222);
-    hal_set_interrupt_handler(223, hal_interrupt_handler_223);
-    hal_set_interrupt_handler(224, hal_interrupt_handler_224);
-    hal_set_interrupt_handler(225, hal_interrupt_handler_225);
-    hal_set_interrupt_handler(226, hal_interrupt_handler_226);
-    hal_set_interrupt_handler(227, hal_interrupt_handler_227);
-    hal_set_interrupt_handler(228, hal_interrupt_handler_228);
-    hal_set_interrupt_handler(229, hal_interrupt_handler_229);
-    hal_set_interrupt_handler(230, hal_interrupt_handler_230);
-    hal_set_interrupt_handler(231, hal_interrupt_handler_231);
-    hal_set_interrupt_handler(232, hal_interrupt_handler_232);
-    hal_set_interrupt_handler(233, hal_interrupt_handler_233);
-    hal_set_interrupt_handler(234, hal_interrupt_handler_234);
-    hal_set_interrupt_handler(235, hal_interrupt_handler_235);
-    hal_set_interrupt_handler(236, hal_interrupt_handler_236);
-    hal_set_interrupt_handler(237, hal_interrupt_handler_237);
-    hal_set_interrupt_handler(238, hal_interrupt_handler_238);
-    hal_set_interrupt_handler(239, hal_interrupt_handler_239);
-    hal_set_interrupt_handler(240, hal_interrupt_handler_240);
-    hal_set_interrupt_handler(241, hal_interrupt_handler_241);
-    hal_set_interrupt_handler(242, hal_interrupt_handler_242);
-    hal_set_interrupt_handler(243, hal_interrupt_handler_243);
-    hal_set_interrupt_handler(244, hal_interrupt_handler_244);
-    hal_set_interrupt_handler(245, hal_interrupt_handler_245);
-    hal_set_interrupt_handler(246, hal_interrupt_handler_246);
-    hal_set_interrupt_handler(247, hal_interrupt_handler_247);
-    hal_set_interrupt_handler(248, hal_interrupt_handler_248);
-    hal_set_interrupt_handler(249, hal_interrupt_handler_249);
-    hal_set_interrupt_handler(250, hal_interrupt_handler_250);
-    hal_set_interrupt_handler(251, hal_interrupt_handler_251);
-    hal_set_interrupt_handler(252, hal_interrupt_handler_252);
-    hal_set_interrupt_handler(253, hal_interrupt_handler_253);
-    hal_set_interrupt_handler(254, hal_interrupt_handler_254);
-    hal_set_interrupt_handler(255, hal_interrupt_handler_255);
 }
 
-uint32
+kstatus
-impl_hal_get_core_id(void)
+arch_intr_init(void)
-{
-    // TODO
-    return 0;
-}
-
-int32
-hal_interrupt_init(void)
 {
     uint32 coreid;
     uint32 eax;
@@ -388,55 +80,44 @@ hal_interrupt_init(void)
 
     // detect APIC first
     eax = 1;
-    hal_cpuid(&eax, &ebx, &ecx, &edx);
+    arch_cpuid(&eax, &ebx, &ecx, &edx);
     if (!(edx & (1 << 9)))
     {
-        hal_printf("ERROR: APIC is not present.\n");
+        arch_printf("ERROR: APIC is not present.\n");
         return 1;
     }
 
-    coreid = hal_get_core_id();
+    coreid = 0;
 
     // get idt ptr ready
     cpu_idt_ptrs[coreid].base = (uint64) &cpu_idts[coreid];
     cpu_idt_ptrs[coreid].limit = IDT_ENTRY_NUM * IDT_ENTRY_SIZE - 1;
 
     // clear dispatch table
-    k_exc_disps[coreid] = NULL;
     k_intr_disps[coreid] = NULL;
 
     // hook asm interrupt handlers
     populate_idt();
 
-    hal_flush_idt(&cpu_idt_ptrs[coreid]);
+    arch_flush_idt(&cpu_idt_ptrs[coreid]);
 
     // disable PIC
-    hal_write_port_8(0xa1, 0xff);
+    arch_write_port_8(0xa1, 0xff);
-    hal_write_port_8(0x21, 0xff);
+    arch_write_port_8(0x21, 0xff);
 
     uint64 apic_base_reg = 0;
     uint64 apic_base = 0;
-    ecx = MSR_IA32_APIC_BASE;
+    ecx = 0;
-    hal_read_msr(&ecx, &edx, &eax);
+    arch_read_msr(&ecx, &edx, &eax);
     apic_base_reg = ((uint64) edx << 32) + (uint64) eax;
     apic_base = apic_base_reg & bit_field_mask(12, 35);
     UNREFERENCED(apic_base);
 
-    //hal_printf("APIC Base: 0x%X\n", apic_base);
-    //hal_printf("APIC Enabled: %s\n", apic_base_reg & bit_mask_64(11) ? "Yes" : "No");
-    //hal_printf("BSP: %s\n", apic_base_reg & bit_mask_64(8) ? "Yes" : "No");
-    //hal_printf("APIC Spour: 0x%X\n", *(uint32 *) ((char *) apic_base + APIC_SPURIOUS_INT_VEC_REG_OFFSET));
 
     // hardware enable APIC
-    ecx = MSR_IA32_APIC_BASE;
+    ecx = 0;
     eax = (uint32) ((apic_base_reg & bit_field_mask(0, 31)) | bit_mask(11));
-    hal_write_msr(&ecx, &edx, &eax);
+    arch_write_msr(&ecx, &edx, &eax);
-
-    // software enable APIC
-    // hal_write_mem_32((char *) apic_base + APIC_SPURIOUS_INT_VEC_REG_OFFSET, *(uint32 *) (apic_base + APIC_SPURIOUS_INT_VEC_REG_OFFSET) | (uint32)bit_mask(8));
-
-//    hal_issue_interrupt(1, 255);
-//    hal_enable_interrupt();
 
     return 0;
 }

arch/mb_hdr.asm

@@ -1,6 +1,6 @@
 #define ASM_FILE
 #include "multiboot2.h"
-#include "mlayout.h"
+#include <arch/mlayout.h>
 
 extern hmain
 global hal_main_32

arch/mem.c

@@ -1,5 +1,5 @@
 
-#include <ke/cdef.h>
+#include <kern/cdef.h>
 #include <arch/cpu.h>
 #include <arch/mem.h>
 #include <arch/intr.h>
@@ -69,7 +69,7 @@ arch_write_page_tbl(void *base, uintptr pdpt_addr, uint64 attr)
 
 
 void*
-arch_pmap_map(phys_addr paddr, usize size)
+arch_pmap_map(uintptr paddr, usize size)
 {
     UNREFERENCED(size);
     return (void*)(paddr + KERNEL_PMAP_VADDR);

arch/print.c

@@ -1,9 +1,9 @@
-#include <ke/cdef.h>
+#include <kern/cdef.h>
 #include <arch/cpu.h>
 #include <arch/mem.h>
 #include <arch/print.h>
-#include <ke/clib.h>
+#include <kern/clib.h>
-#include <ke/spin_lock.h>
+#include <kern/spin_lock.h>
 
 #define CALC_ROW(pos) ((pos) / 80)
 #define CALC_POS(row, col) ((row) * 80 + (col))
@@ -19,7 +19,7 @@ arch_print_init(void)
     // 0 here since it doesn't matter direct mapped
     base = arch_pmap_map(FB_PADDR, 0);
     text_pos = 0;
-    ke_spin_init(&print_lock);
+    spin_init(&print_lock);
 }
 
 static void
@@ -149,8 +149,8 @@ arch_cls(void)
     mem_set(base, 0, 25 * 80 * 2);
 }
 
-static void
+void
-_vprintf(char const *format, va_list args)
+arch_vprintf(char const *format, va_list args)
 {
     char buf[2];
     int64 d;
@@ -213,6 +213,6 @@ arch_printf(char const *format, ...)
 {
     va_list args;
     va_start(args, format);
-    _vprintf(format, args);
+    arch_vprintf(format, args);
     va_end(args);
 }

bootstrap_deb.sh

@@ -1,7 +0,0 @@
-#!/bin/bash
-# Bootstrap debian 9 + clang-6.0 backport environment
-# Personal use only
-export CC_ENV=clang-6.0
-export LD_ENV=lld-6.0
-export DAS_ENV=llvm-objdump-6.0
-export AS_ENV=nasm

gdbq

@@ -1,4 +0,0 @@
-file out/secxkrnl.elf
-set arch i386:x86-64
-target remote localhost:1234
-break hmain

gdbw

@@ -1,3 +0,0 @@
-disconnect
-set arch i386:x86-64:intel
-target remote localhost:1234

inc/arch/cpu.h

@@ -19,40 +19,39 @@ struct PRAGMA_PACKED hal_idt_ptr
 /**
  * ASM declaration
  */
+void KABI arch_cpuid(uint32 *eax, uint32 *ebx, uint32 *ecx, uint32 *edx);
 
-void KABI hal_cpuid(uint32 *eax, uint32 *ebx, uint32 *ecx, uint32 *edx);
+void KABI arch_halt(void);
 
-void KABI hal_halt_cpu(void);
+void KABI arch_flush_gdt(struct hal_gdt_ptr *gdt_ptr, uint64 code_slct, uint64 data_slct);
 
-void KABI hal_flush_gdt(struct hal_gdt_ptr *gdt_ptr, uint64 code_slct, uint64 data_slct);
+void KABI arch_flush_tlb(void);
 
-void KABI hal_flush_tlb(void);
+void KABI arch_flush_idt(struct hal_idt_ptr *idt_ptr);
 
-void KABI hal_flush_idt(struct hal_idt_ptr *idt_ptr);
+void KABI arch_read_idt(struct hal_idt_ptr **idt_ptr);
 
-void KABI hal_read_idt(struct hal_idt_ptr **idt_ptr);
+void KABI arch_read_msr(uint32 *ecx, uint32 *edx, uint32 *eax);
 
