From bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 Mon Sep 17 00:00:00 2001 From: RajithaY Date: Tue, 25 Apr 2017 03:31:15 -0700 Subject: Adding qemu as a submodule of KVMFORNFV This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY --- qemu/user-exec.c | 677 ------------------------------------------------------- 1 file changed, 677 deletions(-) delete mode 100644 qemu/user-exec.c (limited to 'qemu/user-exec.c') diff --git a/qemu/user-exec.c b/qemu/user-exec.c deleted file mode 100644 index d8d597baf..000000000 --- a/qemu/user-exec.c +++ /dev/null @@ -1,677 +0,0 @@ -/* - * User emulator execution - * - * Copyright (c) 2003-2005 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, see . - */ -#include "qemu/osdep.h" -#include "cpu.h" -#include "disas/disas.h" -#include "tcg.h" -#include "qemu/bitops.h" -#include "exec/cpu_ldst.h" -#include "translate-all.h" - -#undef EAX -#undef ECX -#undef EDX -#undef EBX -#undef ESP -#undef EBP -#undef ESI -#undef EDI -#undef EIP -#ifdef __linux__ -#include -#endif - -//#define DEBUG_SIGNAL - -static void exception_action(CPUState *cpu) -{ -#if defined(TARGET_I386) - X86CPU *x86_cpu = X86_CPU(cpu); - CPUX86State *env1 = &x86_cpu->env; - - raise_exception_err(env1, cpu->exception_index, env1->error_code); -#else - cpu_loop_exit(cpu); -#endif -} - -/* exit the current TB from a signal handler. The host registers are - restored in a state compatible with the CPU emulator - */ -void cpu_resume_from_signal(CPUState *cpu, void *puc) -{ -#ifdef __linux__ - struct ucontext *uc = puc; -#elif defined(__OpenBSD__) - struct sigcontext *uc = puc; -#endif - - if (puc) { - /* XXX: use siglongjmp ? */ -#ifdef __linux__ -#ifdef __ia64 - sigprocmask(SIG_SETMASK, (sigset_t *)&uc->uc_sigmask, NULL); -#else - sigprocmask(SIG_SETMASK, &uc->uc_sigmask, NULL); -#endif -#elif defined(__OpenBSD__) - sigprocmask(SIG_SETMASK, &uc->sc_mask, NULL); -#endif - } - cpu->exception_index = -1; - siglongjmp(cpu->jmp_env, 1); -} - -/* 'pc' is the host PC at which the exception was raised. 'address' is - the effective address of the memory exception. 'is_write' is 1 if a - write caused the exception and otherwise 0'. 'old_set' is the - signal set which should be restored */ -static inline int handle_cpu_signal(uintptr_t pc, unsigned long address, - int is_write, sigset_t *old_set, - void *puc) -{ - CPUState *cpu; - CPUClass *cc; - int ret; - -#if defined(DEBUG_SIGNAL) - printf("qemu: SIGSEGV pc=0x%08lx address=%08lx w=%d oldset=0x%08lx\n", - pc, address, is_write, *(unsigned long *)old_set); -#endif - /* XXX: locking issue */ - if (is_write && h2g_valid(address) - && page_unprotect(h2g(address), pc, puc)) { - return 1; - } - - /* Convert forcefully to guest address space, invalid addresses - are still valid segv ones */ - address = h2g_nocheck(address); - - cpu = current_cpu; - cc = CPU_GET_CLASS(cpu); - /* see if it is an MMU fault */ - g_assert(cc->handle_mmu_fault); - ret = cc->handle_mmu_fault(cpu, address, is_write, MMU_USER_IDX); - if (ret < 0) { - return 0; /* not an MMU fault */ - } - if (ret == 0) { - return 1; /* the MMU fault was handled without causing real CPU fault */ - } - /* now we have a real