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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::429; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x429.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, laurent@vivier.eu Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1629605195874100001 Content-Type: text/plain; charset="utf-8" Use the new functions instead of setting up a target_siginfo_t and calling queue_signal. The user-only version of ppc_cpu_tlb_fill does not distinguish between the various hw codes. Drop all of that and just use the new force_sigsegv_for_addr function. The fault address for POWERPC_EXCP_ISI is nip exactly, not nip - 4. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- linux-user/ppc/cpu_loop.c | 142 ++++++++------------------------------ 1 file changed, 30 insertions(+), 112 deletions(-) diff --git a/linux-user/ppc/cpu_loop.c b/linux-user/ppc/cpu_loop.c index fa91ea0eed..4893bbd021 100644 --- a/linux-user/ppc/cpu_loop.c +++ b/linux-user/ppc/cpu_loop.c @@ -21,6 +21,8 @@ #include "qemu-common.h" #include "qemu.h" #include "cpu_loop-common.h" +#include "signal-common.h" + =20 static inline uint64_t cpu_ppc_get_tb(CPUPPCState *env) { @@ -74,8 +76,7 @@ int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, uint32_t= val) void cpu_loop(CPUPPCState *env) { CPUState *cs =3D env_cpu(env); - target_siginfo_t info; - int trapnr; + int trapnr, si_signo, si_code; target_ulong ret; =20 for(;;) { @@ -100,61 +101,10 @@ void cpu_loop(CPUPPCState *env) "Aborting\n"); break; case POWERPC_EXCP_DSI: /* Data storage exception = */ - /* XXX: check this. Seems bugged */ - switch (env->error_code & 0xFF000000) { - case 0x40000000: - case 0x42000000: - info.si_signo =3D TARGET_SIGSEGV; - info.si_errno =3D 0; - info.si_code =3D TARGET_SEGV_MAPERR; - break; - case 0x04000000: - info.si_signo =3D TARGET_SIGILL; - info.si_errno =3D 0; - info.si_code =3D TARGET_ILL_ILLADR; - break; - case 0x08000000: - info.si_signo =3D TARGET_SIGSEGV; - info.si_errno =3D 0; - info.si_code =3D TARGET_SEGV_ACCERR; - break; - default: - /* Let's send a regular segfault... */ - EXCP_DUMP(env, "Invalid segfault errno (%02x)\n", - env->error_code); - info.si_signo =3D TARGET_SIGSEGV; - info.si_errno =3D 0; - info.si_code =3D TARGET_SEGV_MAPERR; - break; - } - info._sifields._sigfault._addr =3D env->spr[SPR_DAR]; - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); + force_sigsegv_for_addr(env->spr[SPR_DAR]); break; case POWERPC_EXCP_ISI: /* Instruction storage exception = */ - /* XXX: check this */ - switch (env->error_code & 0xFF000000) { - case 0x40000000: - info.si_signo =3D TARGET_SIGSEGV; - info.si_errno =3D 0; - info.si_code =3D TARGET_SEGV_MAPERR; - break; - case 0x10000000: - case 0x08000000: - info.si_signo =3D TARGET_SIGSEGV; - info.si_errno =3D 0; - info.si_code =3D TARGET_SEGV_ACCERR; - break; - default: - /* Let's send a regular segfault... */ - EXCP_DUMP(env, "Invalid segfault errno (%02x)\n", - env->error_code); - info.si_signo =3D TARGET_SIGSEGV; - info.si_errno =3D 0; - info.si_code =3D TARGET_SEGV_MAPERR; - break; - } - info._sifields._sigfault._addr =3D env->nip - 4; - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); + force_sigsegv_for_addr(env->nip); break; case POWERPC_EXCP_EXTERNAL: /* External input = */ cpu_abort(cs, "External interrupt while in user mode. " @@ -162,35 +112,30 @@ void cpu_loop(CPUPPCState *env) break; case POWERPC_EXCP_ALIGN: /* Alignment exception = */ /* XXX: check this */ - info.si_signo =3D TARGET_SIGBUS; - info.si_errno =3D 0; - info.si_code =3D TARGET_BUS_ADRALN; - info._sifields._sigfault._addr =3D env->nip; - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); + force_sig_fault(TARGET_SIGBUS, TARGET_BUS_ADRALN, env->nip); break; case POWERPC_EXCP_PROGRAM: /* Program exception = */ case POWERPC_EXCP_HV_EMU: /* HV emulation = */ /* XXX: check this */ switch (env->error_code & ~0xF) { case POWERPC_EXCP_FP: - info.si_signo =3D TARGET_SIGFPE; - info.si_errno =3D 0; + si_signo =3D TARGET_SIGFPE; switch (env->error_code & 0xF) { case POWERPC_EXCP_FP_OX: - info.si_code =3D TARGET_FPE_FLTOVF; + si_code =3D TARGET_FPE_FLTOVF; break; case POWERPC_EXCP_FP_UX: - info.si_code =3D TARGET_FPE_FLTUND; + si_code =3D TARGET_FPE_FLTUND; break; case POWERPC_EXCP_FP_ZX: case POWERPC_EXCP_FP_VXZDZ: - info.si_code =3D TARGET_FPE_FLTDIV; + si_code =3D TARGET_FPE_FLTDIV; break; case POWERPC_EXCP_FP_XX: - info.si_code =3D TARGET_FPE_FLTRES; + si_code =3D TARGET_FPE_FLTRES; break; case POWERPC_EXCP_FP_VXSOFT: - info.si_code =3D TARGET_FPE_FLTINV; + si_code =3D