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This commit is contained in:
quackerd 2020-07-09 23:54:12 +08:00
parent e573ec96b8
commit 8318ca688d
Signed by: d
GPG Key ID: 590A22374D0B819F
6 changed files with 19 additions and 51 deletions
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2
arch/brute.c
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@ -3,5 +3,5 @@
ATTR_NORETURN void ATTR_NORETURN void
arch_brute() arch_brute()
{ {
while(1) {} while (1) {}
} }

12
arch/cpu.asm
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@ -10,7 +10,7 @@ global arch_read_cr3
global arch_write_cr3 global arch_write_cr3
global arch_read_cr8 global arch_read_cr8
global arch_write_cr8 global arch_write_cr8
global arch_cpuid global archp_cpuid
global arch_halt_cpu global arch_halt_cpu
global arch_read_msr global arch_read_msr
global arch_write_msr global arch_write_msr
@ -102,15 +102,15 @@ mov cr8,rdi
ret ret
;====================== ;======================
global arch_halt global archp_halt
arch_halt: archp_halt:
hlt hlt
; ============================ ; ============================
; extern void KAPI arch_cpuid(uint32* eax, uint32* ebx, uint32* ecx, uint32* edx); ; extern void KAPI archp_cpuid(uint32* eax, uint32* ebx, uint32* ecx, uint32* edx);
global arch_cpuid global archp_cpuid
arch_cpuid: archp_cpuid:
push rbp push rbp
mov rbp,rsp mov rbp,rsp
; preserve rbx,rcx,rdx ; preserve rbx,rcx,rdx

43
arch/cpu.h
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@ -13,51 +13,12 @@ struct ATTR_PACKED hal_idt_ptr {
uint64 base; uint64 base;
}; };
void KABI out_8(uint16 port, uint8 data);
void KABI out_16(uint16 port, uint16 data);
void KABI out_32(uint16 port, uint32 data);
uint8 KABI in_8(uint16 port);
uint16 KABI in_16(uint16 port);
uint32 KABI in_32(uint16 port);
void KABI flush_gdt(void *gdt_ptr, uint16 code_slct, uint16 data_slct);
void KABI flush_idt(void *idt_ptr);
void KABI flush_tss(uint16 tss_slct);
void KABI cpuid(uint32 *eax, uint32 *ebx, uint32 *ecx, uint32 *edx);
void KABI read_msr(uint32 *ecx, uint32 *edx, uint32 *eax);
void KABI write_msr(uint32 *ecx, uint32 *edx, uint32 *eax);
void KABI sti();
void KABI cli();
uint64 KABI read_cr8();
void KABI write_cr8(uint64 val);
uint64 KABI read_cr3();
void KABI write_cr3(uint64 val);
void KABI flush_tlb();
/** /**
* ASM declaration * ASM declaration
*/ */
void KABI arch_cpuid(uint32 *eax, uint32 *ebx, uint32 *ecx, uint32 *edx); void KABI archp_cpuid(uint32 *eax, uint32 *ebx, uint32 *ecx, uint32 *edx);
void KABI arch_halt(void); void KABI archp_halt(void);
void KABI arch_flush_gdt(struct hal_gdt_ptr *gdt_ptr, uint64 code_slct, uint64 data_slct); void KABI arch_flush_gdt(struct hal_gdt_ptr *gdt_ptr, uint64 code_slct, uint64 data_slct);

4
arch/intr.c
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@ -73,7 +73,7 @@ populate_idt(void)
} }
void void
arch_intr_init(void) archp_intr_init(void)
{ {
uint32 coreid; uint32 coreid;
uint32 eax; uint32 eax;
@ -83,7 +83,7 @@ arch_intr_init(void)
// detect APIC first // detect APIC first
eax = 1; eax = 1;
arch_cpuid(&eax, &ebx, &ecx, &edx); archp_cpuid(&eax, &ebx, &ecx, &edx);
if (!(edx & (1u << 9u))) { if (!(edx & (1u << 9u))) {
BRUTE("ERROR: APIC is not present.\n"); BRUTE("ERROR: APIC is not present.\n");
} }

7
arch/main.c
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@ -5,6 +5,7 @@
#include <arch/brute.h> #include <arch/brute.h>
#include <arch/mlayout.h> #include <arch/mlayout.h>
#include <arch/pmap.h> #include <arch/pmap.h>
#include <arch/intr.h>
#include <mm/phys.h> #include <mm/phys.h>
#include "multiboot2.h" #include "multiboot2.h"
@ -60,6 +61,12 @@ proc_mbinfo(void *mb_info)
if (!mmap_detected) { if (!mmap_detected) {
BRUTE("proc_mbinfo: could not find MMAP tag."); BRUTE("proc_mbinfo: could not find MMAP tag.");
} }
// initialize interrupts
archp_intr_init();
// initialize memory
archp_mem_init();
} }
ATTR_USED void ATTR_USED void

2
inc/arch/intr.h
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@ -36,7 +36,7 @@ struct interrupt_context
* C declaration * C declaration
*/ */
void void
arch_intr_init(void); archp_intr_init(void);
/** /**
* Exported Dispatchers for asm code * Exported Dispatchers for asm code