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lazymio
2021-11-01 09:41:25 +01:00
parent 3dd2e0f95d
commit 0a3e46bf4f
3 changed files with 16 additions and 36 deletions
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30
qemu/accel/tcg/translate-all.c
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@@ -980,32 +980,9 @@ static void tb_htable_init(struct uc_struct *uc)
qht_init(&uc->tcg_ctx->tb_ctx.htable, tb_cmp, CODE_GEN_HTABLE_SIZE, mode);
}
// GVA to GPA (GPA -> HVA via page_find, HVA->HPA via host mmu)
// Unicorn: Why addr - 1?
// 0: INC ecx
// 1: DEC edx <--- We put exit here, then the range of TB is [0, 1)
//
// While tb_invalidate_phys_range invalides [start, end)
//
// This function is designed to used with g_tree_foreach
static inline gboolean uc_exit_invalidate_iter(gpointer key, gpointer val, gpointer data) {
uint64_t exit = *((uint64_t*)key);
uc_engine* uc = (uc_engine*)data;
tb_page_addr_t start, end;
if (exit != 0) {
end = get_page_addr_code(uc->cpu->env_ptr, exit);
start = (end-1) ;
end = end & (target_ulong)(-1);
tb_invalidate_phys_range(uc, start, end);
}
return false;
}
static void uc_invalidate_tb(struct uc_struct *uc, uint64_t start_addr, size_t len) {
static void uc_invalidate_tb(struct uc_struct *uc, uint64_t start_addr, size_t len)
{
tb_page_addr_t start, end;
// GVA to GPA (GPA -> HVA via page_find, HVA->HPA via host mmu)
@@ -1022,7 +999,8 @@ static void uc_invalidate_tb(struct uc_struct *uc, uint64_t start_addr, size_t l
tb_invalidate_phys_range(uc, start, end);
}
static TranslationBlock* uc_gen_tb(struct uc_struct *uc, uint64_t addr) {
static TranslationBlock* uc_gen_tb(struct uc_struct *uc, uint64_t addr)
{
TranslationBlock *tb;
target_ulong cs_base, pc;
CPUState *cpu = uc->cpu;