From patchwork Wed Apr 11 18:56:38 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 10336973 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id E32C66053B for ; Wed, 11 Apr 2018 19:33:46 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CDCFC28068 for ; Wed, 11 Apr 2018 19:33:46 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C1FAA2821F; Wed, 11 Apr 2018 19:33:46 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id C1E2728179 for ; Wed, 11 Apr 2018 19:33:44 +0000 (UTC) Received: from localhost ([::1]:49681 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f6LV1-0004Dp-JS for patchwork-qemu-devel@patchwork.kernel.org; Wed, 11 Apr 2018 15:33:43 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37962) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f6Kw2-00062S-Rn for qemu-devel@nongnu.org; Wed, 11 Apr 2018 14:57:42 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1f6Kvy-0007p7-Q9 for qemu-devel@nongnu.org; Wed, 11 Apr 2018 14:57:34 -0400 Received: from mout.kundenserver.de ([217.72.192.74]:50653) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1f6Kvy-0007oY-7z; Wed, 11 Apr 2018 14:57:30 -0400 Received: from localhost.localdomain ([78.238.229.36]) by mrelayeu.kundenserver.de (mreue105 [212.227.15.183]) with ESMTPSA (Nemesis) id 0MasOo-1eluOg1iZe-00KMxG; Wed, 11 Apr 2018 20:57:13 +0200 From: Laurent Vivier To: qemu-devel@nongnu.org Date: Wed, 11 Apr 2018 20:56:38 +0200 Message-Id: <20180411185651.21351-7-laurent@vivier.eu> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180411185651.21351-1-laurent@vivier.eu> References: <20180411185651.21351-1-laurent@vivier.eu> X-Provags-ID: V03:K1:xHo4UmfzxSAuXBZIcSE6yb0vYAAqGjsGqqpY5jyOwn0YnHjZn85 9HP3Z8g0lP8lHuRrH7i1gec8Rv1B3jQ6zKhfpoWpj1IFXKwcWslu063d19T6w5PniHCZ2FI qcZRuAeHJIPeBhsx+eXu8wNg73nAbyYA2lpJCajv43Ggj3akWg+9YqWiyIM0aW98HsYeWbv SfQYDC3hkvVG9EVmMEAVw== X-UI-Out-Filterresults: notjunk:1; V01:K0:NGcgB9bo/0o=:Ra/laEH7pMNag4KFvOCgyu vUW3bKcjTtq1FzNSgspckXAgkB4PCRMlBZ9eBGinE1ZE9wURyO0cPbttXg8qMKRfxalo80eO8 w7uF9E/jBZ8MiFbZS+VWyvohPx0hqJQofWLBrnojFyEDRm1tGT5BaCmGO0/TyoZvReEuP1UIC sJpGIheA1iIcIVmI5IuAYmnjfBQkEgqLbQAmB871nblfRE4ofuyF/kd5mRcCVwMEwmqaH39UR N2B/z14os+WB4d+vXsa/LATbc19yK+xaJBCr2utLPT3TVmI726xMEsTx6eNk6c8AaSXHUn75m x1VXBcNBRo64L3iHjk2JEU46/231ao3ENNavZEpAPWWFSrvsbXy/20po2sS1MDeI+GCWZhEMA F37dzg2biqPXmyRCKWhJjw4tAlsszVKEBlihIueYtU3U0F0JcM79na7CQRr5uygt4SBGCHZ5j nBDhXQFRT93lV0kKt2pPLiD4r9qfYjK8G9cX4mQ/fiCo7mAkuTtwZIC0N3kZ0+BqI+/PjWWdJ WEqW6ff+WPLuiZNl+0t6j8yur/F3zMWvYERsxss3qY+w57Ca4aaK+puOgY676mw2blR8Pew7J mKDK9ULUKecu7+HN5F6FRKZ+xd0ZUueUCSrJU70nEZRk9bi7GopPrC7e67UyDGm6dKq8YI+Ym TtFFo1HB21fHKmVmOPPUCxDAiGXPCp2zqHyBpJUxeDME7ku2PCH+bFP3kkk9c1agNyM90OyF0 BKhtETJwskkVKDZZSnV5QOcS/CqC3VlM5xEEfw== X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 217.72.192.74 Subject: [Qemu-devel] [PATCH for 2.13 v2 06/19] linux-user: move ppc/ppc64 cpu loop to ppc directory X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Cornelia Huck , Riku Voipio , Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Laurent Vivier , qemu-s390x@nongnu.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP No code change, only move code from main.c to ppc/cpu_loop.c. Signed-off-by: Laurent Vivier Reviewed-by: Richard Henderson --- linux-user/main.c | 560 +--------------------------------------------- linux-user/ppc/cpu_loop.c | 553 +++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 554 insertions(+), 559 deletions(-) diff --git a/linux-user/main.c b/linux-user/main.c index 4816ec54bb..2340320818 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -149,547 +149,6 @@ void fork_end(int child) } } -#ifdef TARGET_PPC -static inline uint64_t cpu_ppc_get_tb(CPUPPCState *env) -{ - return cpu_get_host_ticks(); -} - -uint64_t cpu_ppc_load_tbl(CPUPPCState *env) -{ - return cpu_ppc_get_tb(env); -} - -uint32_t cpu_ppc_load_tbu(CPUPPCState *env) -{ - return cpu_ppc_get_tb(env) >> 32; -} - -uint64_t cpu_ppc_load_atbl(CPUPPCState *env) -{ - return cpu_ppc_get_tb(env); -} - -uint32_t cpu_ppc_load_atbu(CPUPPCState *env) -{ - return cpu_ppc_get_tb(env) >> 32; -} - -uint32_t cpu_ppc601_load_rtcu(CPUPPCState *env) -__attribute__ (( alias ("cpu_ppc_load_tbu") )); - -uint32_t