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target/ppc: Restrict cpu_exec_interrupt() handler to sysemu 

Restrict cpu_exec_interrupt() and its callees to sysemu.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Message-Id: <20210911165434.531552-18-f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2021-09-11 18:54:27 +02:00 committed by Richard Henderson
parent 250ae6dfc7
commit f725245c52
3 changed files with 6 additions and 21 deletions
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4
target/ppc/cpu.h
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@ -1254,8 +1254,6 @@ DECLARE_OBJ_CHECKERS(PPCVirtualHypervisor, PPCVirtualHypervisorClass,
PPC_VIRTUAL_HYPERVISOR, TYPE_PPC_VIRTUAL_HYPERVISOR)
#endif /* CONFIG_USER_ONLY */
void ppc_cpu_do_interrupt(CPUState *cpu);
bool ppc_cpu_exec_interrupt(CPUState *cpu, int int_req);
void ppc_cpu_dump_state(CPUState *cpu, FILE *f, int flags);
hwaddr ppc_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
int ppc_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg);
@ -1271,6 +1269,8 @@ int ppc64_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cs,
int ppc32_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cs,
int cpuid, void *opaque);
#ifndef CONFIG_USER_ONLY
void ppc_cpu_do_interrupt(CPUState *cpu);
bool ppc_cpu_exec_interrupt(CPUState *cpu, int int_req);
void ppc_cpu_do_system_reset(CPUState *cs);
void ppc_cpu_do_fwnmi_machine_check(CPUState *cs, target_ulong vector);
extern const VMStateDescription vmstate_ppc_cpu;

2
target/ppc/cpu_init.c
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@ -9014,10 +9014,10 @@ static const struct SysemuCPUOps ppc_sysemu_ops = {
static const struct TCGCPUOps ppc_tcg_ops = {
.initialize = ppc_translate_init,
.cpu_exec_interrupt = ppc_cpu_exec_interrupt,
.tlb_fill = ppc_cpu_tlb_fill,
#ifndef CONFIG_USER_ONLY
.cpu_exec_interrupt = ppc_cpu_exec_interrupt,
.do_interrupt = ppc_cpu_do_interrupt,
.cpu_exec_enter = ppc_cpu_exec_enter,
.cpu_exec_exit = ppc_cpu_exec_exit,

21
target/ppc/excp_helper.c
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@ -40,24 +40,8 @@
/*****************************************************************************/
/* Exception processing */
#if defined(CONFIG_USER_ONLY)
void ppc_cpu_do_interrupt(CPUState *cs)
{
PowerPCCPU *cpu = POWERPC_CPU(cs);
CPUPPCState *env = &cpu->env;
#if !defined(CONFIG_USER_ONLY)
cs->exception_index = POWERPC_EXCP_NONE;
env->error_code = 0;
}
static void ppc_hw_interrupt(CPUPPCState *env)
{
CPUState *cs = env_cpu(env);
cs->exception_index = POWERPC_EXCP_NONE;
env->error_code = 0;
}
#else /* defined(CONFIG_USER_ONLY) */
static inline void dump_syscall(CPUPPCState *env)
{
qemu_log_mask(CPU_LOG_INT, "syscall r0=%016" PRIx64
@ -1113,7 +1097,6 @@ void ppc_cpu_do_fwnmi_machine_check(CPUState *cs, target_ulong vector)
powerpc_set_excp_state(cpu, vector, msr);
}
#endif /* !CONFIG_USER_ONLY */
bool ppc_cpu_exec_interrupt(CPUState *cs, int interrupt_request)
{
@ -1130,6 +1113,8 @@ bool ppc_cpu_exec_interrupt(CPUState *cs, int interrupt_request)
return false;
}
#endif /* !CONFIG_USER_ONLY */
#if defined(DEBUG_OP)
static void cpu_dump_rfi(target_ulong RA, target_ulong msr)
{