add virtuall tlb

this virtuall tlb allows to use mmu indipendent of the architectur
This commit is contained in:
Takacs, Philipp
2022-10-05 16:53:24 +02:00
parent 759d694e24
commit e25419bb2d
36 changed files with 434 additions and 25 deletions

View File

@@ -1384,6 +1384,36 @@ static void test_x86_mmu(void)
TEST_CHECK(child == 42);
}
static bool test_x86_vtlb_callback(uc_engine *uc, uint64_t addr, uc_mem_type type, uc_tlb_entry *result, void *user_data)
{
result->paddr = addr;
result->perms = UC_PROT_ALL;
return true;
}
static void test_x86_vtlb(void)
{
uc_engine *uc;
uc_hook hook;
char code[] = "\xeb\x02\x90\x90\x90\x90\x90\x90"; // jmp 4; nop; nop; nop;
// nop; nop; nop
uint64_t r_eip = 0;
uc_common_setup(&uc, UC_ARCH_X86, UC_MODE_32, code, sizeof(code) - 1);
OK(uc_ctl_tlb_mode(uc, UC_TLB_VIRTUAL));
OK(uc_hook_add(uc, &hook, UC_HOOK_TLB_FILL, test_x86_vtlb_callback, NULL, 1, 0));
OK(uc_emu_start(uc, code_start, code_start + 4, 0, 0));
OK(uc_reg_read(uc, UC_X86_REG_EIP, &r_eip));
TEST_CHECK(r_eip == code_start + 4);
OK(uc_close(uc));
}
TEST_LIST = {
{"test_x86_in", test_x86_in},
{"test_x86_out", test_x86_out},
@@ -1428,4 +1458,5 @@ TEST_LIST = {
{"test_x86_lazy_mapping", test_x86_lazy_mapping},
{"test_x86_16_incorrect_ip", test_x86_16_incorrect_ip},
{"test_x86_mmu", test_x86_mmu},
{"test_x86_vtlb", test_x86_vtlb},
{NULL, NULL}};