TARGET_FPE_FLTINV; break; case POWERPC_EXCP_FP_VXSNAN: case POWERPC_EXCP_FP_VXISI: @@ -199,51 +144,50 @@ void cpu_loop(CPUPPCState *env) case POWERPC_EXCP_FP_VXVC: case POWERPC_EXCP_FP_VXSQRT: case POWERPC_EXCP_FP_VXCVI: - info.si_code =3D TARGET_FPE_FLTSUB; + si_code =3D TARGET_FPE_FLTSUB; break; default: EXCP_DUMP(env, "Unknown floating point exception (%02x= )\n", env->error_code); + si_code =3D 0; break; } break; case POWERPC_EXCP_INVAL: - info.si_signo =3D TARGET_SIGILL; - info.si_errno =3D 0; + si_signo =3D TARGET_SIGILL; switch (env->error_code & 0xF) { case POWERPC_EXCP_INVAL_INVAL: - info.si_code =3D TARGET_ILL_ILLOPC; + si_code =3D TARGET_ILL_ILLOPC; break; case POWERPC_EXCP_INVAL_LSWX: - info.si_code =3D TARGET_ILL_ILLOPN; + si_code =3D TARGET_ILL_ILLOPN; break; case POWERPC_EXCP_INVAL_SPR: - info.si_code =3D TARGET_ILL_PRVREG; + si_code =3D TARGET_ILL_PRVREG; break; case POWERPC_EXCP_INVAL_FP: - info.si_code =3D TARGET_ILL_COPROC; + si_code =3D TARGET_ILL_COPROC; break; default: EXCP_DUMP(env, "Unknown invalid operation (%02x)\n", env->error_code & 0xF); - info.si_code =3D TARGET_ILL_ILLADR; + si_code =3D TARGET_ILL_ILLADR; break; } break; case POWERPC_EXCP_PRIV: - info.si_signo =3D TARGET_SIGILL; - info.si_errno =3D 0; + si_signo =3D TARGET_SIGILL; switch (env->error_code & 0xF) { case POWERPC_EXCP_PRIV_OPC: - info.si_code =3D TARGET_ILL_PRVOPC; + si_code =3D TARGET_ILL_PRVOPC; break; case POWERPC_EXCP_PRIV_REG: - info.si_code =3D TARGET_ILL_PRVREG; + si_code =3D TARGET_ILL_PRVREG; break; default: EXCP_DUMP(env, "Unknown privilege violation (%02x)\n", env->error_code & 0xF); - info.si_code =3D TARGET_ILL_PRVOPC; + si_code =3D TARGET_ILL_PRVOPC; break; } break; @@ -256,28 +200,19 @@ void cpu_loop(CPUPPCState *env) env->error_code); break; } - info._sifields._sigfault._addr =3D env->nip; - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); + force_sig_fault(si_signo, si_code, env->nip); break; case POWERPC_EXCP_FPU: /* Floating-point unavailable exceptio= n */ - info.si_signo =3D TARGET_SIGILL; - info.si_errno =3D 0; - info.si_code =3D TARGET_ILL_COPROC; - info._sifields._sigfault._addr =3D env->nip; - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); + case POWERPC_EXCP_APU: /* Auxiliary processor unavailable = */ + case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavail= . */ + case POWERPC_EXCP_VPU: /* Vector unavailable exception = */ + force_sig_fault(TARGET_SIGILL, TARGET_ILL_COPROC, env->nip); break; case POWERPC_EXCP_SYSCALL: /* System call exception = */ case POWERPC_EXCP_SYSCALL_VECTORED: cpu_abort(cs, "Syscall exception while in user mode. " "Aborting\n"); break; - case POWERPC_EXCP_APU: /* Auxiliary processor unavailable = */ - info.si_signo =3D TARGET_SIGILL; - info.si_errno =3D 0; - info.si_code =3D TARGET_ILL_COPROC; - info._sifields._sigfault._addr =3D env->nip; - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); - break; case POWERPC_EXCP_DECR: /* Decrementer exception = */ cpu_abort(cs, "Decrementer interrupt while in user mode. " "Aborting\n"); @@ -298,13 +233,6 @@ void cpu_loop(CPUPPCState *env) cpu_abort(cs, "Instruction TLB exception while in user mode. " "Aborting\n"); break; - case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavail= . */ - info.si_signo =3D TARGET_SIGILL; - info.si_errno =3D 0; - info.si_code =3D TARGET_ILL_COPROC; - info._sifields._sigfault._addr =3D env->nip; - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); - break; case POWERPC_EXCP_EFPDI: /* Embedded floating-point data IRQ = */ cpu_abort(cs, "Embedded floating-point data IRQ not handled\n"= ); break; @@ -361,13 +289,6 @@ void cpu_loop(CPUPPCState *env) cpu_abort(cs, "Hypervisor instruction segment exception " "while in user mode. Aborting\n"); break; - case POWERPC_EXCP_VPU: /* Vector unavailable exception = */ - info.si_signo =3D TARGET_SIGILL; - info.si_errno =3D 0; - info.si_code =3D TARGET_ILL_COPROC; - info._sifields._sigfault._addr =3D env->nip; - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); - break; case POWERPC_EXCP_PIT: /* Programmable interval timer IRQ = */ cpu_abort(cs, "Programmable interval timer interrupt " "while in user mode. Aborting\n"); @@ -450,10 +371,7 @@ void cpu_loop(CPUPPCState *env) env->gpr[3] =3D ret; break; case EXCP_DEBUG: - info.si_signo =3D TARGET_SIGTRAP; - info.si_errno =3D 0; - info.si_code =3D TARGET_TRAP_BRKPT; - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); + force_sig_fault(TARGET_SIGTRAP, TARGET_TRAP_BRKPT, env->nip); break; case EXCP_INTERRUPT: /* just indicate that signals should be handled asap */ --=20 2.25.1