ARM: remove old pmap-v6 code. The new pmap-v6 is mature enough, and
dual implementation is showstopper for major cleanup. This patch only removes old code from tree. Cleanups will follow asap.
This commit is contained in:
Michal Meloun
parent
05ef7ed17b
commit
41a7c569b0
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=295036
@ -61,16 +61,16 @@ __FBSDID("$FreeBSD$");
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ASSYM(KERNBASE, KERNBASE);
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ASSYM(PCB_NOALIGNFLT, PCB_NOALIGNFLT);
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#ifdef ARM_NEW_PMAP
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#if __ARM_ARCH >= 6
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ASSYM(CPU_ASID_KERNEL,CPU_ASID_KERNEL);
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#endif
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ASSYM(PCB_ONFAULT, offsetof(struct pcb, pcb_onfault));
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#ifndef ARM_NEW_PMAP
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#if __ARM_ARCH < 6
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ASSYM(PCB_DACR, offsetof(struct pcb, pcb_dacr));
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#endif
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ASSYM(PCB_FLAGS, offsetof(struct pcb, pcb_flags));
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ASSYM(PCB_PAGEDIR, offsetof(struct pcb, pcb_pagedir));
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#ifndef ARM_NEW_PMAP
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#if __ARM_ARCH < 6
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ASSYM(PCB_L1VEC, offsetof(struct pcb, pcb_l1vec));
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ASSYM(PCB_PL1VEC, offsetof(struct pcb, pcb_pl1vec));
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#endif
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@ -30,6 +30,7 @@
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#include "assym.s"
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#include <sys/syscall.h>
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#include <machine/acle-compat.h>
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#include <machine/asm.h>
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#include <machine/asmacros.h>
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#include <machine/armreg.h>
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@ -39,11 +40,6 @@
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__FBSDID("$FreeBSD$");
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#ifndef ARM_NEW_PMAP
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#define PTE1_OFFSET L1_S_OFFSET
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#define PTE1_SHIFT L1_S_SHIFT
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#define PTE1_SIZE L1_S_SIZE
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#endif
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#if __ARM_ARCH >= 7
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#if defined(__ARM_ARCH_7VE__) || defined(__clang__)
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@ -287,7 +283,6 @@ ASENTRY_NP(init_mmu)
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mov r0, #((DOMAIN_CLIENT << (PMAP_DOMAIN_KERNEL*2)) | DOMAIN_CLIENT)
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mcr CP15_DACR(r0)
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#ifdef ARM_NEW_PMAP
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/*
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* Set TEX remap registers
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* - All is set to uncacheable memory
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@ -296,7 +291,6 @@ ASENTRY_NP(init_mmu)
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mcr CP15_PRRR(r0)
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mov r0, #0
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mcr CP15_NMRR(r0)
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#endif
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mcr CP15_TLBIALL /* Flush TLB */
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DSB
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ISB
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@ -305,9 +299,7 @@ ASENTRY_NP(init_mmu)
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mrc CP15_SCTLR(r0)
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orr r0, r0, #CPU_CONTROL_MMU_ENABLE
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orr r0, r0, #CPU_CONTROL_V6_EXTPAGE
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#ifdef ARM_NEW_PMAP
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orr r0, r0, #CPU_CONTROL_TR_ENABLE
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#endif
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orr r0, r0, #CPU_CONTROL_AF_ENABLE
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mcr CP15_SCTLR(r0)
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DSB
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@ -398,23 +390,11 @@ END(reinit_mmu)
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* Addresses must be 1MiB aligned
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*/
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build_device_pagetables:
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#if defined(ARM_NEW_PMAP)
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ldr r4, =PTE1_V|PTE1_A|PTE1_AP_KRW|TEX1_CLASS_0
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#elif defined(SMP)
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ldr r4, =(L1_TYPE_S|L1_S_AP(AP_KRW)|L1_SHARED)
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#else
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ldr r4, =(L1_TYPE_S|L1_S_AP(AP_KRW))
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#endif
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b 1f
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build_pagetables:
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/* Set the required page attributed */