-void KABI hal_read_msr(uint32 *ecx, uint32 *edx, uint32 *eax);
+void KABI arch_write_msr(uint32 *ecx, uint32 *edx, uint32 *eax);
 
-void KABI hal_write_msr(uint32 *ecx, uint32 *edx, uint32 *eax);
+void KABI arch_write_cr3(uint64 base);
 
-void KABI hal_write_cr3(uint64 base);
+uint64 KABI arch_read_cr3(void);
 
-uint64 KABI hal_read_cr3(void);
+void KABI arch_write_cr8(uint64 pri);
 
-void KABI hal_write_cr8(uint64 pri);
+uint64 KABI arch_read_cr8(void);
 
-uint64 KABI hal_read_cr8(void);
+int8 KABI arch_read_port_8(uint16 port);
 
-int8 HABI hal_read_port_8(uint16 port);
+int16 KABI arch_read_port_16(uint16 port);
 
-int16 HABI hal_read_port_16(uint16 port);
+int32 KABI arch_read_port_32(uint16 port);
 
-int32 HABI hal_read_port_32(uint16 port);
+void KABI arch_write_port_8(uint16 port, uint8 data);
 
-void HABI hal_write_port_8(uint16 port, uint8 data);
+void KABI arch_write_port_16(uint16 port, uint16 data);
 
-void HABI hal_write_port_16(uint16 port, uint16 data);
+void KABI arch_write_port_32(uint16 port, uint32 data);
-
-void HABI hal_write_port_32(uint16 port, uint32 data);
 

inc/arch/mem.h

@@ -1,11 +1,10 @@
 #pragma once
 
-#include <ke/cdef.h>
+#include <kern/cdef.h>
-#include <mm/mm.h>
 
 void
 arch_write_page_tbl(void *base, uintptr pdpt_addr, uint64 attr);
 
 void*
-arch_pmap_map(phys_addr paddr, usize size);
+arch_pmap_map(uintptr paddr, usize size);
 

inc/arch/mlayout.h

@@ -24,7 +24,6 @@
 #define KERNEL_IMG_PADDR       (0x1000000)
 #define KERNEL_PAGE_SIZE         (0x1000)
 
-
 #define KERNEL_SPACE_VADDR       (0xFFFF800000000000)
 #define KERNEL_PMAP_VADDR        (0xFFFF800000000000)
 #define KERNEL_PMAP_SIZE         (0x0000400000000000)

inc/arch/print.h

@@ -1,5 +1,5 @@
 #pragma once
-#include <ke/cdef.h>
+#include <kern/cdef.h>
 #include <arch/print.h>
 
 void
@@ -10,3 +10,6 @@ arch_cls(void);
 
 void
 arch_print_init(void);
+
+void
+arch_vprintf(char const *format, va_list args);

inc/ke/atomic.h

@@ -1,12 +0,0 @@
-#pragma once
-
-#include "cdef.h"
-
-int32
-ke_atomic_xchg_32(int32 *target, int32 val);
-
-int32
-ke_atomic_inc_32(int32 *target, int32 increment);
-
-int32
-ke_atmoic_cmpxchg_32(int32 *target, int32 compare, int32 val);

inc/ke/atree.h

@@ -1,65 +0,0 @@
-#pragma once
-
-#include "cdef.h"
-
-
-struct atree_node
-{
-    struct atree_node *left;
-    struct atree_node *right;
-    int32 height;
-};
-
-/**
-* A comparison function between self (yours) and treenode (tree's)
-* Returns:
-* < 0 if treenode < self
-* = 0 if treenode = self
-* > 0 if treenode > self
-*/
-typedef int32 (*atree_cmp_fp)(struct atree_node *tree_node, struct atree_node *self);
-
-struct a_tree
-{
-    atree_cmp_fp cmpf;
-    struct atree_node *root;
-};
-
-
-struct atree_node *
-lb_atree_search(struct a_tree *tree, struct atree_node *entry);
-
-
-struct atree_node *
-lb_atree_insert(struct a_tree *tree, struct atree_node *entry);
-
-
-struct atree_node *
-lb_atree_delete(struct a_tree *tree, struct atree_node *entry);
-
-
-void
-lb_atree_init(struct a_tree *tree, atree_cmp_fp compare);
-
-
-struct atree_node *
-lb_atree_max(struct a_tree *tree);
-
-
-struct atree_node *
-lb_atree_min(struct a_tree *tree);
-
-
-struct atree_node *
-lb_atree_next(struct a_tree *tree, struct atree_node *entry);
-
-
-struct atree_node *
-lb_atree_prev(struct a_tree *tree, struct atree_node *entry);
-
-bool
-lb_atree_validate(struct a_tree *tree);
-
-uint32
-lb_atree_size(struct a_tree *tree);
-

inc/ke/balloc.h

@@ -1,15 +0,0 @@
-#include <kern/cdef.h>
-
-
-struct balloc_desc
-{
-    usize frame_size;
-    void* start;
-    usize length;
-};
-
-int32 balloc_init(struct balloc_desc* desc, void* start, usize length, usize frame_size);
-
-void* balloc(struct balloc_desc* desc, usize num_frames);
-
-void bfree(struct balloc_desc* desc, uintptr ptr);

inc/ke/dlist.h

@@ -1,41 +0,0 @@
-#pragma once
-
-#include "cdef.h"
-
-struct dlist_node
-{
-    struct dlist_node *prev;
-    struct dlist_node *next;
-};
-
-struct dlist
-{
-    struct dlist_node *head;
-    struct dlist_node *tail;
-};
-
-void
-lb_dlist_init(struct dlist *list);
-
-void
-lb_dlist_insert(struct dlist *list, struct dlist_node *cur_node, struct dlist_node *new_node);
-
-
-struct dlist_node *
-lb_dlist_remove(struct dlist *list, struct dlist_node *node);
-
-
-struct dlist_node *
-lb_dlist_next(struct dlist_node *node);
-
-
-struct dlist_node *
-lb_dlist_prev(struct dlist_node *node);
-
-
-struct dlist_node *
-lb_dlist_first(struct dlist *list);
-
-
-struct dlist_node *
-lb_dlist_last(struct dlist *list);

inc/ke/intr.h

@@ -1,48 +0,0 @@
-#pragma once
-
-#include "cdef.h"
-
-#define IRQL_LOW (0)
-#define IRQL_DPC (1)
-#define IRQL_HIGH (2)
-#define IRQL_NUM (3)
-
-uint32
-ke_raise_irql(uint32 irql);
-
-uint32
-ke_lower_irql(uint32 irql);
-
-uint32
-ke_get_irql(void);
-
-void
-ke_issue_intr(uint32 core, uint32 vector);
-
-typedef void (KABI *k_intr_handler)(void* k_context);
-
-void
-ke_reg_intr(uint32 vec, k_intr_handler);
-
-void
-ke_dereg_intr(uint32 vec);
-
-#define EXC_UNRCVY (0)
-#define EXC_DIV (1)
-#define EXC_PROT (2)
-#define EXC_OP (3)
-#define EXC_PF (4)
-#define EXC_UNSUP (5)
-#define EXC_DEBUG (6)
-
-typedef void (KABI *k_exc_handler)(uintptr exc_addr, uint64 err_code);
-
-void
-ke_reg_exc(uint32 vec, k_exc_handler handler);
-
-void
-ke_dereg_exc(uint32 vec);
-
-uint32
-ke_get_core_id(void);
-

inc/ke/panic.h

@@ -1,6 +0,0 @@
-#pragma once
-
-#include "cdef.h"
-
-void
-ke_panic(uint32 reason);

inc/ke/print.h

@@ -1,9 +0,0 @@
-#pragma once
-
-#include "cdef.h"
-
-void
-ke_printf(const char *str, ...);
-
-void
-ke_vprintf(const char *str, va_list args);

inc/ke/ref.h

@@ -1,50 +0,0 @@
-#pragma once
-
-#include "cdef.h"
-#include "status.h"
-#include "lb/atree.h"
-
-typedef uint32 k_ident;
-
-typedef void (*ref_free_fp)(void *);
-
-struct ref_node
-{
-    int32 ref_count;
-    ref_free_fp f_free;
-};
-
-struct ident_node
-{
-    struct atree_node tree_node;
-    k_ident ident;
-    struct ref_node *obj;
-    ref_free_fp free_routine;
-};
-
-//
-// All functions are sx since users or kernel devs should not be
-// specifying where the allocations take place
-//
-
-k_status
-rf_ref_init(void);
-
-k_status
-rf_ref_node_init(struct ref_node *rf_node, ref_free_fp free_func);
-
-k_status
-rf_ref_obj(struct ref_node *rf_node);
-
-k_status
-rf_deref_obj(struct ref_node *rf_node);
-
-k_status
-rf_open_obj_by_ident(k_ident id, struct ref_node **out);
-
-k_status
-rf_ident_create(struct ref_node *rf_node, struct ident_node *id_node, k_ident *out);
-
-k_status
-rf_ident_close(k_ident id);
-

inc/ke/rww_lock.h

@@ -1,29 +0,0 @@
-#pragma once
-
-#include "cdef.h"
-#include "ke/spin_lock.h"
-
-struct rww_lock
-{
-    struct spin_lock w_mutex;
-    struct spin_lock r_mutex;
-    struct spin_lock res_lock;
-    struct spin_lock r_try;
-    uint32 reader_ct;
-    uint32 writer_ct;
-};
-
-void
-ke_rww_init(struct rww_lock *lock);
-
-void
-ke_rww_r_lock(struct rww_lock *lock);
-
-void
-ke_rww_r_unlock(struct rww_lock *lock);
-
-void
-ke_rww_w_lock(struct rww_lock *lock);
-
-void
-ke_rww_w_unlock(struct rww_lock *lock);

inc/ke/slist.h

@@ -1,33 +0,0 @@
-#pragma once
-
-#include "cdef.h"
-
-struct slist_node
-{
-    struct slist_node *next;
-};
-
-struct slist
-{
-    struct slist_node *head;
-    struct slist_node *tail;
-};
-
-void
-lb_slist_init(struct slist *list);
-
-void
-lb_slist_insert(struct slist *list, struct slist_node *cur_node, struct slist_node *new_node);
-
-
-struct dlist_node *
-lb_slist_remove(struct slist *list, struct slist_node *node);
-
-
-struct dlist_node *
-lb_slist_next(struct slist_node *node);
-
-
-struct dlist_node *
-lb_slist_first(struct slist *list);
-

