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exec: provide tb_invalidate_phys_addr function 

Allow TB invalidation by its physical address, extract implementation
from the breakpoint_invalidate function.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Max Filippov 2012-04-10 02:48:17 +04:00 committed by Blue Swirl
parent 2050396801
commit 1e7855a558
2 changed files with 7 additions and 3 deletions
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1
exec-all.h
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@ -102,6 +102,7 @@ void tlb_flush(CPUArchState *env, int flush_global);
void tlb_set_page(CPUArchState *env, target_ulong vaddr, void tlb_set_page(CPUArchState *env, target_ulong vaddr,
target_phys_addr_t paddr, int prot, target_phys_addr_t paddr, int prot,
int mmu_idx, target_ulong size); int mmu_idx, target_ulong size);
void tb_invalidate_phys_addr(target_phys_addr_t addr);
#endif #endif
#define CODE_GEN_ALIGN 16 /* must be >= of the size of a icache line */ #define CODE_GEN_ALIGN 16 /* must be >= of the size of a icache line */

9
exec.c
View File

@ -1463,13 +1463,11 @@ static void breakpoint_invalidate(CPUArchState *env, target_ulong pc)
tb_invalidate_phys_page_range(pc, pc + 1, 0); tb_invalidate_phys_page_range(pc, pc + 1, 0);
} }
#else #else
static void breakpoint_invalidate(CPUArchState *env, target_ulong pc) void tb_invalidate_phys_addr(target_phys_addr_t addr)
{ {
target_phys_addr_t addr;
ram_addr_t ram_addr; ram_addr_t ram_addr;
MemoryRegionSection *section; MemoryRegionSection *section;
addr = cpu_get_phys_page_debug(env, pc);
section = phys_page_find(addr >> TARGET_PAGE_BITS); section = phys_page_find(addr >> TARGET_PAGE_BITS);
if (!(memory_region_is_ram(section->mr) if (!(memory_region_is_ram(section->mr)
|| (section->mr->rom_device && section->mr->readable))) { || (section->mr->rom_device && section->mr->readable))) {
@ -1479,6 +1477,11 @@ static void breakpoint_invalidate(CPUArchState *env, target_ulong pc)
+ section_addr(section, addr); + section_addr(section, addr);
tb_invalidate_phys_page_range(ram_addr, ram_addr + 1, 0); tb_invalidate_phys_page_range(ram_addr, ram_addr + 1, 0);
} }
static void breakpoint_invalidate(CPUArchState *env, target_ulong pc)
{
tb_invalidate_phys_addr(cpu_get_phys_page_debug(env, pc));
}
#endif #endif
#endif /* TARGET_HAS_ICE */ #endif /* TARGET_HAS_ICE */