diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/block/block.h | 3 | ||||
| -rw-r--r-- | include/exec/cpu-all.h | 9 | ||||
| -rw-r--r-- | include/exec/cpu-defs.h | 23 | ||||
| -rw-r--r-- | include/exec/cpu_ldst.h | 8 | ||||
| -rw-r--r-- | include/exec/exec-all.h | 76 | ||||
| -rw-r--r-- | include/hw/arm/xlnx-zynqmp.h | 6 | ||||
| -rw-r--r-- | include/hw/i386/apic_internal.h | 1 | ||||
| -rw-r--r-- | include/qemu-common.h | 103 | ||||
| -rw-r--r-- | include/qemu/compiler.h | 51 | ||||
| -rw-r--r-- | include/qemu/host-utils.h | 29 | ||||
| -rw-r--r-- | include/qemu/osdep.h | 111 | ||||
| -rw-r--r-- | include/qemu/timer.h | 1 | ||||
| -rw-r--r-- | include/qom/cpu.h | 4 | ||||
| -rw-r--r-- | include/sysemu/os-win32.h | 18 |
14 files changed, 243 insertions, 200 deletions
diff --git a/include/block/block.h b/include/block/block.h index 37916f7208..608cd4e4fb 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -317,7 +317,8 @@ bool bdrv_recurse_is_first_non_filter(BlockDriverState *bs, bool bdrv_is_first_non_filter(BlockDriverState *candidate); /* check if a named node can be replaced when doing drive-mirror */ -BlockDriverState *check_to_replace_node(const char *node_name, Error **errp); +BlockDriverState *check_to_replace_node(BlockDriverState *parent_bs, + const char *node_name, Error **errp); /* async block I/O */ typedef void BlockDriverDirtyHandler(BlockDriverState *bs, int64_t sector, diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h index ea6a9a667c..89db792767 100644 --- a/include/exec/cpu-all.h +++ b/include/exec/cpu-all.h @@ -160,18 +160,11 @@ static inline void tswap64s(uint64_t *s) /* On some host systems the guest address space is reserved on the host. * This allows the guest address space to be offset to a convenient location. */ -#if defined(CONFIG_USE_GUEST_BASE) extern unsigned long guest_base; extern int have_guest_base; extern unsigned long reserved_va; -#define GUEST_BASE guest_base -#define RESERVED_VA reserved_va -#else -#define GUEST_BASE 0ul -#define RESERVED_VA 0ul -#endif -#define GUEST_ADDR_MAX (RESERVED_VA ? RESERVED_VA : \ +#define GUEST_ADDR_MAX (reserved_va ? reserved_va : \ (1ul << TARGET_VIRT_ADDR_SPACE_BITS) - 1) #endif diff --git a/include/exec/cpu-defs.h b/include/exec/cpu-defs.h index 98b9cff310..5093be26ac 100644 --- a/include/exec/cpu-defs.h +++ b/include/exec/cpu-defs.h @@ -105,17 +105,18 @@ typedef struct CPUTLBEntry { bit 3 : indicates that the entry is invalid bit 2..0 : zero */ - target_ulong addr_read; - target_ulong addr_write; - target_ulong addr_code; - /* Addend to virtual address to get host address. IO accesses - use the corresponding iotlb value. */ - uintptr_t addend; - /* padding to get a power of two size */ - uint8_t dummy[(1 << CPU_TLB_ENTRY_BITS) - - (sizeof(target_ulong) * 3 + - ((-sizeof(target_ulong) * 3) & (sizeof(uintptr_t) - 1)) + - sizeof(uintptr_t))]; + union { + struct { + target_ulong addr_read; + target_ulong addr_write; + target_ulong addr_code; + /* Addend to virtual address to get host address. IO accesses + use the corresponding iotlb value. */ + uintptr_t addend; + }; + /* padding to get a power of two size */ + uint8_t dummy[1 << CPU_TLB_ENTRY_BITS]; + }; } CPUTLBEntry; QEMU_BUILD_BUG_ON(sizeof(CPUTLBEntry) != (1 << CPU_TLB_ENTRY_BITS)); diff --git a/include/exec/cpu_ldst.h b/include/exec/cpu_ldst.h index 1239c60f23..26f479416a 100644 --- a/include/exec/cpu_ldst.h +++ b/include/exec/cpu_ldst.h @@ -49,20 +49,20 @@ #if defined(CONFIG_USER_ONLY) /* All direct uses of g2h and h2g need to go away for usermode softmmu. */ -#define g2h(x) ((void *)((unsigned