inc/ke/spin_lock.h

@@ -1,17 +0,0 @@
-#pragma once
-
-#include "cdef.h"
-
-struct spin_lock
-{
-    int32 val;
-};
-
-void
-ke_spin_init(struct spin_lock *lock);
-
-void
-ke_spin_lock(struct spin_lock *lock);
-
-void
-ke_spin_unlock(struct spin_lock *lock);

inc/ke/status.h

@@ -1,18 +0,0 @@
-#pragma once
-
-#include "cdef.h"
-
-typedef uint32 k_status;
-
-/**
- * Specific error codes
- */
-
-#define STATUS_SUCCESS        (0x0)
-
-#define STATUS_INVALID_ARGS   (0x1)
-#define STATUS_NO_MEM         (0x2)
-#define STATUS_UNINITIALIZED  (0x3)
-#define STATUS_DUPLICATE      (0x4)
-
-#define SX_SUCCESS(val) ((val) == (STATUS_SUCCESS))

inc/kern/atree.h

@@ -0,0 +1,83 @@
+#pragma once
+
+#include <kern/cdef.h>
+
+struct atree_node
+{
+    struct atree_node *left;
+    struct atree_node *right;
+    int32 height;
+};
+
+/*
+* A comparison function between self (yours) and treenode (tree's)
+* Returns:
+* < 0 if treenode < self
+* = 0 if treenode = self
+* > 0 if treenode > self
+*/
+typedef int32 (*atree_cmp_fn)(struct atree_node *tree_node, struct atree_node *self);
+
+struct atree
+{
+    atree_cmp_fn cmpf;
+    struct atree_node *root;
+};
+
+
+/*
+ * init operations
+ */
+
+void
+atree_init(struct atree *tree, atree_cmp_fn compare);
+
+static inline bool
+atree_empty(struct atree *tree)
+{
+    return (tree->root == NULL);
+}
+
+
+/*
+ * tree operations
+ */
+
+struct atree_node *
+atree_search(struct atree *tree, struct atree_node *entry);
+
+
+struct atree_node *
+atree_insert(struct atree *tree, struct atree_node *entry);
+
+
+struct atree_node *
+atree_remove(struct atree *tree, struct atree_node *entry);
+
+
+/*
+ * traversal operations
+ */
+
+struct atree_node *
+atree_max(struct atree *tree);
+
+struct atree_node *
+atree_min(struct atree *tree);
+
+struct atree_node *
+atree_next(struct atree *tree, struct atree_node *entry);
+
+struct atree_node *
+atree_prev(struct atree *tree, struct atree_node *entry);
+
+
+/*
+ * internal operations (testing only)
+ */
+
+bool
+atree_validate(struct atree *tree);
+
+uint32
+atree_size(struct atree *tree);

inc/kern/bitmap.h

@@ -1,5 +1,5 @@
 #pragma once
-#include "cdef.h"
+#include <kern/cdef.h>
 
 static inline uint8* bit_byte(void* base, uint32 bit)
 {

inc/kern/cdef.h

@@ -29,7 +29,9 @@ typedef _Bool bool;
 
 #define ALIGN(type, num, align) (((type)(num) + (type)(align) - 1) / (type)(align))
 
-#define UNREFERENCED(x) {(x) = (x);}
+#define UNREFERENCED(x) do { \
+                            (x) = (x); \
+                            } while(0)
 
 #define KABI __attribute__((sysv_abi))
 

inc/kern/clib.h

@@ -1,8 +1,8 @@
 #pragma once
 
-#include "kern/cdef.h"
+#include <kern/cdef.h>
 
-/**
+/*
  * Common macros, etc
  */
 
@@ -10,16 +10,18 @@
 
 #define MAX(a, b) ((a) > (b) ? (a) : (b))
 
-#define SWAP(a, b, T) do { T temp = *(a); *(a) = *(b); *(b) = temp; } while(0);
+#define SWAP(a, b, T) \
+    do {  \
+      T temp = *(a); \
+      *(a) = *(b); \
+      *(b) = temp; \
+    } while(0);
 
 uint32
-lb_rand(void);
+krand(void);
 
 void
-lb_srand(uint32 _seed);
+ksrand(uint32 _seed);
-
-void
-lb_mrand(uint32 max);
 
 uint64
 str_len(char const *str);

inc/kern/list.h

@@ -0,0 +1,104 @@
+#pragma once
+
+#include <kern/cdef.h>
+#include <kern/assert.h>
+
+struct list_entry {
+    struct list_entry *next;
+    struct list_entry *prev;
+};
+
+struct list {
+    struct list_entry *head;
+    struct list_entry *tail;
+};
+
+/*
+ * Init Operations
+ */
+static inline void
+list_init(struct list *list)
+{
+    list->head = NULL;
+    list->tail = NULL;
+}
+
+static inline void
+list_entry_init(struct list_entry *ent)
+{
+    ent->prev = NULL;
+    ent->next = NULL;
+}
+
+static inline bool
+list_empty(struct list_entry *ent)
+{
+    return (ent->next == NULL);
+}
+/*
+ * Location Operations
+ */
+static inline struct list_entry *
+list_prev(struct list_entry *ent)
+{
+    return ent->prev;
+}
+
+static inline struct list_entry *
+list_next(struct list_entry *ent)
+{
+    return ent->next;
+}
+
+static inline struct list_entry *
+list_head(struct list *list)
+{
+    return list->head;
+}
+
+static inline struct list_entry *
+list_tail(struct list *list)
+{
+    return list->tail;
+}
+
+/*
+ * Insert Operations
+ */
+void
+list_insert(struct list *list, struct list_entry *cur, struct list_entry *ent);
+
+static inline void
+list_insert_head(struct list *list, struct list_entry *ent)
+{
+    list_insert(list, NULL, ent);
+}
+
+static inline void
+list_insert_tail(struct list *list, struct list_entry *ent)
+{
+    list_insert(list, list_tail(list), ent);
+}
+
+/*
+ * Remove Operations
+ */
+void
+list_remove(struct list *list, struct list_entry *ent);
+
+
+static inline struct list_entry *
+list_remove_tail(struct list *list)
+{
+    struct list_entry *ret = list_tail(list);
+    list_remove(list, ret);
+    return ret;
+}
+
+static inline struct list_entry *
+list_remove_head(struct list *list)
+{
+    struct list_entry *ret = list_head(list);
+    list_remove(list, ret);
+    return ret;
+}

inc/kern/panic.h

@@ -0,0 +1,6 @@
+#pragma once
+
+#include <kern/cdef.h>
+
+void
+panic(uint32 reason);

inc/kern/print.h

@@ -0,0 +1,10 @@
+#pragma once
+
+#include <kern/cdef.h>
+#include <kern/print.h>
+
+void
+kprintf(const char *str, ...);
+
+void
+kvprintf(const char *str, va_list args);

inc/kern/spin_lock.h

@@ -0,0 +1,17 @@
+#pragma once
+
+#include <kern/cdef.h>
+
+struct spin_lock
+{
+    int32 val;
+};
+
+void
+spin_init(struct spin_lock *lock);
+
+void
+spin_lock(struct spin_lock *lock);
+
+void
+spin_unlock(struct spin_lock *lock);

inc/kern/status.h

@@ -0,0 +1,15 @@
+#pragma once
+
+#include <kern/cdef.h>
+
+/**
+ * Specific error codes
+ */
+typedef enum {
+    SUCCESS = 0x0,
+    ENOMEM = 0x1,
+    EINVARG = 0x2,
+    EINIT = 0x3,
+    EDUP = 0x4
+} kstatus;
+

inc/mm/mm.h

@@ -1,5 +0,0 @@
-#pragma once
-
-typedef uintptr phys_addr;
-typedef uintptr virt_addr;
-

ke/Rules.mk

@@ -1,16 +0,0 @@
-include $(MK)/prologue.mk
-
-MOD:=KERNEL
-C_FLAGS_$(MOD):=$(addprefix -I, $(d)/inc)
-AS_FLAGS_$(MOD):=$(addprefix -I, $(d)/inc)
-
-dir	:= $(d)/ke
-include	$(dir)/Rules.mk
-dir	:= $(d)/mm
-include	$(dir)/Rules.mk
-dir := $(d)/rf
-include $(dir)/Rules.mk
-dir := $(d)/lb
-include $(dir)/Rules.mk
-
-include $(MK)/epilogue.mk

ke/balloc.c

@@ -1,28 +0,0 @@
-#include <kern/balloc.h>
-#include <math.h>
-#include <kern/clib.h>
-#include <kern/bitmap.h>
-
-// for each size
-// we have - bitmap representing each frame_size
-
-int32 balloc_init(struct balloc_desc* desc, void* start, usize length, usize frame_size)
-{
-    // calculate size required
-    // calculate the # of levels
-    usize aligned_len = ALIGN(usize, length, frame_size);
-    usize total_frames = aligned_len / frame_size;
-    usize levels = (usize)ceil(log2(total_frames)) + 1; // include the 0th level
-
-
-}
-
-void* balloc(struct balloc_desc* desc, usize num_frames)
-{
-
-}
-
-void bfree(struct balloc_desc* desc, uintptr ptr)
-{
-
-}