cpu fault */ - cpu_restore_state(cpu, pc); - - /* we restore the process signal mask as the sigreturn should - do it (XXX: use sigsetjmp) */ - sigprocmask(SIG_SETMASK, old_set, NULL); - exception_action(cpu); - - /* never comes here */ - return 1; -} - -#if defined(__i386__) - -#if defined(__APPLE__) -#include - -#define EIP_sig(context) (*((unsigned long *)&(context)->uc_mcontext->ss.eip)) -#define TRAP_sig(context) ((context)->uc_mcontext->es.trapno) -#define ERROR_sig(context) ((context)->uc_mcontext->es.err) -#define MASK_sig(context) ((context)->uc_sigmask) -#elif defined(__NetBSD__) -#include - -#define EIP_sig(context) ((context)->uc_mcontext.__gregs[_REG_EIP]) -#define TRAP_sig(context) ((context)->uc_mcontext.__gregs[_REG_TRAPNO]) -#define ERROR_sig(context) ((context)->uc_mcontext.__gregs[_REG_ERR]) -#define MASK_sig(context) ((context)->uc_sigmask) -#elif defined(__FreeBSD__) || defined(__DragonFly__) -#include - -#define EIP_sig(context) (*((unsigned long *)&(context)->uc_mcontext.mc_eip)) -#define TRAP_sig(context) ((context)->uc_mcontext.mc_trapno) -#define ERROR_sig(context) ((context)->uc_mcontext.mc_err) -#define MASK_sig(context) ((context)->uc_sigmask) -#elif defined(__OpenBSD__) -#define EIP_sig(context) ((context)->sc_eip) -#define TRAP_sig(context) ((context)->sc_trapno) -#define ERROR_sig(context) ((context)->sc_err) -#define MASK_sig(context) ((context)->sc_mask) -#else -#define EIP_sig(context) ((context)->uc_mcontext.gregs[REG_EIP]) -#define TRAP_sig(context) ((context)->uc_mcontext.gregs[REG_TRAPNO]) -#define ERROR_sig(context) ((context)->uc_mcontext.gregs[REG_ERR]) -#define MASK_sig(context) ((context)->uc_sigmask) -#endif - -int cpu_signal_handler(int host_signum, void *pinfo, - void *puc) -{ - siginfo_t *info = pinfo; -#if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__) - ucontext_t *uc = puc; -#elif defined(__OpenBSD__) - struct sigcontext *uc = puc; -#else - struct ucontext *uc = puc; -#endif - unsigned long pc; - int trapno; - -#ifndef REG_EIP -/* for glibc 2.1 */ -#define REG_EIP EIP -#define REG_ERR ERR -#define REG_TRAPNO TRAPNO -#endif - pc = EIP_sig(uc); - trapno = TRAP_sig(uc); - return handle_cpu_signal(pc, (unsigned long)info->si_addr, - trapno == 0xe ? - (ERROR_sig(uc) >> 1) & 1 : 0, - &MASK_sig(uc), puc); -} - -#elif defined(__x86_64__) - -#ifdef __NetBSD__ -#define PC_sig(context) _UC_MACHINE_PC(context) -#define TRAP_sig(context) ((context)->uc_mcontext.__gregs[_REG_TRAPNO]) -#define ERROR_sig(context) ((context)->uc_mcontext.__gregs[_REG_ERR]) -#define MASK_sig(context) ((context)->uc_sigmask) -#elif defined(__OpenBSD__) -#define PC_sig(context) ((context)->sc_rip) -#define TRAP_sig(context) ((context)->sc_trapno) -#define ERROR_sig(context) ((context)->sc_err) -#define MASK_sig(context) ((context)->sc_mask) -#elif defined(__FreeBSD__) || defined(__DragonFly__) -#include - -#define PC_sig(context) (*((unsigned long *)&(context)->uc_mcontext.mc_rip)) -#define TRAP_sig(context) ((context)->uc_mcontext.mc_trapno) -#define ERROR_sig(context) ((context)->uc_mcontext.mc_err) -#define MASK_sig(context) ((context)->uc_sigmask) -#else -#define