diff options
| author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2005-11-28 21:19:04 +0000 |
|---|---|---|
| committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2005-11-28 21:19:04 +0000 |
| commit | 84b7b8e778937f1ec3cbdb8914261a2fe0067ef2 (patch) | |
| tree | e72030ed083977fca23c33bef2f047e055e3fea8 /cpu-defs.h | |
| parent | 5cf3839607a6883a16fe65124d2f8f244de0f8ac (diff) | |
PAGE_EXEC support in TLBs
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1676 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'cpu-defs.h')
| -rw-r--r-- | cpu-defs.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/cpu-defs.h b/cpu-defs.h index e095f8566f..665158a381 100644 --- a/cpu-defs.h +++ b/cpu-defs.h @@ -80,7 +80,8 @@ typedef unsigned long ram_addr_t; #define TB_JMP_CACHE_BITS 12 #define TB_JMP_CACHE_SIZE (1 << TB_JMP_CACHE_BITS) -#define CPU_TLB_SIZE 256 +#define CPU_TLB_BITS 8 +#define CPU_TLB_SIZE (1 << CPU_TLB_BITS) typedef struct CPUTLBEntry { /* bit 31 to TARGET_PAGE_BITS : virtual address @@ -89,7 +90,9 @@ typedef struct CPUTLBEntry { bit 3 : indicates that the entry is invalid bit 2..0 : zero */ - target_ulong address; + target_ulong addr_read; + target_ulong addr_write; + target_ulong addr_code; /* addend to virtual address to get physical address */ target_phys_addr_t addend; } CPUTLBEntry; @@ -105,8 +108,7 @@ typedef struct CPUTLBEntry { target_ulong mem_write_vaddr; /* target virtual addr at which the \ memory was written */ \ /* 0 = kernel, 1 = user */ \ - CPUTLBEntry tlb_read[2][CPU_TLB_SIZE]; \ - CPUTLBEntry tlb_write[2][CPU_TLB_SIZE]; \ + CPUTLBEntry tlb_table[2][CPU_TLB_SIZE]; \ struct TranslationBlock *tb_jmp_cache[TB_JMP_CACHE_SIZE]; \ \ /* from this point: preserved by CPU reset */ \ |