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#if defined(ARM_NEW_PMAP)
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ldr r4, =PTE1_V|PTE1_A|PTE1_AP_KRW|TEX1_CLASS_0
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#elif defined(SMP)
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ldr r4, =(L1_TYPE_S|L1_S_C|L1_S_AP(AP_KRW)|L1_SHARED)
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#else
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ldr r4, =(L1_TYPE_S|L1_S_C|L1_S_AP(AP_KRW))
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#endif
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1:
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orr r1, r4
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@ -199,7 +199,7 @@ static char *loader_envp;
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vm_paddr_t pmap_pa;
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#ifdef ARM_NEW_PMAP
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#if __ARM_ARCH >= 6
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vm_offset_t systempage;
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vm_offset_t irqstack;
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vm_offset_t undstack;
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@ -456,7 +456,7 @@ cpu_startup(void *dummy)
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pcb->pcb_regs.sf_sp = (u_int)thread0.td_kstack +
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USPACE_SVC_STACK_TOP;
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pmap_set_pcb_pagedir(pmap_kernel(), pcb);
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#ifndef ARM_NEW_PMAP
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#if __ARM_ARCH < 6
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vector_page_setprot(VM_PROT_READ);
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pmap_postinit();
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#endif
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@ -1283,7 +1283,7 @@ arm_predict_branch(void *cookie, u_int insn, register_t pc, register_t *new_pc,
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}
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}
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#ifdef ARM_NEW_PMAP
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#if __ARM_ARCH >= 6
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void
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set_stackptrs(int cpu)
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{
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@ -1447,7 +1447,7 @@ print_kenv(void)
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debugf(" %x %s\n", (uint32_t)cp, cp);
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}
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#ifndef ARM_NEW_PMAP
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#if __ARM_ARCH < 6
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void *
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initarm(struct arm_boot_params *abp)
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{
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@ -1717,7 +1717,7 @@ initarm(struct arm_boot_params *abp)
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return ((void *)(kernelstack.pv_va + USPACE_SVC_STACK_TOP -
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sizeof(struct pcb)));
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}
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#else /* !ARM_NEW_PMAP */
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#else /* __ARM_ARCH < 6 */
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void *
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initarm(struct arm_boot_params *abp)
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{
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@ -1905,7 +1905,7 @@ initarm(struct arm_boot_params *abp)
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}
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#endif /* !ARM_NEW_PMAP */
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#endif /* __ARM_ARCH < 6 */
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#endif /* FDT */
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uint32_t (*arm_cpu_fill_vdso_timehands)(struct vdso_timehands *,
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@ -63,6 +63,7 @@ __FBSDID("$FreeBSD$");
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#include <vm/pmap.h>
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#include <vm/vm_extern.h>
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#include <machine/acle-compat.h>
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#include <machine/memdev.h>
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#include <machine/vmparam.h>
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@ -113,7 +114,7 @@ memrw(struct cdev *dev, struct uio *uio, int flags)
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return (EINVAL);
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sx_xlock(&tmppt_lock);
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pmap_kenter((vm_offset_t)_tmppt, v);
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#ifdef ARM_NEW_PMAP
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#if __ARM_ARCH >= 6
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pmap_tlb_flush(kernel_pmap, (vm_offset_t)_tmppt);
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#endif
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o = (int)uio->uio_offset & PAGE_MASK;
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@ -43,6 +43,7 @@ __FBSDID("$FreeBSD$");
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#include <vm/vm_kern.h>
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#include <vm/pmap.h>
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#include <machine/acle-compat.h>
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#include <machine/armreg.h>
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#include <machine/cpu.h>
