From d0b4968cd24a0152e88396d40310cdbae9555a1f Mon Sep 17 00:00:00 2001 From: Richard Purdie Date: Tue, 4 Dec 2007 13:58:45 +0000 Subject: qemu: Make 20071121 the default version and cleanup various file locations and recipes git-svn-id: https://svn.o-hand.com/repos/poky/trunk@3305 311d38ba-8fff-0310-9ca6-ca027cbcb966 --- .../qemu/files/12_signal_powerpc_support.patch | 401 --------------------- 1 file changed, 401 deletions(-) delete mode 100644 meta/packages/qemu/files/12_signal_powerpc_support.patch (limited to 'meta/packages/qemu/files/12_signal_powerpc_support.patch') diff --git a/meta/packages/qemu/files/12_signal_powerpc_support.patch b/meta/packages/qemu/files/12_signal_powerpc_support.patch deleted file mode 100644 index d8d419878..000000000 --- a/meta/packages/qemu/files/12_signal_powerpc_support.patch +++ /dev/null @@ -1,401 +0,0 @@ -#DPATCHLEVEL=1 ---- -# linux-user/signal.c | 371 ++++++++++++++++++++++++++++++++++++++++++++++++++++ -# 1 file changed, 371 insertions(+) -# -Index: qemu/linux-user/signal.c -=================================================================== ---- qemu.orig/linux-user/signal.c 2007-06-13 11:51:54.000000000 +0100 -+++ qemu/linux-user/signal.c 2007-06-13 11:51:54.000000000 +0100 -@@ -2,6 +2,7 @@ - * Emulation of Linux signals - * - * Copyright (c) 2003 Fabrice Bellard -+ * Copyright (c) 2005 Josh Triplett - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by -@@ -16,6 +17,12 @@ - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -+ * -+ * Various portions adapted from the Linux kernel: -+ * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org) -+ * Derived from "arch/i386/kernel/signal.c" -+ * Copyright (C) 1991, 1992 Linus Torvalds -+ * 1997-11-28 Modified for POSIX.1b signals by Richard Henderson - */ - #include - #include -@@ -1964,6 +1971,370 @@ long do_rt_sigreturn(CPUState *env) - return -ENOSYS; - } - -+#elif defined(TARGET_PPC) -+/* Adapted from the Linux kernel: -+ * arch/ppc/kernel/signal.c -+ * include/asm-ppc/elf.h -+ * include/asm-ppc/ptrace.h -+ * include/asm-ppc/sigcontext.h -+ * include/asm-ppc/ucontext.h -+ */ -+ -+/* -+ * When we have signals to deliver, we set up on the -+ * user stack, going down from the original stack pointer: -+ * a sigregs struct -+ * a sigcontext struct -+ * a gap of __SIGNAL_FRAMESIZE bytes -+ * -+ * Each of these things must be a multiple of 16 bytes in size. -+ * -+ */ -+ -+#define TARGET_ELF_NGREG 48 /* includes nip, msr, lr, etc. */ -+#define TARGET_ELF_NFPREG 33 /* includes fpscr */ -+#define TARGET_ELF_NVRREG 33 /* includes vscr */ -+ -+/* General registers */ -+typedef unsigned long target_elf_greg_t; -+typedef target_elf_greg_t target_elf_gregset_t[TARGET_ELF_NGREG]; -+ -+/* Floating point registers */ -+typedef double target_elf_fpreg_t; -+typedef target_elf_fpreg_t target_elf_fpregset_t[TARGET_ELF_NFPREG]; -+ -+/* Altivec registers */ -+/* FIXME: Altivec not supported yet. */ -+/* typedef __vector128 elf_vrreg_t; */ -+typedef uint64_t target_elf_vrreg_t[2]; -+typedef target_elf_vrreg_t target_elf_vrregset_t[TARGET_ELF_NVRREG]; -+ -+struct target_mcontext { -+ target_elf_gregset_t mc_gregs; -+ target_elf_fpregset_t mc_fregs; -+ /* The kernel calls this mc_pad, but does #define tramp mc_pad */ -+ target_ulong tramp[2]; -+ target_elf_vrregset_t mc_vregs __attribute__((__aligned__(16))); -+}; -+ -+struct target_sigregs { -+ struct target_mcontext mctx; /* all the register values */ -+ /* Programs using the rs6000/xcoff abi can save up to 19 gp regs -+ and 18 fp regs below sp before decrementing it. */ -+ int abigap[56]; -+}; -+ -+struct target_sigcontext { -+ target_ulong _unused[4]; -+ uint32_t signal; -+ target_ulong handler; -+ target_ulong oldmask; -+ struct target_pt_regs *regs; -+}; -+ -+#define __SIGNAL_FRAMESIZE 64 -+ -+static int -+save_user_regs(CPUState *env, struct target_mcontext *frame, int sigret) -+{ -+ /* save general and floating-point registers */ -+#if 0 /* FIXME: handle floating-point, Altivec, SPE */ -+ CHECK_FULL_REGS(regs); -+ preempt_disable(); -+ if (regs->msr & MSR_FP) -+ giveup_fpu(current); -+#ifdef CONFIG_ALTIVEC -+ if (current->thread.used_vr && (regs->msr & MSR_VEC)) -+ giveup_altivec(current); -+#endif /* CONFIG_ALTIVEC */ -+#ifdef CONFIG_SPE -+ if (current->thread.used_spe && (regs->msr & MSR_SPE)) -+ giveup_spe(current); -+#endif /* CONFIG_ALTIVEC */ -+ preempt_enable(); -+#endif /* 0 */ -+ -+ /* Note: this needs to be in the same order as target_pt_regs */ -+ if(!memcpy(&frame->mc_gregs, env->gpr, -+ 32*sizeof(target_elf_greg_t)) -+ || __put_user(env->nip, &frame->mc_gregs[32]) -+ || __put_user(do_load_msr(env), &frame->mc_gregs[33]) -+ /* FIXME: || __put_user(orig_gpr3, &frame->mc_gregs[34]) */ -+ || __put_user(env->ctr, &frame->mc_gregs[35]) -+ || __put_user(env->lr, &frame->mc_gregs[36]) -+ || __put_user(do_load_xer(env), &frame->mc_gregs[37]) -+ || __put_user(do_load_cr(env), &frame->mc_gregs[38]) -+ || __put_user(env->spr[SPR_MQ], &frame->mc_gregs[39]) -+ /* FIXME: || __put_user(trap, &frame->mc_gregs[40]) */ -+ || __put_user(env->spr[SPR_DAR], &frame->mc_gregs[41]) -+ || __put_user(env->spr[SPR_DSISR], &frame->mc_gregs[42]) -+ /* FIXME: || __put_user(result, &frame->mc_gregs[43]) */) -+ return 1; -+ -+ if(!memcpy(&frame->mc_fregs, env->fpr, -+ 32*sizeof(target_elf_fpreg_t)) -+ || __put_user(do_load_fpscr(env), &frame->mc_fregs[32])) -+ -+ do_store_fpscr(env, 0, 0xFF); /* turn off all fp exceptions */ -+ -+#if 0 /* FIXME: handle Altivec, SPE */ -+#ifdef CONFIG_ALTIVEC -+ /* save altivec registers */ -+ if (current->thread.used_vr) { -+ if (!memcpy(&frame->mc_vregs, current->thread.vr, -+ ELF_NVRREG * sizeof(vector128))) -+ return 1; -+ /* set MSR_VEC in the saved MSR value to indicate that -+ frame->mc_vregs contains valid data */ -+ if (__put_user(regs->msr | MSR_VEC, &frame->mc_gregs[PT_MSR])) -+ return 1; -+ } -+ /* else assert((regs->msr & MSR_VEC) == 0) */ -+ -+ /* We always copy to/from vrsave, it's 0 if we don't have or don't -+ * use altivec. Since VSCR only contains 32 bits saved in the least -+ * significant bits of a vector, we "cheat" and stuff VRSAVE in the -+ * most significant bits of that same vector. --BenH -+ */ -+ if (__put_user(current->thread.vrsave, (u32 __user *)&frame->mc_vregs[32])) -+ return 1; -+#endif /* CONFIG_ALTIVEC */ -+ -+#ifdef CONFIG_SPE -+ /* save spe registers */ -+ if (current->thread.used_spe) { -+ if (!memcpy(&frame->mc_vregs, current->thread.evr, -+ ELF_NEVRREG * sizeof(u32))) -+ return 1; -+ /* set MSR_SPE in the saved MSR value to indicate that -+ frame->mc_vregs contains valid data */ -+ if (__put_user(regs->msr | MSR_SPE, &frame->mc_gregs[PT_MSR])) -+ return 1; -+ } -+ /* else assert((regs->msr & MSR_SPE) == 0) */ -+ -+ /* We always copy to/from spefscr */ -+ if (__put_user(current->thread.spefscr, (u32 *)&frame->mc_vregs + ELF_NEVRREG)) -+ return 1; -+#endif /* CONFIG_SPE */ -+#endif /* 0 */ -+ -+ if (sigret) { -+ /* Set up the sigreturn trampoline: li r0,sigret; sc */ -+ if (__put_user(0x38000000UL + sigret, &frame->tramp[0]) -+ || __put_user(0x44000002UL, &frame->tramp[1])) -+ return 1; -+#if 0 -+ flush_icache_range((unsigned long) &frame->tramp[0], -+ (unsigned long) &frame->tramp[2]); -+#endif -+ } -+ -+ return 0; -+} -+ -+static int -+restore_user_regs(CPUState *env, struct target_mcontext *sr, int sig) -+{ -+ target_ulong save_r2 = 0; -+ target_ulong saved_xer; -+ target_ulong saved_cr; -+ double saved_fpscr; -+ -+#if 0 /* FIXME: handle Altivec, SPE */ -+#if defined(CONFIG_ALTIVEC) || defined(CONFIG_SPE) -+ unsigned long msr; -+#endif -+#endif /* 0 */ -+ -+ /* backup/restore the TLS as we don't want it to be modified */ -+ if (!sig) -+ save_r2 = env->gpr[2]; -+ -+ /* Copy all registers except MSR */ -+ /* Note: this needs to be in the same order as target_pt_regs */ -+ if(!memcpy(env->gpr, &sr->mc_gregs, -+ 32*sizeof(target_elf_greg_t)) -+ || __get_user(env->nip, &sr->mc_gregs[32]) -+ /* FIXME: || __get_user(orig_gpr3, &sr->mc_gregs[34]) */ -+ || __get_user(env->ctr, &sr->mc_gregs[35]) -+ || __get_user(env->lr, &sr->mc_gregs[36]) -+ || __get_user(saved_xer, &sr->mc_gregs[37]) -+ || __get_user(saved_cr, &sr->mc_gregs[38]) -+ || __get_user(env->spr[SPR_MQ], &sr->mc_gregs[39]) -+ /* FIXME: || __get_user(trap, &sr->mc_gregs[40]) */ -+ || __get_user(env->spr[SPR_DAR], &sr->mc_gregs[41]) -+ || __get_user(env->spr[SPR_DSISR], &sr->mc_gregs[42]) -+ /* FIXME: || __get_user(result, &sr->mc_gregs[43]) */) -+ return 1; -+ do_store_xer(env, saved_xer); -+ do_store_cr(env, saved_cr, 0xFF); -+ -+ if (!sig) -+ env->gpr[2] = save_r2; -+ -+ /* The kernel delays restoring the floating-point registers until the -+ * thread uses floating-point again. For simplicity, just restore the -+ * registers now. */ -+ if(!memcpy(env->fpr, &sr->mc_fregs, -+ 32*sizeof(target_elf_fpreg_t)) -+ || __get_user(saved_fpscr, &sr->mc_fregs[32])) -+ return 1; -+ do_store_fpscr(env, saved_fpscr, 0xFF); -+ -+#if 0 /* FIXME: handle Altivec, SPE */ -+#ifdef CONFIG_ALTIVEC -+ /* force the process to reload the altivec registers from -+ current->thread when it next does altivec instructions */ -+ regs->msr &= ~MSR_VEC; -+ if (!__get_user(msr, &sr->mc_gregs[PT_MSR]) && (msr & MSR_VEC) != 0) { -+ /* restore altivec registers from the stack */ -+ if (!memcpy(current->thread.vr, &sr->mc_vregs, -+ sizeof(sr->mc_vregs))) -+ return 1; -+ } else if (current->thread.used_vr) -+ memset(¤t->thread.vr, 0, ELF_NVRREG * sizeof(vector128)); -+ -+ /* Always get VRSAVE back */ -+ if (__get_user(current->thread.vrsave, (u32 __user *)&sr->mc_vregs[32])) -+ return 1; -+#endif /* CONFIG_ALTIVEC */ -+ -+#ifdef CONFIG_SPE -+ /* force the process to reload the spe registers from -+ current->thread when it next does spe instructions */ -+ regs->msr &= ~MSR_SPE; -+ if (!