diff options
| author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2004-04-25 17:57:43 +0000 |
|---|---|---|
| committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2004-04-25 17:57:43 +0000 |
| commit | d720b93d0bcfe1beb729245b9ed1e5f071a24bd5 (patch) | |
| tree | 4f9d65b82b9eb8bd65681cfde6bb18e7b6bd2eae /softmmu_template.h | |
| parent | eeab3a558f89e30ee93ef628bcbd6a3f64b9b8a6 (diff) | |
precise self modifying code support
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@745 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'softmmu_template.h')
| -rw-r--r-- | softmmu_template.h | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/softmmu_template.h b/softmmu_template.h index 2203c5a5ca..413c5997b0 100644 --- a/softmmu_template.h +++ b/softmmu_template.h @@ -70,20 +70,23 @@ static inline DATA_TYPE glue(io_read, SUFFIX)(unsigned long physaddr, static inline void glue(io_write, SUFFIX)(unsigned long physaddr, DATA_TYPE val, - unsigned long tlb_addr) + unsigned long tlb_addr, + void *retaddr) { int index; index = (tlb_addr >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1); + env->mem_write_vaddr = tlb_addr; + env->mem_write_pc = (unsigned long)retaddr; #if SHIFT <= 2 - io_mem_write[index][SHIFT](physaddr, val, tlb_addr); + io_mem_write[index][SHIFT](physaddr, val); #else #ifdef TARGET_WORDS_BIGENDIAN - io_mem_write[index][2](physaddr, val >> 32, tlb_addr); - io_mem_write[index][2](physaddr + 4, val, tlb_addr); + io_mem_write[index][2](physaddr, val >> 32); + io_mem_write[index][2](physaddr + 4, val); #else - io_mem_write[index][2](physaddr, val, tlb_addr); - io_mem_write[index][2](physaddr + 4, val >> 32, tlb_addr); + io_mem_write[index][2](physaddr, val); + io_mem_write[index][2](physaddr + 4, val >> 32); #endif #endif /* SHIFT > 2 */ } @@ -193,7 +196,8 @@ void REGPARM(2) glue(glue(__st, SUFFIX), MMUSUFFIX)(unsigned long addr, /* IO access */ if ((addr & (DATA_SIZE - 1)) != 0) goto do_unaligned_access; - glue(io_write, SUFFIX)(physaddr, val, tlb_addr); + retaddr = GETPC(); + glue(io_write, SUFFIX)(physaddr, val, tlb_addr, retaddr); } else if (((addr & 0xfff) + DATA_SIZE - 1) >= TARGET_PAGE_SIZE) { do_unaligned_access: retaddr = GETPC(); @@ -229,7 +233,7 @@ static void glue(glue(slow_st, SUFFIX), MMUSUFFIX)(unsigned long addr, /* IO access */ if ((addr & (DATA_SIZE - 1)) != 0) goto do_unaligned_access; - glue(io_write, SUFFIX)(physaddr, val, tlb_addr); + glue(io_write, SUFFIX)(physaddr, val, tlb_addr, retaddr); } else if (((addr & 0xfff) + DATA_SIZE - 1) >= TARGET_PAGE_SIZE) { do_unaligned_access: /* XXX: not efficient, but simple */ |