cpu_ppc601_load_rtcl(CPUPPCState *env) -{ - return cpu_ppc_load_tbl(env) & 0x3FFFFF80; -} - -/* XXX: to be fixed */ -int ppc_dcr_read (ppc_dcr_t *dcr_env, int dcrn, uint32_t *valp) -{ - return -1; -} - -int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, uint32_t val) -{ - return -1; -} - -static int do_store_exclusive(CPUPPCState *env) -{ - target_ulong addr; - target_ulong page_addr; - target_ulong val, val2 __attribute__((unused)) = 0; - int flags; - int segv = 0; - - addr = env->reserve_ea; - page_addr = addr & TARGET_PAGE_MASK; - start_exclusive(); - mmap_lock(); - flags = page_get_flags(page_addr); - if ((flags & PAGE_READ) == 0) { - segv = 1; - } else { - int reg = env->reserve_info & 0x1f; - int size = env->reserve_info >> 5; - int stored = 0; - - if (addr == env->reserve_addr) { - switch (size) { - case 1: segv = get_user_u8(val, addr); break; - case 2: segv = get_user_u16(val, addr); break; - case 4: segv = get_user_u32(val, addr); break; -#if defined(TARGET_PPC64) - case 8: segv = get_user_u64(val, addr); break; - case 16: { - segv = get_user_u64(val, addr); - if (!segv) { - segv = get_user_u64(val2, addr + 8); - } - break; - } -#endif - default: abort(); - } - if (!segv && val == env->reserve_val) { - val = env->gpr[reg]; - switch (size) { - case 1: segv = put_user_u8(val, addr); break; - case 2: segv = put_user_u16(val, addr); break; - case 4: segv = put_user_u32(val, addr); break; -#if defined(TARGET_PPC64) - case 8: segv = put_user_u64(val, addr); break; - case 16: { - if (val2 == env->reserve_val2) { - if (msr_le) { - val2 = val; - val = env->gpr[reg+1]; - } else { - val2 = env->gpr[reg+1]; - } - segv = put_user_u64(val, addr); - if (!segv) { - segv = put_user_u64(val2, addr + 8); - } - } - break; - } -#endif - default: abort(); - } - if (!segv) { - stored = 1; - } - } - } - env->crf[0] = (stored << 1) | xer_so; - env->reserve_addr = (target_ulong)-1; - } - if (!segv) { - env->nip += 4; - } - mmap_unlock(); - end_exclusive(); - return segv; -} - -void cpu_loop(CPUPPCState *env) -{ - CPUState *cs = CPU(ppc_env_get_cpu(env)); - target_siginfo_t info; - int trapnr; - target_ulong ret; - - for(;;) { - cpu_exec_start(cs); - trapnr = cpu_exec(cs); - cpu_exec_end(cs); - process_queued_cpu_work(cs); - - switch(trapnr) { - case POWERPC_EXCP_NONE: - /* Just go on */ - break; - case POWERPC_EXCP_CRITICAL: /* Critical input */ - cpu_abort(cs, "Critical interrupt while in user mode. " - "Aborting\n"); - break; - case POWERPC_EXCP_MCHECK: /* Machine check exception */ - cpu_abort(cs, "Machine check exception while in user mode. " - "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 = TARGET_SIGSEGV; - info.si_errno = 0; - info.si_code = TARGET_SEGV_MAPERR; - break; - case 0x04000000: - info.si_signo = TARGET_SIGILL; - info.si_errno = 0; - info.si_code = TARGET_ILL_ILLADR; - break; - case 0x08000000: - info.si_signo = TARGET_SIGSEGV; - info.si_errno = 0; - info.si_code = 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 = TARGET_SIGSEGV; - info.si_errno = 0; - info.si_code = TARGET_SEGV_MAPERR; - break; - } - info._sifields._sigfault._addr = env->spr[SPR_DAR]; - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); - break; - case POWERPC_EXCP_ISI: /* Instruction storage exception */ - /* XXX: check this */ - switch (env->error_code & 0xFF000000) { - case 0x40000000: - info.si_signo = TARGET_SIGSEGV; - info.si_errno = 0; - info.si_code = TARGET_SEGV_MAPERR; - break; - case 0x10000000: - case 0x08000000: - info.si_signo = TARGET_SIGSEGV; - info.si_errno = 0; - info.si_code = 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 = TARGET_SIGSEGV; - info.si_errno = 0; - info.si_code = TARGET_SEGV_MAPERR; - break; - } - info._sifields._sigfault._addr = env->nip - 4; - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); - break; - case POWERPC_EXCP_EXTERNAL: /* External input */ - cpu_abort(cs, "External interrupt while in user mode. " - "Aborting\n"); - break; - case POWERPC_EXCP_ALIGN: /* Alignment exception */ - /* XXX: check this */ - info.si_signo = TARGET_SIGBUS; - info.si_errno = 0; - info.si_code = TARGET_BUS_ADRALN; - info._sifields._sigfault._addr = env->nip; - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); - 