__get_user(msr, &sr->mc_gregs[PT_MSR]) && (msr & MSR_SPE) != 0) { -+ /* restore spe registers from the stack */ -+ if (!memcpy(current->thread.evr, &sr->mc_vregs, -+ ELF_NEVRREG * sizeof(u32))) -+ return 1; -+ } else if (current->thread.used_spe) -+ memset(¤t->thread.evr, 0, ELF_NEVRREG * sizeof(u32)); -+ -+ /* Always get SPEFSCR back */ -+ if (__get_user(current->thread.spefscr, (u32 *)&sr->mc_vregs + ELF_NEVRREG)) -+ return 1; -+#endif /* CONFIG_SPE */ -+#endif /* 0 */ -+ -+#if 0 /* FIXME: handle floating-point, Altivec, SPE */ -+#ifndef CONFIG_SMP -+ preempt_disable(); -+ if (last_task_used_math == current) -+ last_task_used_math = NULL; -+ if (last_task_used_altivec == current) -+ last_task_used_altivec = NULL; -+ if (last_task_used_spe == current) -+ last_task_used_spe = NULL; -+ preempt_enable(); -+#endif -+#endif /* 0 */ -+ return 0; -+} -+ -+static void setup_frame(int sig, struct emulated_sigaction *ka, -+ target_sigset_t *oldset, CPUState *env) -+{ -+ struct target_sigcontext *sc; -+ struct target_sigregs *frame; -+ target_ulong origsp = env->gpr[1]; -+ target_ulong newsp = origsp; -+ -+ /* Set up Signal Frame */ -+ newsp -= sizeof(struct target_sigregs); -+ frame = (struct target_sigregs *) newsp; -+ -+ /* Put a sigcontext on the stack */ -+ newsp -= sizeof(*sc); -+ sc = (struct target_sigcontext *) newsp; -+ -+ /* create a stack frame for the caller of the handler */ -+ newsp -= __SIGNAL_FRAMESIZE; -+ -+ if (!access_ok(VERIFY_WRITE, (void *) newsp, origsp - newsp)) -+ goto badframe; -+ -+#if TARGET_NSIG != 64 -+#error "Please adjust handle_signal()" -+#endif -+ if (__put_user((target_ulong) ka->sa._sa_handler, &sc->handler) -+ || __put_user(oldset->sig[0], &sc->oldmask) -+ || __put_user(oldset->sig[1], &sc->_unused[3]) -+ || __put_user(frame, (target_ulong *)&sc->regs) -+ || __put_user(sig, &sc->signal)) -+ goto badframe; -+ -+ if (save_user_regs(env, &frame->mctx, TARGET_NR_sigreturn)) -+ goto badframe; -+ -+ if (put_user(env->gpr[1], (unsigned long *)newsp)) -+ goto badframe; -+ env->gpr[1] = newsp; -+ env->gpr[3] = sig; -+ env->gpr[4] = (unsigned long) sc; -+ env->nip = (unsigned long) ka->sa._sa_handler; -+ env->lr = (unsigned long) frame->mctx.tramp; -+ /* FIXME: env->trap = 0; */ -+ -+ return; -+ -+badframe: -+#ifdef DEBUG_SIGNAL -+ fprintf(stderr, -+ "badframe in handle_signal, frame=%p newsp=%lx\n", -+ frame, newsp); -+#endif -+ force_sig(TARGET_SIGSEGV); -+} -+ -+static void setup_rt_frame(int sig, struct emulated_sigaction *ka, -+ target_siginfo_t *info, -+ target_sigset_t *set, CPUState *env) -+{ -+ fprintf(stderr, "setup_rt_frame: not implemented\n"); -+} -+ -+long do_sigreturn(CPUState *env) -+{ -+ struct target_sigcontext *sc; -+ struct target_sigcontext sigctx; -+ struct target_mcontext *sr; -+ target_sigset_t set; -+ sigset_t host_set; -+ -+ /* Always make any pending restarted system calls return -EINTR */ -+#if 0 /* FIXME */ -+ current_thread_info()->restart_block.fn = do_no_restart_syscall; -+#endif -+ -+ sc = (struct target_sigcontext *)(env->gpr[1] + __SIGNAL_FRAMESIZE); -+ if (!memcpy(&sigctx, sc, sizeof(sigctx))) -+ goto badframe; -+ -+ set.sig[0] = sigctx.oldmask; -+ set.sig[1] = sigctx._unused[3]; -+ target_to_host_sigset_internal(&host_set, &set); -+ sigprocmask(SIG_SETMASK, &host_set, NULL); -+ -+ sr = (struct target_mcontext *) tswapl((target_ulong)sigctx.regs); -+ if (!access_ok(VERIFY_READ, sr, sizeof(*sr)) -+ || restore_user_regs(env, sr, 1)) -+ goto badframe; -+ -+ return 0; -+ -+badframe: -+ force_sig(TARGET_SIGSEGV); -+ return 0; -+} -+ -+long do_rt_sigreturn(CPUState *env) -+{ -+ fprintf(stderr, "do_rt_sigreturn: not implemented\n"); -+ return -ENOSYS; -+} -+ - #else - - static void setup_frame(int sig, struct emulated_sigaction *ka, -- cgit v1.2.3