motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-05 16:53:55 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

precise self modifying code support

Browse source 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@745 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-04-25 17:57:43 +00:00
parent eeab3a558f
commit d720b93d0b
9 changed files with 259 additions and 129 deletions
Download patch file Download diff file Expand all files Collapse all files

20
softmmu_template.h
View file

@ -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 */