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#include <machine/cpufunc.h>
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@ -155,7 +156,7 @@ init_secondary(int cpu)
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#ifndef ARM_INTRNG
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int start = 0, end = 0;
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#endif
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#ifdef ARM_NEW_PMAP
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#if __ARM_ARCH >= 6
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uint32_t actlr_mask, actlr_set;
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pmap_set_tex();
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@ -167,11 +168,11 @@ init_secondary(int cpu)
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set_stackptrs(cpu);
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enable_interrupts(PSR_A);
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#else /* ARM_NEW_PMAP */
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#else /* __ARM_ARCH >= 6 */
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cpu_setup();
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setttb(pmap_pa);
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cpu_tlb_flushID();
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#endif /* ARM_NEW_PMAP */
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#endif /* __ARM_ARCH >= 6 */
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pc = &__pcpu[cpu];
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/*
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@ -183,7 +184,7 @@ init_secondary(int cpu)
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pcpu_init(pc, cpu, sizeof(struct pcpu));
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dpcpu_init(dpcpu[cpu - 1], cpu);
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#ifndef ARM_NEW_PMAP
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#if __ARM_ARCH < 6
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/* Provide stack pointers for other processor modes. */
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set_stackptrs(cpu);
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#endif
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File diff suppressed because it is too large
Load Diff
@ -114,7 +114,7 @@ __FBSDID("$FreeBSD$");
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.word _C_LABEL(blocked_lock)
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#ifndef ARM_NEW_PMAP
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#if __ARM_ARCH < 6
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#define DOMAIN_CLIENT 0x01
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@ -418,7 +418,7 @@ ENTRY(cpu_switch)
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END(cpu_switch)
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#else /* !ARM_NEW_PMAP */
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#else /* __ARM_ARCH < 6 */
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#include <machine/sysreg.h>
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ENTRY(cpu_context_switch) /* QQQ: What about macro instead of function? */
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@ -789,7 +789,7 @@ sw4_panic_str:
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END(cpu_switch)
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#endif /* !ARM_NEW_PMAP */
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#endif /* __ARM_ARCH < 6 */
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ENTRY(savectx)
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stmfd sp!, {lr}
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@ -334,13 +334,11 @@ abort_handler(struct trapframe *tf, int prefetch)
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* they are not from KVA space. Thus, no action is needed here.
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*/
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#ifdef ARM_NEW_PMAP
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rv = pmap_fault(PCPU_GET(curpmap), far, fsr, idx, usermode);
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if (rv == KERN_SUCCESS)
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return;
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if (rv == KERN_INVALID_ADDRESS)
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goto nogo;
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#endif
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/*
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* Now, when we handled imprecise and debug aborts, the rest of
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* aborts should be really related to mapping.
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@ -488,13 +486,6 @@ abort_handler(struct trapframe *tf, int prefetch)
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last_fault_code = fsr;
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#endif
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#ifndef ARM_NEW_PMAP
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if (pmap_fault_fixup(vmspace_pmap(td->td_proc->p_vmspace), va, ftype,
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usermode)) {
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goto out;
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}
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#endif
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#ifdef INVARIANTS
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onfault = pcb->pcb_onfault;
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pcb->pcb_onfault = NULL;
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@ -37,8 +37,6 @@ options KBD_INSTALL_CDEV # install a CDEV entry in /dev
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options FREEBSD_BOOT_LOADER # Process metadata passed from loader(8)
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options VFP # Enable floating point hardware support
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options ARM_NEW_PMAP # Use new pmap code.
