diff options
Diffstat (limited to 'target-i386/exec.h')
| -rw-r--r-- | target-i386/exec.h | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/target-i386/exec.h b/target-i386/exec.h deleted file mode 100644 index dd9bce4eed..0000000000 --- a/target-i386/exec.h +++ /dev/null @@ -1,142 +0,0 @@ -/* - * i386 execution defines - * - * Copyright (c) 2003 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 <http://www.gnu.org/licenses/>. - */ -#include "config.h" -#include "dyngen-exec.h" - -/* XXX: factorize this mess */ -#ifdef TARGET_X86_64 -#define TARGET_LONG_BITS 64 -#else -#define TARGET_LONG_BITS 32 -#endif - -#include "cpu-defs.h" - -register struct CPUX86State *env asm(AREG0); - -#include "qemu-common.h" -#include "qemu-log.h" - -#include "cpu.h" - -/* op_helper.c */ -void QEMU_NORETURN raise_exception_err(int exception_index, int error_code); -void QEMU_NORETURN raise_exception(int exception_index); -void QEMU_NORETURN raise_exception_env(int exception_index, CPUState *nenv); - -/* n must be a constant to be efficient */ -static inline target_long lshift(target_long x, int n) -{ - if (n >= 0) - return x << n; - else - return x >> (-n); -} - -#include "helper.h" - -#if !defined(CONFIG_USER_ONLY) - -#include "softmmu_exec.h" - -#endif /* !defined(CONFIG_USER_ONLY) */ - -#define RC_MASK 0xc00 -#define RC_NEAR 0x000 -#define RC_DOWN 0x400 -#define RC_UP 0x800 -#define RC_CHOP 0xc00 - -#define MAXTAN 9223372036854775808.0 - -/* the following deal with x86 long double-precision numbers */ -#define MAXEXPD 0x7fff -#define EXPBIAS 16383 -#define EXPD(fp) (fp.l.upper & 0x7fff) -#define SIGND(fp) ((fp.l.upper) & 0x8000) -#define MANTD(fp) (fp.l.lower) -#define BIASEXPONENT(fp) fp.l.upper = (fp.l.upper & ~(0x7fff)) | EXPBIAS - -static inline void fpush(void) -{ - env->fpstt = (env->fpstt - 1) & 7; - env->fptags[env->fpstt] = 0; /* validate stack entry */ -} - -static inline void fpop(void) -{ - env->fptags[env->fpstt] = 1; /* invvalidate stack entry */ - env->fpstt = (env->fpstt + 1) & 7; -} - -static inline floatx80 helper_fldt(target_ulong ptr) -{ - CPU_LDoubleU temp; - - temp.l.lower = ldq(ptr); - temp.l.upper = lduw(ptr + 8); - return temp.d; -} - -static inline void helper_fstt(floatx80 f, target_ulong ptr) -{ - CPU_LDoubleU temp; - - temp.d = f; - stq(ptr, temp.l.lower); - stw(ptr + 8, temp.l.upper); -} - -#define FPUS_IE (1 << 0) -#define FPUS_DE (1 << 1) -#define FPUS_ZE (1 << 2) -#define FPUS_OE (1 << 3) -#define FPUS_UE (1 << 4) -#define FPUS_PE (1 << 5) -#define FPUS_SF (1 << 6) -#define FPUS_SE (1 << 7) -#define FPUS_B (1 << 15) - -#define FPUC_EM 0x3f - -static inline uint32_t compute_eflags(void) -{ - return env->eflags | helper_cc_compute_all(CC_OP) | (DF & DF_MASK); -} - -/* NOTE: CC_OP must be modified manually to CC_OP_EFLAGS */ -static inline void load_eflags(int eflags, int update_mask) -{ - CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C); - DF = 1 - (2 * ((eflags >> 10) & 1)); - env->eflags = (env->eflags & ~update_mask) | - (eflags & update_mask) | 0x2; -} - -/* load efer and update the corresponding hflags. XXX: do consistency - checks with cpuid bits ? */ -static inline void cpu_load_efer(CPUState *env, uint64_t val) -{ - env->efer = val; - env->hflags &= ~(HF_LMA_MASK | HF_SVME_MASK); - if (env->efer & MSR_EFER_LMA) - env->hflags |= HF_LMA_MASK; - if (env->efer & MSR_EFER_SVME) - env->hflags |= HF_SVME_MASK; -} |