ke/dlist.c

@@ -1,144 +0,0 @@
-#include <kern/dlist.h>
-
-static void
-llist_node_init(struct dlist_node *node)
-{
-    node->next = NULL;
-    node->prev = NULL;
-}
-
-
-void
-lb_dlist_init(struct dlist *list)
-{
-    list->head = NULL;
-    list->tail = NULL;
-}
-
-void
-lb_dlist_insert(struct dlist *list, struct dlist_node *cur_node, struct dlist_node *new_node)
-{
-    struct dlist_node *left_node;
-    struct dlist_node *right_node;
-
-    if (list == NULL || new_node == NULL)
-    {
-        return;
-    }
-
-    llist_node_init(new_node);
-
-    /*
-     * adjust the current node
-     */
-    if (cur_node == NULL)
-    {
-        new_node->next = list->head;
-        new_node->prev = NULL;
-    }
-    else
-    {
-        new_node->prev = cur_node;
-        new_node->next = cur_node->next;
-    }
-
-    /*
-     * assign left and treenode node
-     */
-    if (cur_node == NULL)
-    {
-        left_node = NULL;
-        right_node = list->head == NULL ? NULL : list->head;
-    }
-    else
-    {
-        left_node = cur_node;
-        right_node = cur_node->next;
-    }
-
-    /*
-     * adjust left and treenode node accordingly
-     */
-    if (left_node != NULL)
-    {
-        left_node->next = new_node;
-    }
-    else
-    {
-        list->head = new_node;
-    }
-
-    if (right_node != NULL)
-    {
-        right_node->prev = new_node;
-    }
-    else
-    {
-        list->tail = new_node;
-    }
-}
-
-/**
- * returns the next node
- */
-struct dlist_node *
-lb_dlist_remove(struct dlist *list, struct dlist_node *node)
-{
-    struct dlist_node *ret;
-
-    /*
-     * Adjust the left and treenode node
-     */
-    if (node->prev != NULL)
-    {
-        node->prev->next = node->next;
-    }
-    else
-    {
-        list->head = node->next;
-    }
-
-    if (node->next != NULL)
-    {
-        node->next->prev = node->prev;
-    }
-    else
-    {
-        list->tail = node->prev;
-    }
-
-    ret = node->next;
-
-    llist_node_init(node);
-
-    return ret;
-}
-
-
-struct dlist_node *
-lb_dlist_next(struct dlist_node *node)
-{
-    return node->next;
-}
-
-
-struct dlist_node *
-lb_dlist_prev(struct dlist_node *node)
-{
-    return node->prev;
-}
-
-
-struct dlist_node *
-lb_dlist_first(struct dlist *list)
-{
-    return list->head;
-}
-
-
-struct dlist_node *
-lb_dlist_last(struct dlist *list)
-{
-    return list->tail;
-}
-

ke/intr.c

@@ -1,85 +0,0 @@
-#include <kern/cdef.h>
-#include <kern/status.h>
-#include <kern/assert.h>
-
-uint32
-ke_raise_irql(uint32 irql)
-{
-    KASSERT(ke_get_irql() <= irql);
-    return hal_set_irql(irql);
-}
-
-
-uint32
-ke_lower_irql(uint32 irql)
-{
-    uint32 old_irql = ke_get_irql();
-    KASSERT(old_irql >= irql);
-    return hal_set_irql(irql);
-}
-
-
-uint32
-ke_get_irql(void)
-{
-    return hal_get_irql();
-}
-
-
-void
-ke_issue_intr(uint32 core, uint32 vector)
-{
-    hal_issue_intr(core, vector);
-}
-
-
-void
-ke_reg_intr(uint32 vec, k_intr_handler handler)
-{
-    // TODO: implement kernel dispatch table
-    UNREFERENCED(vec);
-    UNREFERENCED(handler);
-}
-
-
-void
-ke_dereg_intr(uint32 vec)
-{
-    // TODO: implement kernel dispatch table
-    UNREFERENCED(vec);
-}
-
-
-void
-ke_reg_exc(uint32 vec, k_exc_handler handler)
-{
-    // TODO: implement kernel dispatch table
-    UNREFERENCED(vec);
-    UNREFERENCED(handler);
-}
-
-
-void
-ke_dereg_exc(uint32 vec)
-{
-    // TODO: implement kernel dispatch table
-    UNREFERENCED(vec);
-}
-
-
-uint32
-ke_get_core_id(void)
-{
-    return hal_get_core_id();
-}
-
-
-k_status
-kp_intr_init(struct boot_info *info)
-{
-    // TODO: initialize kernel dispatch table
-    UNREFERENCED(info);
-    return STATUS_INVALID_ARGS;
-}
-
-

ke/main.c

@@ -1,34 +0,0 @@
-#include "kern/cdef.h"
-
-/**
- * Kernel entry point
- * @param boot_info passed by the bootloader
- */
-void KABI
-kmain(struct boot_info *boot_info)
-{
-    k_status status;
-
-    // initialize interrupts
-    status = kp_intr_init(boot_info);
-    if (!SX_SUCCESS(status))
-    {
-        goto end;
-    }
-
-    // initialize memory manager
-    //status = mm_pmm_init(boot_info);
-    if (!SX_SUCCESS(status))
-    {
-        goto end;
-    }
-
-end:
-    if (!SX_SUCCESS(status))
-    {
-        ke_panic(status);
-    }
-
-    ke_panic(0x0);
-}
-

ke/panic.c

@@ -1,8 +0,0 @@
-#include <kern/panic.h>
-#include <kern/print.h>
-
-void ke_panic(uint32 reason)
-{
-    ke_printf("BugCheck: Reason - %ul\n", reason);
-    hal_halt();
-}

ke/ref.c

@@ -1,239 +0,0 @@
-#include <kern/ref.h>
-#include <kern/assert.h>
-#include <kern/spin_lock.h>
-#include <kern/atomic.h>
-#include <kern/intr.h>
-#include <kern/clib.h>
-
-#define K_IDENT_BASE (0x80000000ul)
-
-static struct a_tree ident_tree;
-static struct spin_lock ident_tree_lock;
-static uint32 ident_base;
-
-
-static int32
-handle_compare(struct atree_node *tree_node, struct atree_node *my_node)
-{
-    struct ident_node *tcb = OBTAIN_STRUCT_ADDR(tree_node, struct ident_node, tree_node);
-    struct ident_node *my_tcb = OBTAIN_STRUCT_ADDR(my_node, struct ident_node, tree_node);
-
-    if ((uintptr) tcb->ident > (uintptr) my_tcb->ident)
-    {
-        return -1;
-    }
-    else
-    {
-        if ((uintptr) tcb->ident == (uintptr) my_tcb->ident)
-        {
-            return 0;
-        }
-        else
-        {
-            return 1;
-        }
-    }
-}
-
-
-static struct ident_node *
-search_handle_node(k_ident ident)
-{
-    struct atree_node *result;
-    struct ident_node temp;
-    temp.ident = ident;
-    result = lb_atree_search(&ident_tree, &temp.tree_node);
-    return result == NULL ? NULL : OBTAIN_STRUCT_ADDR(result, struct ident_node, tree_node);
-}
-
-
-k_status
-rf_ref_init(void)
-{
-    lb_atree_init(&ident_tree, handle_compare);
-    ke_spin_init(&ident_tree_lock);
-    ident_base = K_IDENT_BASE;
-
-    return STATUS_SUCCESS;
-}
-
-
-k_status
-rf_ref_node_init(struct ref_node *rf_node, ref_free_fp free_func)
-{
-    KE_ASSERT(ke_get_irql() <= IRQL_DPC);
-
-    rf_node->f_free = free_func;
-    rf_node->ref_count = 1;
-
-    return STATUS_SUCCESS;
-}
-
-
-k_status
-rf_ref_obj(struct ref_node *ref_node)
-{
-    KE_ASSERT(ke_get_irql() <= IRQL_DPC);
-
-    if (ref_node == NULL)
-    {
-        return STATUS_INVALID_ARGS;
-    }
-
-    int32 old_ref_count = ke_atomic_inc_32(&ref_node->ref_count, 1);
-
-    KE_ASSERT(old_ref_count >= 1);
-
-    return STATUS_SUCCESS;
-}
-
-
-k_status
-rf_deref_obj(struct ref_node *rf_node)
-{
-    KE_ASSERT(ke_get_irql() <= IRQL_DPC);
-
-    if (rf_node == NULL)
-    {
-        return STATUS_INVALID_ARGS;
-    }
-
-    k_status result = STATUS_SUCCESS;
-
-    int32 old_ref_count = ke_atomic_inc_32(&rf_node->ref_count, -1);
-
-    KE_ASSERT(old_ref_count >= 1);
-
-    if (old_ref_count == 1)
-    {
-        rf_node->f_free(rf_node);
-    }
-
-    return result;
-}
-
-
-k_status
-rf_open_obj_by_ident(k_ident id, struct ref_node **out)
-{
-    KE_ASSERT(ke_get_irql() <= IRQL_DPC);
-
-    uint32 irql;
-    k_status status = STATUS_SUCCESS;
-    struct ref_node *ref = NULL;
-
-    irql = ke_raise_irql(IRQL_DPC);
-    ke_spin_lock(&ident_tree_lock);
-    struct ident_node *ident_node = search_handle_node(id);
-    if (ident_node == NULL)
-    {
-        status = STATUS_INVALID_ARGS;
-    }
-    else
-    {
-        ref = ident_node->obj;
-    }
-
-    // PREREQUISITE: Having a handle -> having a reference
-    // MUST GUARANTEE that handle exists while we reference
-    if (SX_SUCCESS(status))
-    {
-        // reference the object then return the reference
-        rf_ref_obj(ref);
-        *out = ref;
-    }
-
-    ke_spin_unlock(&ident_tree_lock);
-    ke_lower_irql(irql);
-
-    return status;
-}
-
-
-k_status
-rf_ident_create(struct ref_node *rf_node, struct ident_node *id_node, k_ident *out)
-{
-    k_status result;
-    uint32 irql;
-
-    KE_ASSERT(ke_get_irql() <= IRQL_DPC);
-
-    result = STATUS_SUCCESS;
-
-    // TODO: CHECK OVERFLOW
-    id_node->ident = (k_ident) ke_atomic_inc_32((int32 *) &ident_base, 1);
-    id_node->obj = rf_node;
-
-    irql = ke_raise_irql(IRQL_DPC);
-    ke_spin_lock(&ident_tree_lock);
-
-    struct ident_node *existing_node = search_handle_node(id_node->ident);
-    if (existing_node == NULL)
-    {
-        lb_atree_insert(&ident_tree, &id_node->tree_node);
-    }
-    else
-    {
-        /**
-         * Shouldn't get to here
-         */
-        result = STATUS_DUPLICATE;
-    }
-
-    ke_spin_unlock(&ident_tree_lock);
-    ke_lower_irql(irql);
-
-
-    if (SX_SUCCESS(result))
-    {
-        rf_ref_obj(rf_node);
-        *out = id_node->ident;
-    }
-
-    return result;
-}
-
-
-k_status
-rf_ident_close(k_ident id)
-{
-    uint32 irql;
-    k_status status;
-    struct ref_node *ref;
-
-    KE_ASSERT(ke_get_irql() <= IRQL_DPC);
-
-    status = STATUS_SUCCESS;
-    ref = NULL;
-
-    irql = ke_raise_irql(IRQL_DPC);
-    ke_spin_lock(&ident_tree_lock);
-
-    struct ident_node *id_node = search_handle_node(id);
-    if (id_node == NULL)
-    {
-        status = STATUS_INVALID_ARGS;
-    }
-    else
-    {
-        ref = id_node->obj;
-        lb_atree_delete(&ident_tree, &id_node->tree_node);
-    }
-
-    ke_spin_unlock(&ident_tree_lock);
-    ke_lower_irql(irql);
-
-    if (SX_SUCCESS(status))
-    {
-        /**
-         * Success means already freed
-         */
-        id_node->free_routine(id_node);
-        /**
-         * Dereference the object
-         */
-        rf_deref_obj(ref);
-    }
-
-    return status;
-}