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 = TARGET_SIGFPE; - info.si_errno = 0; - switch (env->error_code & 0xF) { - case POWERPC_EXCP_FP_OX: - info.si_code = TARGET_FPE_FLTOVF; - break; - case POWERPC_EXCP_FP_UX: - info.si_code = TARGET_FPE_FLTUND; - break; - case POWERPC_EXCP_FP_ZX: - case POWERPC_EXCP_FP_VXZDZ: - info.si_code = TARGET_FPE_FLTDIV; - break; - case POWERPC_EXCP_FP_XX: - info.si_code = TARGET_FPE_FLTRES; - break; - case POWERPC_EXCP_FP_VXSOFT: - info.si_code = TARGET_FPE_FLTINV; - break; - case POWERPC_EXCP_FP_VXSNAN: - case POWERPC_EXCP_FP_VXISI: - case POWERPC_EXCP_FP_VXIDI: - case POWERPC_EXCP_FP_VXIMZ: - case POWERPC_EXCP_FP_VXVC: - case POWERPC_EXCP_FP_VXSQRT: - case POWERPC_EXCP_FP_VXCVI: - info.si_code = TARGET_FPE_FLTSUB; - break; - default: - EXCP_DUMP(env, "Unknown floating point exception (%02x)\n", - env->error_code); - break; - } - break; - case POWERPC_EXCP_INVAL: - info.si_signo = TARGET_SIGILL; - info.si_errno = 0; - switch (env->error_code & 0xF) { - case POWERPC_EXCP_INVAL_INVAL: - info.si_code = TARGET_ILL_ILLOPC; - break; - case POWERPC_EXCP_INVAL_LSWX: - info.si_code = TARGET_ILL_ILLOPN; - break; - case POWERPC_EXCP_INVAL_SPR: - info.si_code = TARGET_ILL_PRVREG; - break; - case POWERPC_EXCP_INVAL_FP: - info.si_code = TARGET_ILL_COPROC; - break; - default: - EXCP_DUMP(env, "Unknown invalid operation (%02x)\n", - env->error_code & 0xF); - info.si_code = TARGET_ILL_ILLADR; - break; - } - break; - case POWERPC_EXCP_PRIV: - info.si_signo = TARGET_SIGILL; - info.si_errno = 0; - switch (env->error_code & 0xF) { - case POWERPC_EXCP_PRIV_OPC: - info.si_code = TARGET_ILL_PRVOPC; - break; - case POWERPC_EXCP_PRIV_REG: - info.si_code = TARGET_ILL_PRVREG; - break; - default: - EXCP_DUMP(env, "Unknown privilege violation (%02x)\n", - env->error_code & 0xF); - info.si_code = TARGET_ILL_PRVOPC; - break; - } - break; - case POWERPC_EXCP_TRAP: - cpu_abort(cs, "Tried to call a TRAP\n"); - break; - default: - /* Should not happen ! */ - cpu_abort(cs, "Unknown program exception (%02x)\n", - env->error_code); - break; - } - info._sifields._sigfault._addr = env->nip; - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); - break; - case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */ - info.si_signo = TARGET_SIGILL; - info.si_errno = 0; - info.si_code = TARGET_ILL_COPROC; - info._sifields._sigfault._addr = env->nip; - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); - break; - case POWERPC_EXCP_SYSCALL: /* System call exception */ - cpu_abort(cs, "Syscall exception while in user mode. " - "Aborting\n"); - break; - case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */ - info.si_signo = TARGET_SIGILL; - info.si_errno = 0; - info.si_code = TARGET_ILL_COPROC; - info._sifields._sigfault._addr = 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"); - break; - case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */ - cpu_abort(cs, "Fix interval timer interrupt while in user mode. " - "Aborting\n"); - break; - case POWERPC_EXCP_WDT: /* Watchdog timer interrupt */ - cpu_abort(cs, "Watchdog timer interrupt while in user mode. " - "Aborting\n"); - break; - case POWERPC_EXCP_DTLB: /* Data TLB error */ - cpu_abort(cs, "Data TLB exception while in user mode. " - "Aborting\n"); - break; - case POWERPC_EXCP_ITLB: /* Instruction TLB error */ - 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 = TARGET_SIGILL; - info.si_errno = 0; - info.si_code = TARGET_ILL_COPROC; - info._sifields._sigfault._addr = 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; - case POWERPC_EXCP_EFPRI: /* Embedded floating-point round IRQ */ - cpu_abort(cs, "Embedded floating-point round IRQ not handled\n"); - break; - case POWERPC_EXCP_EPERFM: /* Embedded performance monitor IRQ */ - cpu_abort(cs, "Performance monitor exception not handled\n"); - break; - case POWERPC_EXCP_DOORI: /* Embedded doorbell interrupt */ - cpu_abort(cs, "Doorbell interrupt while in user mode. " - "Aborting\n"); - break; - case POWERPC_EXCP_DOORCI: /* Embedded doorbell critical interrupt */ - cpu_abort(cs, "Doorbell critical interrupt while in user mode. " - "Aborting\n"); - break; - case