PC_sig(context) ((context)->uc_mcontext.gregs[REG_RIP]) -#define TRAP_sig(context) ((context)->uc_mcontext.gregs[REG_TRAPNO]) -#define ERROR_sig(context) ((context)->uc_mcontext.gregs[REG_ERR]) -#define MASK_sig(context) ((context)->uc_sigmask) -#endif - -int cpu_signal_handler(int host_signum, void *pinfo, - void *puc) -{ - siginfo_t *info = pinfo; - unsigned long pc; -#if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__) - ucontext_t *uc = puc; -#elif defined(__OpenBSD__) - struct sigcontext *uc = puc; -#else - struct ucontext *uc = puc; -#endif - - pc = PC_sig(uc); - return handle_cpu_signal(pc, (unsigned long)info->si_addr, - TRAP_sig(uc) == 0xe ? - (ERROR_sig(uc) >> 1) & 1 : 0, - &MASK_sig(uc), puc); -} - -#elif defined(_ARCH_PPC) - -/*********************************************************************** - * signal context platform-specific definitions - * From Wine - */ -#ifdef linux -/* All Registers access - only for local access */ -#define REG_sig(reg_name, context) \ - ((context)->uc_mcontext.regs->reg_name) -/* Gpr Registers access */ -#define GPR_sig(reg_num, context) REG_sig(gpr[reg_num], context) -/* Program counter */ -#define IAR_sig(context) REG_sig(nip, context) -/* Machine State Register (Supervisor) */ -#define MSR_sig(context) REG_sig(msr, context) -/* Count register */ -#define CTR_sig(context) REG_sig(ctr, context) -/* User's integer exception register */ -#define XER_sig(context) REG_sig(xer, context) -/* Link register */ -#define LR_sig(context) REG_sig(link, context) -/* Condition register */ -#define CR_sig(context) REG_sig(ccr, context) - -/* Float Registers access */ -#define FLOAT_sig(reg_num, context) \ - (((double *)((char *)((context)->uc_mcontext.regs + 48 * 4)))[reg_num]) -#define FPSCR_sig(context) \ - (*(int *)((char *)((context)->uc_mcontext.regs + (48 + 32 * 2) * 4))) -/* Exception Registers access */ -#define DAR_sig(context) REG_sig(dar, context) -#define DSISR_sig(context) REG_sig(dsisr, context) -#define TRAP_sig(context) REG_sig(trap, context) -#endif /* linux */ - -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) -#include -#define IAR_sig(context) ((context)->uc_mcontext.mc_srr0) -#define MSR_sig(context) ((context)->uc_mcontext.mc_srr1) -#define CTR_sig(context) ((context)->uc_mcontext.mc_ctr) -#define XER_sig(context) ((context)->uc_mcontext.mc_xer) -#define LR_sig(context) ((context)->uc_mcontext.mc_lr) -#define CR_sig(context) ((context)->uc_mcontext.mc_cr) -/* Exception Registers access */ -#define DAR_sig(context) ((context)->uc_mcontext.mc_dar) -#define DSISR_sig(context) ((context)->uc_mcontext.mc_dsisr) -#define TRAP_sig(context) ((context)->uc_mcontext.mc_exc) -#endif /* __FreeBSD__|| __FreeBSD_kernel__ */ - -#ifdef __APPLE__ -#include -typedef struct ucontext SIGCONTEXT; -/* All Registers access - only for local access */ -#define REG_sig(reg_name, context) \ - ((context)->uc_mcontext->ss.reg_name) -#define FLOATREG_sig(reg_name, context) \ - ((context)->uc_mcontext->fs.reg_name) -#define EXCEPREG_sig(reg_name, context) \ - ((context)->uc_mcontext->es.reg_name) -#define VECREG_sig(reg_name, context) \ - ((context)->uc_mcontext->vs.reg_name) -/* Gpr Registers access */ -#define