ke/rww_lock.c

@@ -1,73 +0,0 @@
-#include "ke/rww_lock.h"
-
-void
-ke_rww_init(struct rww_lock *lock)
-{
-    if (lock != NULL)
-    {
-        ke_spin_init(&lock->w_mutex);
-        ke_spin_init(&lock->r_mutex);
-        ke_spin_init(&lock->res_lock);
-        ke_spin_init(&lock->r_try);
-        lock->reader_ct = 0;
-        lock->writer_ct = 0;
-    }
-}
-
-void
-ke_rww_r_lock(struct rww_lock *lock)
-{
-    if (lock != NULL)
-    {
-        ke_spin_lock(&lock->r_try);
-        ke_spin_lock(&lock->r_mutex);
-        lock->reader_ct++;
-        if (lock->reader_ct == 1)
-        {
-            ke_spin_lock(&lock->res_lock);
-        }
-        ke_spin_unlock(&lock->r_mutex);
-        ke_spin_unlock(&lock->r_try);
-    }
-}
-
-void
-ke_rww_r_unlock(struct rww_lock *lock)
-{
-    if (lock != NULL)
-    {
-        ke_spin_lock(&lock->r_mutex);
-        lock->reader_ct--;
-        if (lock->reader_ct == 0)
-        {
-            ke_spin_unlock(&lock->res_lock);
-        }
-        ke_spin_unlock(&lock->r_mutex);
-    }
-}
-
-void
-ke_rww_w_lock(struct rww_lock *lock)
-{
-    ke_spin_lock(&lock->w_mutex);
-    lock->writer_ct++;
-    if (lock->writer_ct == 1)
-    {
-        ke_spin_lock(&lock->r_try);
-    }
-    ke_spin_unlock(&lock->w_mutex);
-    ke_spin_lock(&lock->res_lock);
-}
-
-void
-ke_rww_w_unlock(struct rww_lock *lock)
-{
-    ke_spin_unlock(&lock->res_lock);
-    ke_spin_lock(&lock->w_mutex);
-    lock->writer_ct--;
-    if (lock->writer_ct == 0)
-    {
-        ke_spin_unlock(&lock->r_try);
-    }
-    ke_spin_unlock(&lock->w_mutex);
-}

ke/spin_lock.c

@@ -1,33 +0,0 @@
-#include "ke/spin_lock.h"
-#include "ke/atomic.h"
-
-void
-ke_spin_init(struct spin_lock *lock)
-{
-    if (lock != NULL)
-    {
-        lock->val = 0;
-    }
-}
-
-
-void
-ke_spin_lock(struct spin_lock *lock)
-{
-    if (lock != NULL)
-    {
-        while (ke_atmoic_cmpxchg_32(&lock->val, 0, 1) != 0)
-        {}
-    }
-}
-
-
-void
-ke_spin_unlock(struct spin_lock *lock)
-{
-    if (lock != NULL)
-    {
-        lock->val = 0;
-    }
-}
-

ke/ssalloc.c

@@ -1,104 +0,0 @@
-#include "kern/cdef.h"
-#include "kern/mlayout.h"
-#include "lb/dlist.h"
-
-/**
- * Simplified Slab Allocator
- */
-
-#define LARGE_THRESHOLD (8)
-
-struct ssalloc_page_desc
-{
-    struct dlist_node node;
-    uint32 used_obj_num;
-    uint8 free_list[0]; /* free list inside each slab */
-};
-
-struct ssalloc_obj_desc
-{
-    struct dlist free_list;
-    struct dlist full_list;
-    struct dlist empty_list;
-    usize obj_size;
-    uint32 align;
-};
-
-struct ssalloc_desc
-{
-    uint32 chunk_size;
-    void* malloc_chunk(void);   // allocate a chunk
-    void* free_chunk(void);     // free a chunk
-};
-
-static void* scalloc_large(struct ssalloc_desc* desc, struct ssalloc_obj_desc* obj_desc)
-{
-
-}
-
-static void scfree_large(struct ssalloc_desc* desc, struct ssalloc_obj_desc* obj_desc, void* addr)
-{
-
-}
-
-static void* scalloc_small(struct ssalloc_desc* desc, struct ssalloc_obj_desc* obj_desc)
-{
-    // check the current free list first
-    if (lb_dlist_size(&obj_desc->free_list) > 0)
-    {
-        // if it exists then we grab something from the list
-        struct llist_node* node = lb_dlist_first(node);
-    }
-    else
-    {
-
-    }
-}
-
-static void scfree_small(struct ssalloc_desc* desc, struct ssalloc_obj_desc* obj_desc, void* addr)
-{
-
-}
-
-void ssalloc_desc_init(struct ssalloc_desc* desc)
-{
-
-}
-
-void ssalloc_obj_desc_init(struct ssalloc_obj_desc* obj_desc, usize obj_size, uint32 align)
-{
-    obj_desc->obj_size = obj_size;
-    obj_desc->align = align;
-    lb_dlist_init(&obj_desc->empty_list);
-    lb_dlist_init(&obj_desc->full_list);
-    lb_dlist_init(&obj_desc->free_list);
-}
-
-void* scalloc(struct ssalloc_desc* desc, struct ssalloc_obj_desc* obj_desc)
-{
-    void* ret = NULL;
-    if(obj_desc->obj_size < desc->chunk_size / LARGE_THRESHOLD)
-    {
-        ret = scalloc_small(desc, obj_desc);
-    }
-    else
-    {
-        // large objects
-        ret = scalloc_large(desc, obj_desc);
-    }
-
-    return ret;
-}
-
-void scfree(struct ssalloc_desc* desc, struct ssalloc_obj_desc* obj_desc, void* address)
-{
-    if(obj_desc->obj_size < desc->chunk_size)
-    {
-        scfree_small(desc, obj_desc, address);
-    }
-    else
-    {
-        // large objects
-        scfree_large(desc, obj_desc, address);
-    }
-}

kern/CMakeLists.txt

@@ -0,0 +1,13 @@
+set(SUBMODULE kern)
+set(CC_SRC
+        assert.c
+        atree.c
+        clib.c
+        main.c
+        panic.c
+        print.c
+        spin_lock.c
+        list.c )
+
+include(${MK}/kern.cmake)
+

kern/assert.c

@@ -6,7 +6,6 @@ void kassert_ex(const char *expr_str, const char *file, int32 line, int32 expr)
 {
     if (!expr)
     {
-        ke_printf("Assertion \"%s\" failed at %s:%d.\n", expr_str, file, line);
+        kprintf("Assertion \"%s\" failed at %s:%d.\n", expr_str, file, line);
-
     }
 }

kern/atree.c

@@ -1,11 +1,11 @@
 #include <kern/atree.h>
 #include <kern/clib.h>
+#include <kern/cdef.h>
 
 static struct atree_node *
 atree_node_max(struct atree_node *node)
 {
-    while ((node != NULL) && (node->right != NULL))
+    while ((node != NULL) && (node->right != NULL)) {
-    {
         node = node->right;
     }
     return node;
@@ -15,8 +15,7 @@ atree_node_max(struct atree_node *node)
 static struct atree_node *
 atree_node_min(struct atree_node *node)
 {
-    while ((node != NULL) && (node->left != NULL))
+    while ((node != NULL) && (node->left != NULL)) {
-    {
         node = node->left;
     }
     return node;
@@ -26,8 +25,7 @@ atree_node_min(struct atree_node *node)
 static void
 atree_node_init(struct atree_node *it)
 {
-    if (it != NULL)
+    if (it != NULL) {
-    {
         it->height = 0;
         it->left = NULL;
         it->right = NULL;
@@ -45,8 +43,7 @@ atree_node_get_height(struct atree_node *node)
 static int32
 atree_node_get_balance_factor(struct atree_node *node)
 {
-    if (node == NULL)
+    if (node == NULL) {
-    {
         return 0;
     }
     return atree_node_get_height(node->left) - atree_node_get_height(node->right);
@@ -87,15 +84,13 @@ atree_node_balance(struct atree_node *node)
 
     bf = atree_node_get_balance_factor(node);
 