POWERPC_EXCP_RESET: /* System reset exception */ - cpu_abort(cs, "Reset interrupt while in user mode. " - "Aborting\n"); - break; - case POWERPC_EXCP_DSEG: /* Data segment exception */ - cpu_abort(cs, "Data segment exception while in user mode. " - "Aborting\n"); - break; - case POWERPC_EXCP_ISEG: /* Instruction segment exception */ - cpu_abort(cs, "Instruction segment exception " - "while in user mode. Aborting\n"); - break; - /* PowerPC 64 with hypervisor mode support */ - case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception */ - cpu_abort(cs, "Hypervisor decrementer interrupt " - "while in user mode. Aborting\n"); - break; - case POWERPC_EXCP_TRACE: /* Trace exception */ - /* Nothing to do: - * we use this exception to emulate step-by-step execution mode. - */ - break; - /* PowerPC 64 with hypervisor mode support */ - case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */ - cpu_abort(cs, "Hypervisor data storage exception " - "while in user mode. Aborting\n"); - break; - case POWERPC_EXCP_HISI: /* Hypervisor instruction storage excp */ - cpu_abort(cs, "Hypervisor instruction storage exception " - "while in user mode. Aborting\n"); - break; - case POWERPC_EXCP_HDSEG: /* Hypervisor data segment exception */ - cpu_abort(cs, "Hypervisor data segment exception " - "while in user mode. Aborting\n"); - break; - case POWERPC_EXCP_HISEG: /* Hypervisor instruction segment excp */ - cpu_abort(cs, "Hypervisor instruction segment exception " - "while in user mode. Aborting\n"); - break; - case POWERPC_EXCP_VPU: /* Vector unavailable exception */ - info.si_signo = TARGET_SIGILL; - info.si_errno = 0; - info.si_code = TARGET_ILL_COPROC; - info._sifields._sigfault._addr = 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"); - break; - case POWERPC_EXCP_IO: /* IO error exception */ - cpu_abort(cs, "IO error exception while in user mode. " - "Aborting\n"); - break; - case POWERPC_EXCP_RUNM: /* Run mode exception */ - cpu_abort(cs, "Run mode exception while in user mode. " - "Aborting\n"); - break; - case POWERPC_EXCP_EMUL: /* Emulation trap exception */ - cpu_abort(cs, "Emulation trap exception not handled\n"); - break; - case POWERPC_EXCP_IFTLB: /* Instruction fetch TLB error */ - cpu_abort(cs, "Instruction fetch TLB exception " - "while in user-mode. Aborting"); - break; - case POWERPC_EXCP_DLTLB: /* Data load TLB miss */ - cpu_abort(cs, "Data load TLB exception while in user-mode. " - "Aborting"); - break; - case POWERPC_EXCP_DSTLB: /* Data store TLB miss */ - cpu_abort(cs, "Data store TLB exception while in user-mode. " - "Aborting"); - break; - case POWERPC_EXCP_FPA: /* Floating-point assist exception */ - cpu_abort(cs, "Floating-point assist exception not handled\n"); - break; - case POWERPC_EXCP_IABR: /* Instruction address breakpoint */ - cpu_abort(cs, "Instruction address breakpoint exception " - "not handled\n"); - break; - case POWERPC_EXCP_SMI: /* System management interrupt */ - cpu_abort(cs, "System management interrupt while in user mode. " - "Aborting\n"); - break; - case POWERPC_EXCP_THERM: /* Thermal interrupt */ - cpu_abort(cs, "Thermal interrupt interrupt while in user mode. " - "Aborting\n"); - break; - case POWERPC_EXCP_PERFM: /* Embedded performance monitor IRQ */ - cpu_abort(cs, "Performance monitor exception not handled\n"); - break; - case POWERPC_EXCP_VPUA: /* Vector assist exception */ - cpu_abort(cs, "Vector assist exception not handled\n"); - break; - case POWERPC_EXCP_SOFTP: /* Soft patch exception */ - cpu_abort(cs, "Soft patch exception not handled\n"); - break; - case POWERPC_EXCP_MAINT: /* Maintenance exception */ - cpu_abort(cs, "Maintenance exception while in user mode. " - "Aborting\n"); - break; - case POWERPC_EXCP_STOP: /* stop translation */ - /* We did invalidate the instruction cache. Go on */ - break; - case POWERPC_EXCP_BRANCH: /* branch instruction: */ - /* We just stopped because of a branch. Go on */ - break; - case POWERPC_EXCP_SYSCALL_USER: - /* system call in user-mode emulation */ - /* WARNING: - * PPC ABI uses overflow flag in cr0 to signal an error - * in syscalls. - */ - env->crf[0] &= ~0x1; - env->nip += 4; - ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4], - env->gpr[5], env->gpr[6], env->gpr[7], - env->gpr[8], 0, 0); - if (ret == -TARGET_ERESTARTSYS) { - env->nip -= 4; - break; - } - if (ret == (target_ulong)(-TARGET_QEMU_ESIGRETURN)) { - /* Returning from a successful sigreturn syscall. - Avoid corrupting register state. */ - break; - } - if (ret > (target_ulong)(-515)) { - env->crf[0] |= 0x1; - ret = -ret; - } - env->gpr[3] = ret; - break; - case POWERPC_EXCP_STCX: - if (do_store_exclusive(env)) { - info.si_signo = TARGET_SIGSEGV; - info.si_errno = 0; - info.si_code = TARGET_SEGV_MAPERR; - info._sifields._sigfault._addr = env->nip; - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); - } - break; - case EXCP_DEBUG: - { - int sig; - - sig = gdb_handlesig(cs, TARGET_SIGTRAP); - if (sig) { - info.si_signo = sig; - info.si_errno = 0; - info.si_code = TARGET_TRAP_BRKPT; - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); - } - } - break; - case EXCP_INTERRUPT: - /* just indicate that signals should be handled asap */ - break; - case EXCP_ATOMIC: - cpu_exec_step_atomic(cs); - break; - default: - cpu_abort(cs, "Unknown exception 0x%x. Aborting\n", trapnr); - break; - } - process_pending_signals(env); - } -} -#endif - #ifdef TARGET_MIPS # ifdef TARGET_ABI_MIPSO32 @@ -3727,24 +3186,7 @@ int main(int argc, char **argv, char **envp) target_cpu_copy_regs(env, regs); -#if defined(TARGET_PPC) - { - int i; - -#if defined(TARGET_PPC64) - int flag = (env->insns_flags2 & PPC2_BOOKE206) ? MSR_CM : MSR_SF; -#if defined(TARGET_ABI32) - env->msr &= ~((target_ulong)1 << flag); -#else - env->msr |= (target_ulong)1 << flag; -#endif -#endif - env->nip = regs->nip; - for(i = 0; i < 32; i++) { - env->gpr[i] = regs->gpr[i]; - } - } -#elif defined(TARGET_M68K) +#if defined(TARGET_M68K) { env->pc = regs->pc; env->dregs[0] = regs->d0; diff --git a/linux-user/ppc/cpu_loop.c b/linux-user/ppc/cpu_loop.c index b7700a5561..2fb516cb00 100644 --- a/linux-user/ppc/cpu_loop.c +++ b/linux-user/ppc/cpu_loop.c @@ -21,6 +21,559 @@ #include "qemu.h" #include "cpu_loop-common.h" +static inline uint64_t cpu_ppc_get_tb(CPUPPCState *env) +{ + return cpu_get_host_ticks(); +} + +uint64_t cpu_ppc_load_tbl(CPUPPCState *env) +{ + return cpu_ppc_get_tb(env); +} + +uint32_t cpu_ppc_load_tbu(CPUPPCState *env) +{ + return cpu_ppc_get_tb(env) >> 32; +} + +uint64_t cpu_ppc_load_atbl(CPUPPCState *env) +{ + return cpu_ppc_get_tb(env); +} + +uint32_t cpu_ppc_load_atbu(CPUPPCState *env) +{ + return cpu_ppc_get_tb(env) >> 32; +} + +uint32_t cpu_ppc601_load_rtcu(CPUPPCState *env) +__attribute__ (( alias ("cpu_ppc_load_tbu") )); + +uint32_t cpu_ppc601_load_rtcl(CPUPPCState *env) +{ + return cpu_ppc_load_tbl(env) & 0x3FFFFF80; +} + +/* XXX: to be fixed */ +int ppc_dcr_read (ppc_dcr_t *dcr_env, int dcrn, uint32_t *valp) +{ + return -1; +} + +int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, uint32_t val) +{ + return -1; +} + +static int do_store_exclusive(CPUPPCState *env) +{ + target_ulong addr; + target_ulong page_addr; + target_ulong val, val2 __attribute__((unused)) = 0; + int flags; + int segv = 0; + + addr = env->reserve_ea; + page_addr = addr & TARGET_PAGE_MASK; + start_exclusive(); + mmap_lock(); + flags = page_get_flags(page_addr); + if ((flags & PAGE_READ) == 0) { + segv = 1; + } else { + int reg = env->reserve_info & 0x1f; + int size = env->reserve_info >> 5; + int stored = 0; + + if (addr == env->reserve_addr) { + switch (size) { + case 1: segv = get_user_u8(val, addr); break; + case 2: segv = get_user_u16(val, addr); break; + case 4: segv = get_user_u32(val, addr); break; +#if defined(TARGET_PPC64) + case 8: segv = get_user_u64(val, addr); break; + case 16: { + segv = get_user_u64(val, addr); + if (!segv) { + segv = get_user_u64(val2, addr + 8); + } + break; + } +#endif + default: abort(); + } + if (!segv && val == env->reserve_val) { + val = env->gpr[reg]; + switch (size) { + case 1: segv = put_user_u8(val, addr); break; + case 2: segv = put_user_u16(val, addr); break; + case 4: segv = put_user_u32(val, addr); break; +#if defined(TARGET_PPC64) + case 8: segv = put_user_u64(val, addr); break; + case 16: { + if (val2 == env->reserve_val2) { + if (msr_le) { + val2 = val; + val = env->gpr[reg+1]; + } else { + val2 = env->gpr[reg+1]; + } + segv = put_user_u64(val, addr); + if (!segv) { + segv = put_user_u64(val2, addr + 8); + } + } + break; + } +#endif + default: abort(); + } + if (!segv) { + stored = 1; + } + } + } + env->crf[0] = (stored << 1) | xer_so; + env->reserve_addr = (target_ulong)-1; + } + if (!segv) { + env->nip += 4; + } + mmap_unlock(); + end_exclusive(); + return segv; +} + +void cpu_loop(CPUPPCState *env) +{ + CPUState *cs = CPU(ppc_env_get_cpu(env)); + target_siginfo_t info; + int trapnr; + target_ulong ret; + + for(;;) { + cpu_exec_start(cs); + trapnr = cpu_exec(cs); + cpu_exec_end(cs); + process_queued_cpu_work(cs); + + switch(trapnr) { + case POWERPC_EXCP_NONE: + /* Just go on */ + break; + case POWERPC_EXCP_CRITICAL: /* Critical input */ + cpu_abort(cs, "Critical interrupt while in user mode. " + "Aborting\n"); + break; + case POWERPC_EXCP_MCHECK: /* Machine check exception */ + cpu_abort(cs, "Machine check exception while in user mode. " + "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 = TARGET_SIGSEGV; + info.si_errno = 0; + info.si_code = TARGET_SEGV_MAPERR; + break; + case 0x04000000: + info.si_signo = TARGET_SIGILL; + info.si_errno = 0; + info.si_code = TARGET_ILL_ILLADR; + break; + case 0x08000000: + info.si_signo = TARGET_SIGSEGV; + info.si_errno = 0; + info.si_code = 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 = TARGET_SIGSEGV; + info.si_errno = 0; + info.si_code = TARGET_SEGV_MAPERR; + break; + } + info._sifields._sigfault._addr = env->spr[SPR_DAR]; + queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); + break; + case POWERPC_EXCP_ISI: /* Instruction storage exception */ + /* XXX: check this */ + switch (env->error_code & 0xFF000000) { + case 0x40000000: + info.si_signo = TARGET_SIGSEGV; + info.si_errno = 0; + info.si_code = TARGET_SEGV_MAPERR; + break; + case 0x10000000: + case 0x08000000: + info.si_signo = TARGET_SIGSEGV; + info.si_errno = 0; + info.si_code = 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 = TARGET_SIGSEGV; + info.si_errno = 0; + info.si_code = TARGET_SEGV_MAPERR; + break; + } + info._sifields._sigfault._addr = env->nip - 4; + queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); + break; + case POWERPC_EXCP_EXTERNAL: /* External input */ + cpu_abort(cs, "External interrupt while in user mode. " + "Aborting\n"); + break; + case POWERPC_EXCP_ALIGN: /* Alignment exception */ + /* XXX: check this */ + info.si_signo = TARGET_SIGBUS; + info.si_errno = 0; + info.si_code = TARGET_BUS_ADRALN; + info._sifields._sigfault._addr = env->nip; + queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); + 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 = TARGET_SIGFPE; + info.si_errno = 0; + switch (env->error_code & 0xF) { + case POWERPC_EXCP_FP_OX: + info.si_code = TARGET_FPE_FLTOVF; + break; + case POWERPC_EXCP_FP_UX: + info.si_code = TARGET_FPE_FLTUND; + break; + case POWERPC_EXCP_FP_ZX: + case POWERPC_EXCP_FP_VXZDZ: + info.si_code = TARGET_FPE_FLTDIV; + break; + case POWERPC_EXCP_FP_XX: + info.si_code = TARGET_FPE_FLTRES; + break; + case POWERPC_EXCP_FP_VXSOFT: + info.si_code = TARGET_FPE_FLTINV; + break; + case POWERPC_EXCP_FP_VXSNAN: + case POWERPC_EXCP_FP_VXISI: + case POWERPC_EXCP_FP_VXIDI: + case POWERPC_EXCP_FP_VXIMZ: + case POWERPC_EXCP_FP_VXVC: + case POWERPC_EXCP_FP_VXSQRT: + case POWERPC_EXCP_FP_VXCVI: + info.si_code = TARGET_FPE_FLTSUB; + break; + default: + EXCP_DUMP(env, "Unknown floating point exception (%02x)\n", + env->error_code); + break; + } + break; + case POWERPC_EXCP_INVAL: + info.si_signo = TARGET_SIGILL; + info.si_errno = 0; + switch (env->error_code & 0xF) { + case POWERPC_EXCP_INVAL_INVAL: + info.si_code = TARGET_ILL_ILLOPC; + break; + case POWERPC_EXCP_INVAL_LSWX: + info.si_code = TARGET_ILL_ILLOPN; + break; + case POWERPC_EXCP_INVAL_SPR: + info.si_code = TARGET_ILL_PRVREG; + break; + case POWERPC_EXCP_INVAL_FP: + info.si_code = TARGET_ILL_COPROC; + break; + default: + EXCP_DUMP(env, "Unknown invalid operation (%02x)\n", + env->error_code & 0xF); + info.si_code = TARGET_ILL_ILLADR; + break; + } + break; + case POWERPC_EXCP_PRIV: + info.si_signo = TARGET_SIGILL; + info.si_errno = 0; + switch (env->error_code & 0xF) { + case POWERPC_EXCP_PRIV_OPC: + info.si_code = TARGET_ILL_PRVOPC; + break; + case POWERPC_EXCP_PRIV_REG: + info.si_code = TARGET_ILL_PRVREG; + break; + default: + EXCP_DUMP(env, "Unknown privilege violation (%02x)\n", + env->error_code & 0xF); + info.si_code = TARGET_ILL_PRVOPC; + break; + } + break; + case POWERPC_EXCP_TRAP: + cpu_abort(cs, "Tried to call a TRAP\n"); + break; + default: + /* Should not happen ! */ + cpu_abort(cs, "Unknown program exception (%02x)\n", + env->error_code); + break; + } + info._sifields._sigfault._addr = env->nip; + queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); + break; + case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */ + info.si_signo = TARGET_SIGILL; + info.si_errno = 0; + info.si_code = TARGET_ILL_COPROC; + info._sifields._sigfault._addr = env->nip; + queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); + break; + case POWERPC_EXCP_SYSCALL: /* System call exception */ + cpu_abort(cs, "Syscall exception while in user mode. " + "Aborting\n"); + break; + case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */ + info.si_signo = TARGET_SIGILL; + info.si_errno = 0; + info.si_code = TARGET_ILL_COPROC; + info._sifields._sigfault._addr = 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"); + break; + case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */ + cpu_abort(cs, "Fix interval timer interrupt while in user mode. " + "Aborting\n"); + break; + case POWERPC_EXCP_WDT: /* Watchdog timer interrupt */ + cpu_abort(cs, "Watchdog timer interrupt while in user mode. " + "Aborting\n"); + break; + case POWERPC_EXCP_DTLB: /* Data TLB error */ + cpu_abort(cs, "Data TLB exception while in user mode. " + "Aborting\n"); + break; + case POWERPC_EXCP_ITLB: /* Instruction TLB error */ + 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 = TARGET_SIGILL; + info.si_errno = 0; + info.si_code = TARGET_ILL_COPROC; + info._sifields._sigfault._addr = 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; + case POWERPC_EXCP_EFPRI: /* Embedded floating-point round IRQ */ + cpu_abort(cs, "Embedded floating-point round IRQ not handled\n"); + break; + case POWERPC_EXCP_EPERFM: /* Embedded performance monitor IRQ */ + cpu_abort(cs, "Performance monitor exception not handled\n"); + break; + case POWERPC_EXCP_DOORI: /* Embedded doorbell interrupt */ + cpu_abort(cs, "Doorbell interrupt while in user mode. " + "Aborting\n"); + break; + case POWERPC_EXCP_DOORCI: /* Embedded doorbell critical interrupt */ + cpu_abort(cs, "Doorbell critical interrupt while in user mode. " + "Aborting\n"); + break; + case POWERPC_EXCP_RESET: /* System reset exception */ + cpu_abort(cs, "Reset interrupt while in user mode. " + "Aborting\n"); + break; + case POWERPC_EXCP_DSEG: /* Data segment exception */ + cpu_abort(cs, "Data segment exception while in user mode. " + "Aborting\n"); + break; + case POWERPC_EXCP_ISEG: /* Instruction segment exception */ + cpu_abort(cs, "Instruction segment exception " + "while in user mode. Aborting\n"); + break; + /* PowerPC 64 with hypervisor mode support */ + case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception */ + cpu_abort(cs, "Hypervisor decrementer interrupt " + "while in user mode. Aborting\n"); + break; + case POWERPC_EXCP_TRACE: /* Trace exception */ + /* Nothing to do: + * we use this exception to emulate step-by-step execution mode. + */ + break; + /* PowerPC 64 with hypervisor mode support */ + case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */ + cpu_abort(cs, "Hypervisor data storage exception " + "while in user mode. Aborting\n"); + break; + case POWERPC_EXCP_HISI: /* Hypervisor instruction storage excp */ + cpu_abort(cs, "Hypervisor instruction storage exception " + "while in user mode. Aborting\n"); + break; + case POWERPC_EXCP_HDSEG: /* Hypervisor data segment exception */ + cpu_abort(cs, "Hypervisor data segment exception " + "while in user mode. Aborting\n"); + break; + case POWERPC_EXCP_HISEG: /* Hypervisor instruction segment excp */ + cpu_abort(cs, "Hypervisor instruction segment exception " + "while in user mode. Aborting\n"); + break; + case POWERPC_EXCP_VPU: /* Vector unavailable exception */ + info.si_signo = TARGET_SIGILL; + info.si_errno = 0; + info.si_code = TARGET_ILL_COPROC; + info._sifields._sigfault._addr = 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"); + break; + case POWERPC_EXCP_IO: /* IO error exception */ + cpu_abort(cs, "IO error exception while in user mode. " + "Aborting\n"); + break; + case POWERPC_EXCP_RUNM: /* Run mode exception */ + cpu_abort(cs, "Run mode exception while in user mode. " + "Aborting\n"); + break; + case POWERPC_EXCP_EMUL: /* Emulation trap exception */ + cpu_abort(cs, "Emulation trap exception not handled\n"); + break; + case POWERPC_EXCP_IFTLB: /* Instruction fetch TLB error */ + cpu_abort(cs, "Instruction fetch TLB exception " + "while in user-mode. Aborting"); + break; + case POWERPC_EXCP_DLTLB: /* Data load TLB miss */ + cpu_abort(cs, "Data load TLB exception while in user-mode. " + "Aborting"); + break; + case POWERPC_EXCP_DSTLB: /* Data store TLB miss */ + cpu_abort(cs, "Data store TLB exception while in user-mode. " + "Aborting"); + break; + case POWERPC_EXCP_FPA: /* Floating-point assist exception */ + cpu_abort(cs, "Floating-point assist exception not handled\n"); + break; + case POWERPC_EXCP_IABR: /* Instruction address breakpoint */ + cpu_abort(cs, "Instruction address breakpoint exception " + "not handled\n"); + break; + case POWERPC_EXCP_SMI: /* System management interrupt */ + cpu_abort(cs, "System management interrupt while in user mode. " + "Aborting\n"); + break; + case POWERPC_EXCP_THERM: /* Thermal interrupt */ + cpu_abort(cs, "Thermal interrupt interrupt while in user mode. " + "Aborting\n"); + break; + case POWERPC_EXCP_PERFM: /* Embedded performance monitor IRQ */ + cpu_abort(cs, "Performance monitor exception not handled\n"); + break; + case POWERPC_EXCP_VPUA: /* Vector assist exception */ + cpu_abort(cs, "Vector assist exception not handled\n"); + break; + case POWERPC_EXCP_SOFTP: /* Soft patch exception */ + cpu_abort(cs, "Soft patch exception not handled\n"); + break; + case POWERPC_EXCP_MAINT: /* Maintenance exception */ + cpu_abort(cs, "Maintenance exception while in user mode. " + "Aborting\n"); + break; + case POWERPC_EXCP_STOP: /* stop translation */ + /* We did invalidate the instruction cache. Go on */ + break; + case POWERPC_EXCP_BRANCH: /* branch instruction: */ + /* We just stopped because of a branch. Go on */ + break; + case POWERPC_EXCP_SYSCALL_USER: + /* system call in user-mode emulation */ + /* WARNING: + * PPC ABI uses overflow flag in cr0 to signal an error + * in syscalls. + */ + env->crf[0] &= ~0x1; + env->nip += 4; + ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4], + env->gpr[5], env->gpr[6], env->gpr[7], + env->gpr[8], 0, 0); + if (ret == -TARGET_ERESTARTSYS) { + env->nip -= 4; + break; + } + if (ret == (target_ulong)(-TARGET_QEMU_ESIGRETURN)) { + /* Returning from a successful sigreturn syscall. + Avoid corrupting register state. */ + break; + } + if (ret > (target_ulong)(-515)) { + env->crf[0] |= 0x1; + ret = -ret; + } + env->gpr[3] = ret; + break; + case POWERPC_EXCP_STCX: + if (do_store_exclusive(env)) { + info.si_signo = TARGET_SIGSEGV; + info.si_errno = 0; + info.si_code = TARGET_SEGV_MAPERR; + info._sifields._sigfault._addr = env->nip; + queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); + } + break; + case EXCP_DEBUG: + { + int sig; + + sig = gdb_handlesig(cs, TARGET_SIGTRAP); + if (sig) { + info.si_signo = sig; + info.si_errno = 0; + info.si_code = TARGET_TRAP_BRKPT; + queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); + } + } + break; + case EXCP_INTERRUPT: + /* just indicate that signals should be handled asap */ + break; + case EXCP_ATOMIC: + cpu_exec_step_atomic(cs); + break; + default: + cpu_abort(cs, "Unknown exception 0x%x. Aborting\n", trapnr); + break; + } + process_pending_signals(env); + } +} + void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs) { + int i; + +#if defined(TARGET_PPC64) + int flag = (env->insns_flags2 & PPC2_BOOKE206) ? MSR_CM : MSR_SF; +#if defined(TARGET_ABI32) + env->msr &= ~((target_ulong)1 << flag); +#else + env->msr |= (target_ulong)1 << flag; +#endif +#endif + env->nip = regs->nip; + for(i = 0; i < 32; i++) { + env->gpr[i] = regs->gpr[i]; + } }