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# DTrace support
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options KDTRACE_HOOKS # Kernel DTrace hooks
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options DDB_CTF # all architectures - kernel ELF linker loads CTF data
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@ -4,8 +4,10 @@
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#ifndef _MACHDEP_BOOT_MACHDEP_H_
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#define _MACHDEP_BOOT_MACHDEP_H_
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#include <machine/acle-compat.h>
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/* Structs that need to be initialised by initarm */
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#ifdef ARM_NEW_PMAP
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#if __ARM_ARCH >= 6
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extern vm_offset_t irqstack;
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extern vm_offset_t undstack;
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extern vm_offset_t abtstack;
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@ -46,9 +46,11 @@
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*
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* $FreeBSD$
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*/
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#ifdef ARM_NEW_PMAP
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#include <machine/acle-compat.h>
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#if __ARM_ARCH >= 6
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#include <machine/pmap-v6.h>
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#else /* ARM_NEW_PMAP */
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#else /* __ARM_ARCH >= 6 */
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#ifndef _MACHINE_PMAP_H_
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#define _MACHINE_PMAP_H_
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@ -704,4 +706,4 @@ extern vm_paddr_t dump_avail[];
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#endif /* !LOCORE */
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#endif /* !_MACHINE_PMAP_H_ */
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#endif /* !ARM_NEW_PMAP */
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#endif /* __ARM_ARCH >= 6 */
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@ -33,9 +33,11 @@
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*
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* $FreeBSD$
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*/
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#ifdef ARM_NEW_PMAP
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#include <machine/acle-compat.h>
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#if __ARM_ARCH >= 6
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#include <machine/pte-v6.h>
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#else /* ARM_NEW_PMAP */
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#else /* __ARM_ARCH >= 6 */
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#ifndef _MACHINE_PTE_H_
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#define _MACHINE_PTE_H_
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@ -356,6 +358,6 @@ typedef pt_entry_t pt2_entry_t; /* compatibility with v6 */
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* 1 X 1 1 1 Y Y WT Y Y
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*/
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#endif /* !_MACHINE_PTE_H_ */
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#endif /* !ARM_NEW_PMAP */
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#endif /* __ARM_ARCH >= 6 */
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/* End of pte.h */
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@ -29,11 +29,13 @@
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#ifndef _MACHINE_SF_BUF_H_
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#define _MACHINE_SF_BUF_H_
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#include <machine/acle-compat.h>
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static inline void
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sf_buf_map(struct sf_buf *sf, int flags)
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{
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#ifdef ARM_NEW_PMAP
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#if __ARM_ARCH >= 6
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pmap_qenter(sf->kva, &(sf->m), 1);
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#else
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pmap_kenter(sf->kva, VM_PAGE_TO_PHYS(sf->m));
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@ -44,7 +46,7 @@ static inline int
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sf_buf_unmap(struct sf_buf *sf)
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{
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#ifdef ARM_NEW_PMAP
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#if __ARM_ARCH >= 6
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pmap_qremove(sf->kva, 1);
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#else
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pmap_kremove(sf->kva);
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@ -29,7 +29,9 @@
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#ifndef _MACHINE_VM_H_
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#define _MACHINE_VM_H_
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#ifdef ARM_NEW_PMAP
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#include <machine/acle-compat.h>
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#if __ARM_ARCH >= 6
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#include <machine/pte-v6.h>
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#define VM_MEMATTR_WB_WA ((vm_memattr_t)PTE2_ATTR_WB_WA)
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@ -40,9 +42,11 @@
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#define VM_MEMATTR_DEFAULT VM_MEMATTR_WB_WA
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#define VM_MEMATTR_UNCACHEABLE VM_MEMATTR_SO /* misused by DMA */
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#ifdef _KERNEL
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/* Don't export aliased VM_MEMATTR to userland */
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#define VM_MEMATTR_WRITE_COMBINING VM_MEMATTR_WT /* for DRM */
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#define VM_MEMATTR_WRITE_BACK VM_MEMATTR_WB_WA /* for DRM */
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#endif
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#else
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/* Memory attribute configuration. */
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#define VM_MEMATTR_DEFAULT 0
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@ -64,8 +64,7 @@ arm/arm/pl310.c optional pl310
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arm/arm/platform.c optional platform
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arm/arm/platform_if.m optional platform
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arm/arm/pmap.c optional !armv6
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arm/arm/pmap-v6.c optional armv6 !arm_new_pmap
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arm/arm/pmap-v6-new.c optional armv6 arm_new_pmap
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arm/arm/pmap-v6-new.c optional armv6
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arm/arm/pmu.c optional pmu | fdt hwpmc
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arm/arm/sc_machdep.c optional sc
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arm/arm/setcpsr.S standard
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@ -5,7 +5,6 @@ ARM_INTRNG opt_global.h
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ARM_KERN_DIRECTMAP opt_vm.h
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ARM_L2_PIPT opt_global.h
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ARM_MANY_BOARD opt_global.h
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ARM_NEW_PMAP opt_global.h
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NKPT2PG opt_pmap.h
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ARM_WANT_TP_ADDRESS opt_global.h
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COUNTS_PER_SEC opt_timer.h
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