-    if (bf > 1)
+    if (bf > 1) {
-    {
+        /*
-        /**
          * Left double heavy
          */
         cbf = atree_node_get_balance_factor(node->left);
-        if (cbf >= 0)
+        if (cbf >= 0) {
-        {
+            /*
-            /**
              *
              * Left child is left heavy
              *            x (k)                                 y (k-1)
@@ -105,10 +100,8 @@ atree_node_balance(struct atree_node *node)
              *  (k-2) B   C (k-3)                         (k-3) C   A (k-3)
              */
             return atree_node_right_rotate(node);
-        }
+        } else {
-        else
+            /*
-        {
-            /**
             *
             * Left child is right heavy
             *            x (k)                                          x (k)
@@ -131,50 +124,39 @@ atree_node_balance(struct atree_node *node)
             node->left = atree_node_left_rotate(node->left);
             return atree_node_right_rotate(node);
         }
-    }
+    } else if (bf < -1) {
-    else if (bf < -1)
-    {
         {
             cbf = atree_node_get_balance_factor(node->right);
-            if (cbf <= 0)
+            if (cbf <= 0) {
-            {
                 // right right, see above
                 return atree_node_left_rotate(node);
-            }
+            } else {
-            else
-            {
                 // right left, see above
                 node->right = atree_node_right_rotate(node->right);
                 return atree_node_left_rotate(node);
             }
         }
-    }
+    } else {
-    else
-    {
         return node;
     }
 }
 
 
 static struct atree_node *
-atree_node_insert(struct atree_node *node, struct atree_node *entry, atree_cmp_fp compare, struct atree_node **overwritten)
+atree_node_insert(struct atree_node *node, struct atree_node *entry, atree_cmp_fn compare,
+                  struct atree_node **overwritten)
 {
-    if (node == NULL)
+    if (node == NULL) {
-    {
         atree_node_init(entry);
         return entry;
     }
 
     int32 comp = compare(node, entry);
-    if (comp < 0)
+    if (comp < 0) {
-    {
         node->right = atree_node_insert(node->right, entry, compare, overwritten);
-    }
+    } else {
-    else
+        if (comp == 0) {
-    {
+            /*
-        if (comp == 0)
-        {
-            /**
              * overwrite existing value
              */
             atree_node_init(entry);
@@ -183,9 +165,7 @@ atree_node_insert(struct atree_node *node, struct atree_node *entry, atree_cmp_f
             entry->height = node->height;
             *overwritten = node;
             return entry;
-        }
+        } else {
-        else
-        {
             node->left = atree_node_insert(node->left, entry, compare, overwritten);
         }
     }
@@ -197,7 +177,7 @@ atree_node_insert(struct atree_node *node, struct atree_node *entry, atree_cmp_f
 
 
 static struct atree_node *
-atree_node_search(struct atree_node *node, struct atree_node *entry, atree_cmp_fp compare, struct atree_node **parent)
+atree_node_search(struct atree_node *node, struct atree_node *entry, atree_cmp_fn compare, struct atree_node **parent)
 {
     int32 comp;
     struct atree_node *prev;
@@ -205,28 +185,21 @@ atree_node_search(struct atree_node *node, struct atree_node *entry, atree_cmp_f
 
     prev = NULL;
 
-    while (node != NULL)
+    while (node != NULL) {
-    {
         comp = compare(node, entry);
         temp = node;
-        if (comp < 0)
+        if (comp < 0) {
-        {
             node = node->right;
-        }
+        } else if (comp > 0) {
-        else if (comp > 0)
-        {
             node = node->left;
-        }
+        } else {
-        else
-        {
             break;
         }
 
         prev = temp;
     }
 
-    if (parent != NULL)
+    if (parent != NULL) {
-    {
         *parent = prev;
     }
 
@@ -235,77 +208,59 @@ atree_node_search(struct atree_node *node, struct atree_node *entry, atree_cmp_f
 
 
 static struct atree_node *
-atree_node_delete(struct atree_node *node, struct atree_node *entry, atree_cmp_fp compare, struct atree_node **deleted)
+atree_node_delete(struct atree_node *node, struct atree_node *entry, atree_cmp_fn compare, struct atree_node **deleted)
 {
     int32 comp;
     struct atree_node *succ_parent;
 
-    if (node == NULL)
+    if (node == NULL) {
-    {
         return NULL;
     }
 
     comp = compare(node, entry);
-    if (comp < 0)
+    if (comp < 0) {
-    {
         node->right = atree_node_delete(node->right, entry, compare, deleted);
-    }
+    } else if (comp > 0) {
-    else if (comp > 0)
-    {
         node->left = atree_node_delete(node->left, entry, compare, deleted);
-    }
+    } else {
-    else
+        /*
-    {
-        /**
          * Write the deleted node first
          */
         *deleted = node;
 
-        if ((node->left == NULL) || (node->right == NULL))
+        if ((node->left == NULL) || (node->right == NULL)) {
-        {
+            /*
-            /**
              * 0 or 1 child
              */
             struct atree_node *child = node->left != NULL ? node->left : node->right;
 
-            if (child == NULL)
+            if (child == NULL) {
-            {
                 node = NULL;
-            }
+            } else {
-            else
-            {
                 node = child;
             }
-        }
+        } else {
-        else
+            /*
-        {
-            /**
              * 2 children
              * meaning that the successor must be in the right subtree
              */
             struct atree_node *succ = atree_node_min(node->right);
             atree_node_search(node, succ, compare, &succ_parent);
 
-            /**
+            /*
              * Swap the nodes
              * note that after swapping, the BST property of the right subtree is preserved
              */
-            if (succ_parent == node)
+            if (succ_parent == node) {
-            {
+                /*
-                /**
                  * check special case where the successor is the right child
                  */
                 node->right = succ->right;
                 succ->right = node;
-            }
+            } else {
-            else
+                if (succ_parent->left == succ) {
-            {
-                if (succ_parent->left == succ)
-                {
                     succ_parent->left = node;
-                }
+                } else {
-                else
-                {
                     succ_parent->right = node;
                 }
                 SWAP(&node->right, &succ->right, struct atree_node*);
@@ -313,7 +268,7 @@ atree_node_delete(struct atree_node *node, struct atree_node *entry, atree_cmp_f
             SWAP(&node->left, &succ->left, struct atree_node*);
             SWAP(&node->height, &succ->height, int32);
 
-            /**
+            /*
              * Delete the node from the right subtree
              */
             succ->right = atree_node_delete(succ->right, node, compare, deleted);
@@ -322,11 +277,10 @@ atree_node_delete(struct atree_node *node, struct atree_node *entry, atree_cmp_f
         }
     }
 
-    /**
+    /*
      * balance the new head
      */
-    if (node != NULL)
+    if (node != NULL) {
-    {
         node->height = MAX(atree_node_get_height(node->left), atree_node_get_height(node->right)) + 1;
         node = atree_node_balance(node);
     }
@@ -336,50 +290,41 @@ atree_node_delete(struct atree_node *node, struct atree_node *entry, atree_cmp_f
 
 
 struct atree_node *
-lb_atree_min(struct a_tree *tree)
+atree_min(struct atree *tree)
 {
     return atree_node_min(tree->root);
 }
 
 
 struct atree_node *
-lb_atree_max(struct a_tree *tree)
+atree_max(struct atree *tree)
 {
     return atree_node_max(tree->root);
 }
 
 
 struct atree_node *
-lb_atree_next(struct a_tree *tree, struct atree_node *entry)
+atree_next(struct atree *tree, struct atree_node *entry)
 {
     struct atree_node *succ;
     struct atree_node *node;
     int32 comp;
 
-    if (entry->right != NULL)
+    if (entry->right != NULL) {
-    {
         succ = atree_node_min(entry->right);
-    }
+    } else {
-    else
-    {
         succ = NULL;
         node = tree->root;
 
-        while (node != NULL)
+        while (node != NULL) {
-        {
             comp = tree->cmpf(node, entry);
 
-            if (comp < 0)
+            if (comp < 0) {
-            {
                 node = node->right;
-            }
+            } else if (comp > 0) {
-            else if (comp > 0)
-            {
                 succ = node;
                 node = node->left;
-            }
+            } else {
-            else
-            {
                 break;
             }
         }
@@ -390,36 +335,27 @@ lb_atree_next(struct a_tree *tree, struct atree_node *entry)
 
 
 struct atree_node *
-lb_atree_prev(struct a_tree *tree, struct atree_node *entry)
+atree_prev(struct atree *tree, struct atree_node *entry)
 {
     struct atree_node *prev;
     struct atree_node *node;
     int32 comp;
 
-    if (entry->left != NULL)
+    if (entry->left != NULL) {
-    {
         prev = atree_node_max(entry->left);
-    }
+    } else {
-    else
-    {
         prev = NULL;
         node = tree->root;
 
-        while (node != NULL)
+        while (node != NULL) {
-        {
             comp = tree->cmpf(node, entry);
 
-            if (comp < 0)
+            if (comp < 0) {
-            {
                 prev = node;
                 node = node->right;
-            }
+            } else if (comp > 0) {
-            else if (comp > 0)
-            {
                 node = node->left;
-            }
+            } else {
-            else
-            {
                 break;
             }
         }
@@ -430,14 +366,14 @@ lb_atree_prev(struct a_tree *tree, struct atree_node *entry)
 
 
 struct atree_node *
-lb_atree_search(struct a_tree *tree, struct atree_node *entry)
+atree_search(struct atree *tree, struct atree_node *entry)
 {
     return atree_node_search(tree->root, entry, tree->cmpf, NULL);
 }
 
 
 struct atree_node *
-lb_atree_insert(struct a_tree *tree, struct atree_node *entry)
+atree_insert(struct atree *tree, struct atree_node *entry)
 {
     struct atree_node *old;
 
@@ -448,7 +384,7 @@ lb_atree_insert(struct a_tree *tree, struct atree_node *entry)
 
 
 struct atree_node *
-lb_atree_delete(struct a_tree *tree, struct atree_node *entry)
+atree_remove(struct atree *tree, struct atree_node *entry)
 {
     struct atree_node *node;
 
