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precise self modifying code support

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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
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7
target-ppc/cpu.h
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@ -164,6 +164,13 @@ typedef struct CPUPPCState {
int user_mode_only; /* user mode only simulation */
struct TranslationBlock *current_tb; /* currently executing TB */
/* soft mmu support */
/* in order to avoid passing too many arguments to the memory
write helpers, we store some rarely used information in the CPU
context) */
unsigned long mem_write_pc; /* host pc at which the memory was
written */
unsigned long mem_write_vaddr; /* target virtual addr at which the
memory was written */
/* 0 = kernel, 1 = user (may have 2 = kernel code, 3 = user code ?) */
CPUTLBEntry tlb_read[2][CPU_TLB_SIZE];
CPUTLBEntry tlb_write[2][CPU_TLB_SIZE];