Record trap_arg{0,1,2} for the linux-user signal frame.
Raise SIGBUS directly from cpu_loop_exit_sigbus, which means
we can remove the code for EXCP_UNALIGN in cpu_loop.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
fprintf(stderr, "External interrupt. Exit\n");
exit(EXIT_FAILURE);
break;
- case EXCP_UNALIGN:
- info.si_signo = TARGET_SIGBUS;
- info.si_errno = 0;
- info.si_code = TARGET_BUS_ADRALN;
- info._sifields._sigfault._addr = env->trap_arg0;
- queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
- break;
case EXCP_OPCDEC:
do_sigill:
info.si_signo = TARGET_SIGILL;
#ifdef CONFIG_USER_ONLY
.record_sigsegv = alpha_cpu_record_sigsegv,
+ .record_sigbus = alpha_cpu_record_sigbus,
#else
.tlb_fill = alpha_cpu_tlb_fill,
.cpu_exec_interrupt = alpha_cpu_exec_interrupt,
hwaddr alpha_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
int alpha_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg);
int alpha_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
-void alpha_cpu_do_unaligned_access(CPUState *cpu, vaddr addr,
- MMUAccessType access_type, int mmu_idx,
- uintptr_t retaddr) QEMU_NORETURN;
#define cpu_list alpha_cpu_list
void alpha_cpu_record_sigsegv(CPUState *cs, vaddr address,
MMUAccessType access_type,
bool maperr, uintptr_t retaddr);
+void alpha_cpu_record_sigbus(CPUState *cs, vaddr address,
+ MMUAccessType access_type, uintptr_t retaddr);
#else
bool alpha_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
MMUAccessType access_type, int mmu_idx,
bool probe, uintptr_t retaddr);
+void alpha_cpu_do_unaligned_access(CPUState *cpu, vaddr addr,
+ MMUAccessType access_type, int mmu_idx,
+ uintptr_t retaddr) QEMU_NORETURN;
void alpha_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr,
vaddr addr, unsigned size,
MMUAccessType access_type,
#include "exec/exec-all.h"
#include "exec/cpu_ldst.h"
-/* Softmmu support */
-#ifndef CONFIG_USER_ONLY
-void alpha_cpu_do_unaligned_access(CPUState *cs, vaddr addr,
- MMUAccessType access_type,
- int mmu_idx, uintptr_t retaddr)
+static void do_unaligned_access(CPUAlphaState *env, vaddr addr, uintptr_t retaddr)
{
- AlphaCPU *cpu = ALPHA_CPU(cs);
- CPUAlphaState *env = &cpu->env;
uint64_t pc;
uint32_t insn;
- cpu_restore_state(cs, retaddr, true);
+ cpu_restore_state(env_cpu(env), retaddr, true);
pc = env->pc;
insn = cpu_ldl_code(env, pc);
env->trap_arg0 = addr;
env->trap_arg1 = insn >> 26; /* opcode */
env->trap_arg2 = (insn >> 21) & 31; /* dest regno */
+}
+
+#ifdef CONFIG_USER_ONLY
+void alpha_cpu_record_sigbus(CPUState *cs, vaddr addr,
+ MMUAccessType access_type, uintptr_t retaddr)
+{
+ AlphaCPU *cpu = ALPHA_CPU(cs);
+ CPUAlphaState *env = &cpu->env;
+
+ do_unaligned_access(env, addr, retaddr);
+}
+#else
+void alpha_cpu_do_unaligned_access(CPUState *cs, vaddr addr,
+ MMUAccessType access_type,
+ int mmu_idx, uintptr_t retaddr)
+{
+ AlphaCPU *cpu = ALPHA_CPU(cs);
+ CPUAlphaState *env = &cpu->env;
+
+ do_unaligned_access(env, addr, retaddr);
cs->exception_index = EXCP_UNALIGN;
env->error_code = 0;
cpu_loop_exit(cs);