@@ -459,19 +395,17 @@ lb_atree_delete(struct a_tree *tree, struct atree_node *entry)
 
 
 uint32
-lb_atree_size(struct a_tree *tree)
+atree_size(struct atree *tree)
 {
     uint32 size;
     struct atree_node *node;
 
     size = 0;
-    if (tree->root != NULL)
+    if (tree->root != NULL) {
-    {
+        node = atree_min(tree);
-        node = lb_atree_min(tree);
+        while (node != NULL) {
-        while (node != NULL)
-        {
             size++;
-            node = lb_atree_next(tree, node);
+            node = atree_next(tree, node);
         }
     }
     return size;
@@ -479,57 +413,49 @@ lb_atree_size(struct a_tree *tree)
 
 
 void
-lb_atree_init(struct a_tree *tree, atree_cmp_fp compare)
+atree_init(struct atree *tree, atree_cmp_fn compare)
 {
     tree->cmpf = compare;
     tree->root = NULL;
 }
 
 
-/**
+/*
- * Used by tests
+ * For tests
  */
 
-static
+static int32
-int32
 atree_node_calc_height(struct atree_node *tree)
 {
-    if (tree == NULL)
+    if (tree == NULL) {
-    {
         return -1;
     }
     return MAX(atree_node_calc_height(tree->left), atree_node_calc_height(tree->right)) + 1;
 }
 
 
-static
+static bool
-bool
+atree_node_test(struct atree_node *tree, atree_cmp_fn compare)
-atree_node_test(struct atree_node *tree, atree_cmp_fp compare)
 {
-    if (tree == NULL)
+    if (tree == NULL) {
-    {
         return TRUE;
     }
 
     if (atree_node_get_balance_factor(tree) < -1 || atree_node_get_balance_factor(tree) > 1 ||
-        atree_node_calc_height(tree) != tree->height)
+        atree_node_calc_height(tree) != tree->height) {
-    {
         return FALSE;
     }
 
-    if(tree->height == 0 && ((tree->left != NULL) || (tree->right != NULL)))
+    if (tree->height == 0 && ((tree->left != NULL) || (tree->right != NULL))) {
-    {
         return FALSE;
     }
 
-    if(tree->right == tree || tree->left == tree || (tree->right == tree->left && tree->right != NULL))
+    if (tree->right == tree || tree->left == tree || (tree->right == tree->left && tree->right != NULL)) {
-    {
         return FALSE;
     }
 
     if ((tree->right != NULL && compare(tree, tree->right) > 0) ||
-        (tree->left != NULL && compare(tree, tree->left) < 0))
+        (tree->left != NULL && compare(tree, tree->left) < 0)) {
-    {
         return FALSE;
     }
 
@@ -538,10 +464,9 @@ atree_node_test(struct atree_node *tree, atree_cmp_fp compare)
 
 
 bool
-lb_atree_validate(struct a_tree *tree)
+atree_validate(struct atree *tree)
 {
-    if (tree == NULL)
+    if (tree == NULL) {
-    {
         return TRUE;
     }
     return atree_node_test(tree->root, tree->cmpf);

kern/clib.c

@@ -57,27 +57,21 @@ mem_mv(void *src, void *dst, uint64 size)
 // Random Generator
 //
 static uint32 seed = 1;
-static uint32 max = 16777215;
+static uint32 max = (uint32)-1;
 
 uint32
-lb_rand(void)
+krand(void)
 {
     seed = seed * 1103512986 + 29865;
     return (unsigned int) (seed / 65536) % (max + 1);
 }
 
 void
-lb_srand(uint32 _seed)
+ksrand(uint32 _seed)
 {
     seed = _seed;
 }
 
-void
-lb_mrand(uint32 _max)
-{
-    max = _max;
-}
-
 //
 // String Library
 //

kern/list.c

@@ -0,0 +1,58 @@
+#include <kern/list.h>
+#include <kern/cdef.h>
+
+void
+list_insert(struct list *list, struct list_entry *cur, struct list_entry *ent)
+{
+    struct list_entry *left_ent;
+    struct list_entry *right_ent;
+
+    /*
+     * adjust the current entry
+     */
+    if (cur == NULL) {
+        ent->next = list->head;
+        ent->prev = NULL;
+    } else {
+        ent->prev = cur;
+        ent->next = cur->next;
+    }
+
+    /*
+     * make left and right entry point at correct things
+     */
+    left_ent = cur;
+    right_ent = cur == NULL ? list->head : cur->next;
+
+    /*
+     * adjust left and treenode node accordingly
+     */
+    if (left_ent != NULL) {
+        left_ent->next = ent;
+    } else {
+        list->head = ent;
+    }
+
+    if (right_ent != NULL) {
+        right_ent->prev = ent;
+    } else {
+        list->tail = ent;
+    }
+}
+
+void
+list_remove(struct list *list, struct list_entry *ent)
+{
+    if (ent->prev != NULL) {
+        ent->prev->next = ent->next;
+    } else {
+        list->head = ent->next;
+    }
+
+    if (ent->next != NULL) {
+        ent->next->prev = ent->prev;
+    } else {
+        list->tail = ent->prev;
+    }
+}
+

kern/main.c

@@ -0,0 +1,15 @@
+#include <kern/cdef.h>
+#include <kern/status.h>
+
+#include <arch/cpu.h>
+/**
+ * Kernel entry point
+ * @param boot_info passed by the bootloader
+ */
+void KABI
+kmain(void *boot_info)
+{
+    UNREFERENCED(boot_info);
+    arch_halt();
+}
+

kern/panic.c

@@ -0,0 +1,11 @@
+#include <kern/panic.h>
+#include <kern/print.h>
+#include <kern/cdef.h>
+
+#include <arch/cpu.h>
+
+void panic(uint32 reason)
+{
+    kprintf("BugCheck: Reason - %ul\n", reason);
+    arch_halt();
+}

kern/print.c

@@ -1,20 +1,20 @@
 #include <kern/print.h>
 #include <kern/assert.h>
+#include <arch/print.h>
 
 void
-ke_printf(const char *str, ...)
+kprintf(const char *str, ...)
 {
     va_list args;
     va_start(args, str);
-    ke_vprintf(str, args);
+    kvprintf(str, args);
     va_end(args);
 }
 
 void
-ke_vprintf(const char *str, va_list args)
+kvprintf(const char *str, va_list args)
 {
-    //TODO: implement
-    KASSERT(0);
     UNREFERENCED(str);
     UNREFERENCED(args);
+    arch_vprintf(str, args);
 }

kern/spin_lock.c

@@ -0,0 +1,34 @@
+#include <kern/cdef.h>
+#include <kern/spin_lock.h>
+#include <arch/atomic.h>
+
+void
+spin_init(struct spin_lock *lock)
+{
+    if (lock != NULL)
+    {
+        lock->val = 0;
+    }
+}
+
+
+void
+spin_lock(struct spin_lock *lock)
+{
+    if (lock != NULL)
+    {
+        while (arch_cmp_swp_32(&lock->val, 0, 1) != 0)
+        {}
+    }
+}
+
+
+void
+spin_unlock(struct spin_lock *lock)
+{
+    if (lock != NULL)
+    {
+        lock->val = 0;
+    }
+}
+

makfile

@@ -1,87 +0,0 @@
-
-AS := nasm
-CC := clang
-LD := lld
-DAS := objdump
-
-ifneq '$(AS_ENV)' ''
-AS := $(AS_ENV)
-endif
-$(info Using AS=$(AS))
-
-ifneq '$(CC_ENV)' ''
-CC := $(CC_ENV)
-endif
-$(info Using CC=$(CC))
-
-ifneq '$(LD_ENV)' ''
-LD := $(LD_ENV)
-endif
-$(info Using LD=$(LD))
-
-ifneq '$(DAS_ENV)' ''
-DAS := $(DAS_ENV)
-endif
-$(info Using DAS=$(DAS))
-
-INC_COMMON := inc
-MK := mk
-OUT := out
-
-C_FLAGS_ARCH_X86_64 := -mcmodel=kernel \
-                  -target x86_64-pc-none-elf \
-                  -mno-red-zone \
-                  -mno-mmx \
-                  -mno-sse \
-                  -mno-sse2 \
-                  -mno-sse3 \
-                  -mno-3dnow
-
-# generic freestanding cflags used for target
-# each submodule can append to this flag
-C_FLAGS =   -x c \
-			-g \
-            -c \
-            -O2 \
-			-std=c17 \
-			-Wall \
-			-Wextra \
-			-Wpedantic \
-			-Werror \
-			-ffreestanding \
-			-fno-pic \
-			-fno-stack-protector \
-			$(C_FLAGS_ARCH_X86_64) \
-			-I$(INC_COMMON) \
-			$(C_FLAGS_$(MOD))
-
-# generic asm flags used for target
-# each submodule can append to this flag
-AS_FLAGS =  -w+all \
-			-w+error \
-			-f elf64 \
-			-F dwarf \
-			-g \
-			-I$(INC_COMMON) \
-			$(AS_FLAGS_$(MOD))
-
-# generic pre-processing flags used for target
-PREP_FLAGS = -E \
-			 -xc\
-			 -P \
-			 -I$(INC_COMMON) \
-             $(C_FLAGS_$(MOD))
-
-# generic generate dependency flags used for target
-# each submodule can append to this flag
-GDEP_FLAGS = $(PREP_FLAGS) \
-			 -MMD \
-			 -MT $@
-
-MKDIR = mkdir -p $(dir $@)
-COMP = $(CC) $(C_FLAGS) -o $@ $<
-COMPAS = $(AS) $(AS_FLAGS) -o $@ $<
-PREP = $(CC) $(PREP_FLAGS) $< > $@
-GDEP = $(CC) $(GDEP_FLAGS) -MF $(addsuffix .d, $@) $< > /dev/null
-
-include Rules.top

mk/Rules.mk

@@ -1,9 +0,0 @@
-include $(MK)/prologue.mk
-
-MOD:=MK
-
-SRCIN_$(d) := $(d)/linker.ld.in
-
-include $(MK)/stdrules.mk
-
-include $(MK)/epilogue.mk

