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difference between stop_request and quit_request

Browse Source 
quit_request is for internal use. This means the IP register was updated and
qemu needs to rebuild the translation blocks.

stop_request is set by the user (uc_emu_stop) to indecate that unicorn sould
stop emulating.
This commit is contained in:
Takacs, Philipp
2023-03-06 15:35:01 +01:00
parent ca7e0e7f42
commit b7b1a4d6b4
13 changed files with 70 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
qemu/softmmu/cpus.c
View File

@@ -96,7 +96,7 @@ static int tcg_cpu_exec(struct uc_struct *uc)
r = cpu_exec(uc, cpu);
// quit current TB but continue emulating?
if (uc->quit_request) {
if (uc->quit_request && !uc->stop_request) {
// reset stop_request
uc->stop_request = false;

2
qemu/target/arm/unicorn_aarch64.c
View File

@@ -372,7 +372,7 @@ int arm64_reg_write(struct uc_struct *uc, unsigned int *regs, void *const *vals,
if (regid == UC_ARM64_REG_PC) {
// force to quit execution and flush TB
uc->quit_request = true;
uc_emu_stop(uc);
break_translation_loop(uc);
}
}

2
qemu/target/arm/unicorn_arm.c
View File

@@ -515,7 +515,7 @@ int arm_reg_write(struct uc_struct *uc, unsigned int *regs, void *const *vals,
if (regid == UC_ARM_REG_R15) {
// force to quit execution and flush TB
uc->quit_request = true;
uc_emu_stop(uc);
break_translation_loop(uc);
}
}

4
qemu/target/i386/unicorn.c
View File

@@ -1521,7 +1521,7 @@ int x86_reg_write(struct uc_struct *uc, unsigned int *regs, void *const *vals,
case UC_X86_REG_IP:
// force to quit execution and flush TB
uc->quit_request = true;
uc_emu_stop(uc);
break_translation_loop(uc);
break;
}
@@ -1535,7 +1535,7 @@ int x86_reg_write(struct uc_struct *uc, unsigned int *regs, void *const *vals,
case UC_X86_REG_IP:
// force to quit execution and flush TB
uc->quit_request = true;
uc_emu_stop(uc);
break_translation_loop(uc);
break;
}
#endif

2
qemu/target/m68k/unicorn.c
View File

@@ -117,7 +117,7 @@ int m68k_reg_write(struct uc_struct *uc, unsigned int *regs, void *const *vals,
if (regid == UC_M68K_REG_PC) {
// force to quit execution and flush TB
uc->quit_request = true;
uc_emu_stop(uc);
break_translation_loop(uc);
}
}

2
qemu/target/mips/unicorn.c
View File

@@ -170,7 +170,7 @@ int mips_reg_write(struct uc_struct *uc, unsigned int *regs, void *const *vals,
if (regid == UC_MIPS_REG_PC) {
// force to quit execution and flush TB
uc->quit_request = true;
uc_emu_stop(uc);
break_translation_loop(uc);
}
}

2
qemu/target/ppc/unicorn.c
View File

@@ -361,7 +361,7 @@ int ppc_reg_write(struct uc_struct *uc, unsigned int *regs, void *const *vals,
if (regid == UC_PPC_REG_PC) {
// force to quit execution and flush TB
uc->quit_request = true;
uc_emu_stop(uc);
break_translation_loop(uc);
}
}

2
qemu/target/riscv/unicorn.c
View File

@@ -560,7 +560,7 @@ int riscv_reg_write(struct uc_struct *uc, unsigned int *regs, void *const *vals,
if (regid == UC_RISCV_REG_PC) {
// force to quit execution and flush TB
uc->quit_request = true;
uc_emu_stop(uc);
break_translation_loop(uc);
}
}

2
qemu/target/s390x/unicorn.c
View File

@@ -130,7 +130,7 @@ static int s390_reg_write(struct uc_struct *uc, unsigned int *regs,
if (regid == UC_S390X_REG_PC) {
// force to quit execution and flush TB
uc->quit_request = true;
uc_emu_stop(uc);
break_translation_loop(uc);
}
}

2
qemu/target/tricore/unicorn.c
View File

@@ -229,7 +229,7 @@ int tricore_reg_write(struct uc_struct *uc, unsigned int *regs,
if (regid == UC_TRICORE_REG_PC) {
// force to quit execution and flush TB
uc->quit_request = true;
uc_emu_stop(uc);
break_translation_loop(uc);
}
}