GPR_sig(reg_num, context) REG_sig(r##reg_num, context) -/* Program counter */ -#define IAR_sig(context) REG_sig(srr0, context) -/* Machine State Register (Supervisor) */ -#define MSR_sig(context) REG_sig(srr1, context) -#define CTR_sig(context) REG_sig(ctr, context) -/* Link register */ -#define XER_sig(context) REG_sig(xer, context) -/* User's integer exception register */ -#define LR_sig(context) REG_sig(lr, context) -/* Condition register */ -#define CR_sig(context) REG_sig(cr, context) -/* Float Registers access */ -#define FLOAT_sig(reg_num, context) \ - FLOATREG_sig(fpregs[reg_num], context) -#define FPSCR_sig(context) \ - ((double)FLOATREG_sig(fpscr, context)) -/* Exception Registers access */ -/* Fault registers for coredump */ -#define DAR_sig(context) EXCEPREG_sig(dar, context) -#define DSISR_sig(context) EXCEPREG_sig(dsisr, context) -/* number of powerpc exception taken */ -#define TRAP_sig(context) EXCEPREG_sig(exception, context) -#endif /* __APPLE__ */ - -int cpu_signal_handler(int host_signum, void *pinfo, - void *puc) -{ - siginfo_t *info = pinfo; -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) - ucontext_t *uc = puc; -#else - struct ucontext *uc = puc; -#endif - unsigned long pc; - int is_write; - - pc = IAR_sig(uc); - is_write = 0; -#if 0 - /* ppc 4xx case */ - if (DSISR_sig(uc) & 0x00800000) { - is_write = 1; - } -#else - if (TRAP_sig(uc) != 0x400 && (DSISR_sig(uc) & 0x02000000)) { - is_write = 1; - } -#endif - return handle_cpu_signal(pc, (unsigned long)info->si_addr, - is_write, &uc->uc_sigmask, puc); -} - -#elif defined(__alpha__) - -int cpu_signal_handler(int host_signum, void *pinfo, - void *puc) -{ - siginfo_t *info = pinfo; - struct ucontext *uc = puc; - uint32_t *pc = uc->uc_mcontext.sc_pc; - uint32_t insn = *pc; - int is_write = 0; - - /* XXX: need kernel patch to get write flag faster */ - switch (insn >> 26) { - case 0x0d: /* stw */ - case 0x0e: /* stb */ - case 0x0f: /* stq_u */ - case 0x24: /* stf */ - case 0x25: /* stg */ - case 0x26: /* sts */ - case 0x27: /* stt */ - case 0x2c: /* stl */ - case 0x2d: /* stq */ - case 0x2e: /* stl_c */ - case 0x2f: /* stq_c */ - is_write = 1; - } - - return handle_cpu_signal(pc, (unsigned long)info->si_addr, - is_write, &uc->uc_sigmask, puc); -} -#elif defined(__sparc__) - -int cpu_signal_handler(int host_signum, void *pinfo, - void *puc) -{ - siginfo_t *info = pinfo; - int is_write; - uint32_t insn; -#if !defined(__arch64__) || defined(CONFIG_SOLARIS) - uint32_t *regs = (uint32_t *)(info + 1); - void *sigmask = (regs + 20); - /* XXX: is there a standard glibc define ? */ - unsigned long pc = regs[1]; -#else -#ifdef __linux__ - struct sigcontext *sc = puc; - unsigned long pc = sc->sigc_regs.tpc; - void *sigmask = (void *)sc->sigc_mask; -#elif defined(__OpenBSD__) - struct sigcontext *uc = puc; - unsigned long pc = uc->sc_pc; - void *sigmask = (void *)(long)uc->sc_mask; -#elif defined(__NetBSD__) - ucontext_t *uc = puc; - unsigned long pc = _UC_MACHINE_PC(uc); - void *sigmask = (void *)&uc->uc_sigmask; -#endif -#endif - - /* XXX: need kernel patch to get write flag faster */ - is_write = 0; - insn = *(uint32_t *)pc; - if ((insn >> 30) == 3) { - switch ((insn >> 19) & 0x3f) { - case 0x05: /* stb */ - case 0x15: /* stba */ - case 0x06: /* sth */ - case 0x16: /* stha */ - case 0x04: /* st */ - case 0x14: /* sta */ - case 0x07: /* std */ - case 0x17: /* stda */ - case 0x0e: /* stx */ - case 0x1e: /* stxa */ - case 0x24: /* stf */ - case 0x34: /* stfa */ - case 0x27: /* stdf */ - case 0x37: /* stdfa */ - case 0x26: /* stqf */ - case 0x36: /* stqfa */ - case 0x25: /* stfsr */ - case 0x3c: /* casa */ - case 0x3e: /* casxa */ - is_write = 1; - break; - } - } - return handle_cpu_signal(pc, (unsigned long)info->si_addr, - is_write, sigmask, NULL); -} - -#elif defined(__arm__) - -#if defined(__NetBSD__) -#include -#endif - -int cpu_signal_handler(int host_signum, void *pinfo, - void *puc) -{ - siginfo_t *info = pinfo; -#if defined(__NetBSD__) - ucontext_t *uc = puc; -#else - struct ucontext *uc = puc; -#endif - unsigned long pc; - int is_write; - -#if defined(__NetBSD__) - pc = uc->uc_mcontext.__gregs[_REG_R15]; -#elif defined(__GLIBC__) && (__GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ <= 3)) - pc = uc->uc_mcontext.gregs[R15]; -#else - pc = uc->uc_mcontext.arm_pc; -#endif - - /* error_code is the FSR value, in which bit 11 is WnR (assuming a v6 or - * later processor; on v5 we will always report this as a read). - */ - is_write = extract32(uc->uc_mcontext.error_code, 11, 1); - return handle_cpu_signal(pc, (unsigned long)info->si_addr, - is_write, - &uc->uc_sigmask, puc); -} - -#elif defined(__aarch64__) - -int cpu_signal_handler(int host_signum, void *pinfo, void *puc) -{ - siginfo_t *info = pinfo; - struct ucontext *uc = puc; - uintptr_t pc = uc->uc_mcontext.pc; - uint32_t insn = *(uint32_t *)pc; - bool is_write; - - /* XXX: need kernel patch to get write flag faster. */ - is_write = ( (insn & 0xbfff0000) == 0x0c000000 /* C3.3.1 */ - || (insn & 0xbfe00000) == 0x0c800000 /* C3.3.2 */ - || (insn & 0xbfdf0000) == 0x0d000000 /* C3.3.3 */ - || (insn & 0xbfc00000) == 0x0d800000 /* C3.3.4 */ - || (insn & 0x3f400000) == 0x08000000 /* C3.3.6 */ - || (insn & 0x3bc00000) == 0x39000000 /* C3.3.13 */ - || (insn & 0x3fc00000) == 0x3d800000 /* ... 128bit */ - /* Ingore bits 10, 11 & 21, controlling indexing. */ - || (insn & 0x3bc00000) == 0x38000000 /* C3.3.8-12 */ - || (insn & 0x3fe00000) == 0x3c800000 /* ... 128bit */ - /* Ignore bits 23 & 24, controlling indexing. */ - || (insn & 0x3a400000) == 0x28000000); /* C3.3.7,14-16 */ - - return handle_cpu_signal(pc, (uintptr_t)info->si_addr, - is_write, &uc->uc_sigmask, puc); -} - -#elif defined(__mc68000) - -int cpu_signal_handler(int host_signum, void *pinfo, - void *puc) -{ - siginfo_t *info = pinfo; - struct ucontext *uc = puc; - unsigned long pc; - int is_write; - - pc = uc->uc_mcontext.gregs[16]; - /* XXX: compute is_write */ - is_write = 0; - return handle_cpu_signal(pc, (unsigned long)info->si_addr, - is_write, - &uc->uc_sigmask, puc); -} - -#elif defined(__ia64) - -#ifndef __ISR_VALID - /* This ought to be in ... */ -# define __ISR_VALID 1 -#endif - -int cpu_signal_handler(int host_signum, void *pinfo, void *puc) -{ - siginfo_t *info = pinfo; - struct ucontext *uc = puc; - unsigned long ip; - int is_write = 0; - - ip = uc->uc_mcontext.sc_ip; - switch (host_signum) { - case SIGILL: - case SIGFPE: - case SIGSEGV: - case SIGBUS: - case SIGTRAP: - if (info->si_code && (info->si_segvflags & __ISR_VALID)) { - /* ISR.W (write-access) is bit 33: */ - is_write = (info->si_isr >> 33) & 1; - } - break; - - default: - break; - } - return handle_cpu_signal(ip, (unsigned long)info->si_addr, - is_write, - (sigset_t *)&uc->uc_sigmask, puc); -} - -#elif defined(__s390__) - -int cpu_signal_handler(int host_signum, void *pinfo, - void *puc) -{ - siginfo_t *info = pinfo; - struct ucontext *uc = puc; - unsigned long pc; - uint16_t *pinsn; - int is_write = 0; - - pc = uc->uc_mcontext.psw.addr; - - /* ??? On linux, the non-rt signal handler has 4 (!) arguments instead - of the normal 2 arguments. The 3rd argument contains the "int_code" - from the hardware which does in fact contain the is_write value. - The rt signal handler, as far as I can tell, does not give this value - at all. Not that we could get to it from here even if it were. */ - /* ??? This is not even close to complete, since it ignores all - of the read-modify-write instructions. */ - pinsn = (uint16_t *)pc; - switch (pinsn[0] >> 8) { - case 0x50: /* ST */ - case 0x42: /* STC */ - case 0x40: /* STH */ - is_write = 1; - break; - case 0xc4: /* RIL format insns */ - switch (pinsn[0] & 0xf) { - case 0xf: /* STRL */ - case 0xb: /* STGRL */ - case 0x7: /* STHRL */ - is_write = 1; - } - break; - case 0xe3: /* RXY format insns */ - switch (pinsn[2] & 0xff) { - case 0x50: /* STY */ - case 0x24: /* STG */ - case 0x72: /* STCY */ - case 0x70: /* STHY */ - case 0x8e: /* STPQ */ - case 0x3f: /* STRVH */ - case 0x3e: /* STRV */ - case 0x2f: /* STRVG */ - is_write = 1; - } - break; - } - return handle_cpu_signal(pc, (unsigned long)info->si_addr, - is_write, &uc->uc_sigmask, puc); -} - -#elif defined(__mips__) - -int cpu_signal_handler(int host_signum, void *pinfo, - void *puc) -{ - siginfo_t *info = pinfo; - struct ucontext *uc = puc; - greg_t pc = uc->uc_mcontext.pc; - int is_write; - - /* XXX: compute is_write */ - is_write = 0; - return handle_cpu_signal(pc, (unsigned long)info->si_addr, - is_write, &uc->uc_sigmask, puc); -} - -#elif defined(__hppa__) - -int cpu_signal_handler(int host_signum, void *pinfo, - void *puc) -{ - siginfo_t *info = pinfo; - struct ucontext *uc = puc; - unsigned long pc = uc->uc_mcontext.sc_iaoq[0]; - uint32_t insn = *(uint32_t *)pc; - int is_write = 0; - - /* XXX: need kernel patch to get write flag faster. */ - switch (insn >> 26) { - case 0x1a: /* STW */ - case 0x19: /* STH */ - case 0x18: /* STB */ - case 0x1b: /* STWM */ - is_write = 1; - break; - - case 0x09: /* CSTWX, FSTWX, FSTWS */ - case 0x0b: /* CSTDX, FSTDX, FSTDS */ - /* Distinguish from coprocessor load ... */ - is_write = (insn >> 9) & 1; - break; - - case 0x03: - switch ((insn >> 6) & 15) { - case 0xa: /* STWS */ - case 0x9: /* STHS */ - case 0x8: /* STBS */ - case 0xe: /* STWAS */ - case 0xc: /* STBYS */ - is_write = 1; - } - break; - } - - return handle_cpu_signal(pc, (unsigned long)info->si_addr, - is_write, &uc->uc_sigmask, puc); -} - -#else - -#error host CPU specific signal handler needed - -#endif -- cgit 1.2.3-korg