mk/amd64.cmake

@@ -0,0 +1,29 @@
+# toolchain file for amd64 target
+find_program(AS nasm)
+find_program(CC clang)
+find_program(LD ld.lld)
+find_program(DMP objdump)
+find_program(GRUB grub2-mkrescue)
+
+
+set(CC_FLAGS_${ARCH}
+		--target=x86_64-unknown-none-elf
+        -mcmodel=kernel
+        -mno-red-zone
+        -mno-mmx
+        -mno-sse
+        -mno-sse2
+        -mno-sse3
+        -mno-3dnow)
+
+set(AS_FLAGS_${ARCH}
+        -w+all
+        -w+error
+        -Fdwarf
+        -g
+        -felf64)
+
+set(DMP_FLAGS_${ARCH}
+        -M intel
+        -d
+        -t)

mk/common.cmake

@@ -0,0 +1,41 @@
+
+# preprocess files, add all target object files to ${target} variable
+function(PP_GEN file target)
+    # Note that file should be full path
+    get_filename_component(base ${file} NAME)
+    set(output ${CMAKE_CURRENT_BINARY_DIR}/${base})
+    add_custom_command(
+            OUTPUT ${output}
+            DEPENDS ${file}
+            COMMAND ${CC} ${PP_FLAGS} -o ${output} ${file}
+            IMPLICIT_DEPENDS C ${file}
+    )
+    set(${target} ${${target}} ${output} PARENT_SCOPE)
+endfunction()
+
+# cc file compile, add all target object files to ${target} variable
+function(CC_GEN file target)
+    # Note that file should be full path
+    get_filename_component(base ${file} NAME)
+    set(output ${CMAKE_CURRENT_BINARY_DIR}/${base}.o)
+    add_custom_command(
+            OUTPUT ${output}
+            DEPENDS ${file}
+            COMMAND ${CC} ${CC_FLAGS} -o ${output} ${file}
+            IMPLICIT_DEPENDS C ${file}
+    )
+    set(${target} ${${target}} ${output} PARENT_SCOPE)
+endfunction()
+
+# asm file compile, add all target object files to ${target} variable
+function(AS_GEN file target)
+    # Note that file should be full path
+    get_filename_component(base ${file} NAME)
+    set(output ${CMAKE_CURRENT_BINARY_DIR}/${base}.o)
+    add_custom_command(
+            OUTPUT ${output}
+            DEPENDS ${file}
+            COMMAND ${AS} ${AS_FLAGS} -o ${output} ${file}
+    )
+    set(${target} ${${target}} ${output} PARENT_SCOPE)
+endfunction()

mk/epilogue.mk

@@ -1,2 +0,0 @@
-d		:= $(dirstack_$(sp))
-sp		:= $(basename $(sp))

mk/grub.cfg

@@ -1,6 +0,0 @@
-set timeout=0
-set default=0
-
-menuentry "secX" {
-	multiboot2 /secX/secxkrnl.elf
-}

mk/kern.cmake

@@ -0,0 +1,41 @@
+include(${MK}/common.cmake)
+
+#
+# Standard rules for kernel
+#
+# Process AS_SRC and CC_SRC and add them to "OBJS"
+#
+
+FOREACH(f IN LISTS AS_SRC)
+    PP_GEN(${CMAKE_CURRENT_SOURCE_DIR}/${f} AS_TMPSRC)
+endforeach(f)
+
+FOREACH(f IN LISTS AS_TMPSRC)
+    AS_GEN(${f} M_OBJS)
+endforeach(f)
+
+FOREACH(f IN LISTS CC_SRC)
+    CC_GEN(${CMAKE_CURRENT_SOURCE_DIR}/${f} M_OBJS)
+endforeach(f)
+
+set(SUBTARGET ${CMAKE_CURRENT_BINARY_DIR}/${SUBMODULE}.o)
+# Rules for generating the target
+add_custom_command(
+        OUTPUT ${SUBTARGET}
+        DEPENDS ${M_OBJS}
+        COMMAND ${CC} ${LD_FLAGS} -r -o ${SUBTARGET} ${M_OBJS})
+
+add_custom_target(${SUBMODULE}
+        DEPENDS ${SUBTARGET})
+ 
+set(OBJS_${SUBMODULE} ${SUBTARGET} PARENT_SCOPE)
+set(TARGET_${SUBMODULE} ${SUBMODULE} PARENT_SCOPE)
+
+# hack for clion not parsing custom targets
+set(CUR_CC_SRC "")
+
+FOREACH(f IN LISTS CC_SRC)
+    set(CUR_CC_SRC ${CUR_CC_SRC} ${CMAKE_CURRENT_SOURCE_DIR}/${f})
+endforeach(f)
+
+set(G_CC_SRC ${G_CC_SRC} ${CUR_CC_SRC} PARENT_SCOPE)

mk/linker.ld.in

@@ -1,31 +0,0 @@
-#define ASM_FILE
-#include "kern/mlayout.h"
-
-ENTRY(sys_entry)
-
-SECTIONS
-{
-	. = KERNEL_IMAGE_VADDR + KERNEL_IMAGE_OFFSET;
-
-	.multiboot_header ALIGN(KERNEL_PAGE_SIZE) : AT(ADDR(.multiboot_header) - KERNEL_IMAGE_VADDR)
-	{
-		*(.multiboot_header)
-	}
-
-	.text ALIGN(KERNEL_PAGE_SIZE) : AT(ADDR(.text) - KERNEL_IMAGE_VADDR)
-	{
-		*(.text)
-	}
-
-	.data ALIGN(KERNEL_PAGE_SIZE) : AT(ADDR(.data) - KERNEL_IMAGE_VADDR)
-	{
-		*(.data)
-		*(.rodata*)
-	}
-
-	.bss ALIGN(KERNEL_PAGE_SIZE) : AT(ADDR(.bss) - KERNEL_IMAGE_VADDR)
-	{
-		*(.bss)
-		*(COMMON)
-	}
-}

mk/prologue.mk

@@ -1,4 +0,0 @@
-# Standard things
-sp 		:= $(sp).x
-dirstack_$(sp)	:= $(d)
-d		:= $(dir)

mk/stdrules.mk

@@ -1,33 +0,0 @@
-# The source rules.mk defines:
-# SRC_$(d) for all c source files
-# SRCAS_$(d) for all asm source files
-# SRCIN_$(d) for all in(preprocessor) source files
-# Compiles all c and in source files and generate dependencies
-# Adds c and asm object files to $OBJ variable
-# Adds all generated files to $CLEAN variable
-
-OBJ_$(d) := $(OBJ_$(d)) $(addprefix $(OUT)/, $(SRC_$(d):.c=.o))
-OBJAS_$(d) := $(OBJAS_$(d)) $(addprefix $(OUT)/, $(SRCAS_$(d):.asm=.a))
-OBJIN_$(d) := $(OBJIN_$(d)) $(addprefix $(OUT)/, $(SRCIN_$(d):.in=))
-DEP_$(d) := $(DEP_$(d)) $(addsuffix .d, $(OBJ_$(d)) $(OBJIN_$(d)))
-
-$(OUT)/$(d)/%.o: MOD:=$(MOD)
-
-$(OBJ_$(d)): $(OUT)/$(d)/%.o: $(d)/%.c
-	$(MKDIR)
-	$(COMP)
-
-$(OUT)/$(d)/%.a: MOD:=$(MOD)
-
-$(OBJAS_$(d)): $(OUT)/$(d)/%.a: $(d)/%.asm
-	$(MKDIR)
-	$(COMPAS)
-
-$(OBJIN_$(d)): $(OUT)/$(d)/%: $(d)/%.in
-	$(MKDIR)
-	$(PREP)
-
-# append all OBJECTS to OBJ
-OBJ := $(OBJ) $(OBJ_$(d)) $(OBJAS_$(d))
-
--include $(DEP_$(d))

runq.sh

@@ -1,4 +0,0 @@
-#!/bin/bash
-qemu-system-x86_64 -bios qemu_bios.bin -vnc :10 -monitor stdio -cdrom out/secxkrnl.iso -s -S -no-reboot
-
-

scripts/CMakeLists.txt

@@ -0,0 +1,20 @@
+set(SUBMODULE scripts)
+
+set(GRUB_SRC
+        ${CMAKE_CURRENT_SOURCE_DIR}/grub.cfg)
+
+set(LD_SRC
+        ${CMAKE_CURRENT_SOURCE_DIR}/linker.lds)
+
+include (${MK}/common.cmake)
+
+PP_GEN(${GRUB_SRC} GRUB_CFG)
+PP_GEN(${LD_SRC} LD_LDS)
+
+add_custom_target(${SUBMODULE}
+        DEPENDS ${GRUB_CFG}
+        DEPENDS ${LD_LDS})
+
+set(TARGET_${SUBMODULE} ${SUBMODULE} PARENT_SCOPE)
+set(SCRIPT_LD ${LD_LDS} PARENT_SCOPE)
+set(SCRIPT_GRUB ${GRUB_CFG} PARENT_SCOPE)

scripts/grub.cfg

@@ -0,0 +1,6 @@
+set timeout=0
+set default=0
+
+menuentry "fusion" {
+	multiboot2 fusion.elf
+}

scripts/linker.lds

@@ -0,0 +1,31 @@
+#define ASM_FILE
+#include <arch/mlayout.h>
+
+ENTRY(arch_init_32)
+
+SECTIONS
+{
+	. = KERNEL_IMG_VADDR + KERNEL_IMG_PADDR;
+
+	.multiboot_header ALIGN(KERNEL_PAGE_SIZE) : AT(ADDR(.multiboot_header) - KERNEL_IMG_VADDR)
+	{
+		*(.multiboot_header)
+	}
+
+	.text ALIGN(KERNEL_PAGE_SIZE) : AT(ADDR(.text) - KERNEL_IMG_VADDR)
+	{
+		*(.text)
+	}
+
+	.data ALIGN(KERNEL_PAGE_SIZE) : AT(ADDR(.data) - KERNEL_IMG_VADDR)
+	{
+		*(.data)
+		*(.rodata*)
+	}
+
+	.bss ALIGN(KERNEL_PAGE_SIZE) : AT(ADDR(.bss) - KERNEL_IMG_VADDR)
+	{
+		*(.bss)
+		*(COMMON)
+	}
+}