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Implement UC_HOOK_INSN for aarch64 MRS/MSR/SYS/SYSL

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lazymio
2022-02-27 14:59:52 +01:00
parent 8e2f70a35b
commit e5207a1363
7 changed files with 186 additions and 0 deletions
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35
qemu/target/arm/op_helper.c
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@@ -932,3 +932,38 @@ uint32_t HELPER(ror_cc)(CPUARMState *env, uint32_t x, uint32_t i)
return ((uint32_t)x >> shift) | (x << (32 - shift));
}
}
uint32_t HELPER(uc_hooksys64)(CPUARMState *env, uint32_t insn, void *hk)
{
uc_arm64_reg uc_rt;
struct hook *hook = (struct hook*)hk;
uc_arm64_cp_reg cp_reg;
uint32_t rt;
if (hook->to_delete) {
return 0;
}
rt = extract32(insn, 0, 5);
cp_reg.op0 = extract32(insn, 19, 2);
cp_reg.op1 = extract32(insn, 16, 3);
cp_reg.crn = extract32(insn, 12, 4);
cp_reg.crm = extract32(insn, 8, 4);
cp_reg.op2 = extract32(insn, 5, 3);
if (rt <= 28 && rt >= 0) {
uc_rt = UC_ARM64_REG_X0 + rt;
cp_reg.val = env->xregs[rt];
} else if (rt == 29 ) {
uc_rt = UC_ARM64_REG_X29;
cp_reg.val = env->xregs[29];
} else if (rt == 30) {
uc_rt = UC_ARM64_REG_X30;
cp_reg.val = env->xregs[30];
} else {
uc_rt = UC_ARM64_REG_XZR;
cp_reg.val = 0;
}
return ((uc_cb_insn_sys_t)(hook->callback))(env->uc, uc_rt, &cp_reg, hook->user_data);
}