long)(target_ulong)(x) + GUEST_BASE)) +#define g2h(x) ((void *)((unsigned long)(target_ulong)(x) + guest_base)) #if HOST_LONG_BITS <= TARGET_VIRT_ADDR_SPACE_BITS #define h2g_valid(x) 1 #else #define h2g_valid(x) ({ \ - unsigned long __guest = (unsigned long)(x) - GUEST_BASE; \ + unsigned long __guest = (unsigned long)(x) - guest_base; \ (__guest < (1ul << TARGET_VIRT_ADDR_SPACE_BITS)) && \ - (!RESERVED_VA || (__guest < RESERVED_VA)); \ + (!reserved_va || (__guest < reserved_va)); \ }) #endif #define h2g_nocheck(x) ({ \ - unsigned long __ret = (unsigned long)(x) - GUEST_BASE; \ + unsigned long __ret = (unsigned long)(x) - guest_base; \ (abi_ulong)__ret; \ }) diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h index a6fce04f65..83b925172f 100644 --- a/include/exec/exec-all.h +++ b/include/exec/exec-all.h @@ -96,8 +96,46 @@ bool qemu_in_vcpu_thread(void); void cpu_reload_memory_map(CPUState *cpu); void tcg_cpu_address_space_init(CPUState *cpu, AddressSpace *as); /* cputlb.c */ +/** + * tlb_flush_page: + * @cpu: CPU whose TLB should be flushed + * @addr: virtual address of page to be flushed + * + * Flush one page from the TLB of the specified CPU, for all + * MMU indexes. + */ void tlb_flush_page(CPUState *cpu, target_ulong addr); +/** + * tlb_flush: + * @cpu: CPU whose TLB should be flushed + * @flush_global: ignored + * + * Flush the entire TLB for the specified CPU. + * The flush_global flag is in theory an indicator of whether the whole + * TLB should be flushed, or only those entries not marked global. + * In practice QEMU does not implement any global/not global flag for + * TLB entries, and the argument is ignored. + */ void tlb_flush(CPUState *cpu, int flush_global); +/** + * tlb_flush_page_by_mmuidx: + * @cpu: CPU whose TLB should be flushed + * @addr: virtual address of page to be flushed + * @...: list of MMU indexes to flush, terminated by a negative value + * + * Flush one page from the TLB of the specified CPU, for the specified + * MMU indexes. + */ +void tlb_flush_page_by_mmuidx(CPUState *cpu, target_ulong addr, ...); +/** + * tlb_flush_by_mmuidx: + * @cpu: CPU whose TLB should be flushed + * @...: list of MMU indexes to flush, terminated by a negative value + * + * Flush all entries from the TLB of the specified CPU, for the specified + * MMU indexes. + */ +void tlb_flush_by_mmuidx(CPUState *cpu, ...); void tlb_set_page(CPUState *cpu, target_ulong vaddr, hwaddr paddr, int prot, int mmu_idx, target_ulong size); @@ -115,6 +153,15 @@ static inline void tlb_flush_page(CPUState *cpu, target_ulong addr) static inline void tlb_flush(CPUState *cpu, int flush_global) { } + +static inline void tlb_flush_page_by_mmuidx(CPUState *cpu, + target_ulong addr, ...) +{ +} + +static inline void tlb_flush_by_mmuidx(CPUState *cpu, ...) +{ +} #endif #define CODE_GEN_ALIGN 16 /* must be >= of the size of a icache line */ @@ -155,6 +202,8 @@ struct TranslationBlock { void *tc_ptr; /* pointer to the translated code */ /* next matching tb for physical address. */ struct TranslationBlock *phys_hash_next; + /* original tb when cflags has CF_NOCACHE */ + struct TranslationBlock *orig_tb; /* first and second physical page containing code. The lower bit of the pointer tells the index in page_next[] */ struct TranslationBlock *page_next[2]; @@ -308,11 +357,7 @@ extern uintptr_t tci_tb_ptr; to indicate the compressed mode; subtracting two works around that. It is also the case that there are no host isas that contain a call insn smaller than 4 bytes, so we don't worry about special-casing this. */ -#if defined(CONFIG_TCG_INTERPRETER) -# define GETPC_ADJ 0 -#else -# define GETPC_ADJ 2 -#endif +#define GETPC_ADJ 2 #define GETPC() (GETRA() - GETPC_ADJ) @@ -344,27 +389,6 @@ extern int singlestep; /* cpu-exec.c */ extern volatile sig_atomic_t exit_request; -/** - * cpu_can_do_io: - * @cpu: The CPU for which to check IO. - * - * Deterministic execution requires that IO only be performed on the last - * instruction of a TB so that interrupts take effect immediately. - * - * Returns: %true if memory-mapped IO is safe, %false otherwise. - */ -static inline bool cpu_can_do_io(CPUState *cpu) -{ - if (!use_icount) { - return true; - } - /* If not executing code then assume we are ok. */ - if (cpu->current_tb == NULL) { - return true; - } - return cpu->can_do_io != 0; -} - #if !defined(CONFIG_USER_ONLY) void migration_bitmap_extend(ram_addr_t old, ram_addr_t new); #endif diff --git a/include/hw/arm/xlnx-zynqmp.h b/include/hw/arm/xlnx-zynqmp.h index c379632f2a..6ccb57b187 100644 --- a/include/hw/arm/xlnx-zynqmp.h +++ b/include/hw/arm/xlnx-zynqmp.h @@ -32,6 +32,10 @@ #define XLNX_ZYNQMP_NUM_GEMS 4 #define XLNX_ZYNQMP_NUM_UARTS 2 +#define XLNX_ZYNQMP_NUM_OCM_BANKS 4 +#define XLNX_ZYNQMP_OCM_RAM_0_ADDRESS 0xFFFC0000 +#define XLNX_ZYNQMP_OCM_RAM_SIZE 0x10000 + #define XLNX_ZYNQMP_GIC_REGIONS 2 /* ZynqMP maps the ARM GIC regions (GICC, GICD ...) at consecutive 64k offsets @@ -52,6 +56,8 @@ typedef struct XlnxZynqMPState { ARMCPU rpu_cpu[XLNX_ZYNQMP_NUM_RPU_CPUS]; GICState gic; MemoryRegion gic_mr[XLNX_ZYNQMP_GIC_REGIONS][XLNX_ZYNQMP_GIC_ALIASES]; + MemoryRegion ocm_ram[XLNX_ZYNQMP_NUM_OCM_BANKS]; + CadenceGEMState gem[XLNX_ZYNQMP_NUM_GEMS]; CadenceUARTState uart[XLNX_ZYNQMP_NUM_UARTS]; diff --git a/include/hw/i386/apic_internal.h b/include/hw/i386/apic_internal.h index dc7a89d988..26632acf37 100644 --- a/include/hw/i386/apic_internal.h +++ b/include/hw/i386/apic_internal.h @@ -20,6 +20,7 @@ #ifndef QEMU_APIC_INTERNAL_H #define QEMU_APIC_INTERNAL_H +#include "cpu.h" #include "exec/memory.h" #include "hw/cpu/icc_bus.h" #include "qemu/timer.h" diff --git a/include/qemu-common.h b/include/qemu-common.h index fb3da6ca22..bbaffd12e7 100644 --- a/include/qemu-common.h +++ b/include/qemu-common.h @@ -12,8 +12,7 @@ #ifndef QEMU_COMMON_H #define QEMU_COMMON_H -#include "qemu/compiler.h" -#include "config-host.h" +#include "qemu/osdep.h" #include "qemu/typedefs.h" #include "qemu/fprintf-fn.h" @@ -23,60 +22,9 @@ #define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR) -/* we put basic includes here to avoid repeating them in device drivers */ -#include <stdlib.h> -#include <stdio.h> -#include <stdarg.h> -#include <stdbool.h> -#include <string.h> -#include <strings.h> -#include <inttypes.h> -#include <limits.h> -#include <time.h> -#include <ctype.h> -#include <errno.h> -#include <unistd.h> -#include <fcntl.h> -#include <sys/stat.h> -#include <sys/time.h> -#include <assert.h> -#include <signal.h> #include "glib-compat.h" #include "qemu/option.h" -#ifdef _WIN32 -#include "sysemu/os-win32.h" -#endif - -#ifdef CONFIG_POSIX -#include "sysemu/os-posix.h" -#endif - -#ifndef O_LARGEFILE -#define O_LARGEFILE 0 -#endif -#ifndef O_BINARY -#define O_BINARY 0 -#endif -#ifndef MAP_ANONYMOUS -#define MAP_ANONYMOUS MAP_ANON -#endif -#ifndef ENOMEDIUM -#define ENOMEDIUM ENODEV -#endif -#if !defined(ENOTSUP) -#define ENOTSUP 4096 -#endif -#if !defined(ECANCELED) -#define ECANCELED 4097 -#endif -#if !defined(EMEDIUMTYPE) -#define EMEDIUMTYPE 4098 -#endif -#ifndef TIME_MAX -#define TIME_MAX LONG_MAX -#endif - /* HOST_LONG_BITS is the size of a native pointer in bits. */ #if UINTPTR_MAX == UINT32_MAX # define HOST_LONG_BITS 32 @@ -86,23 +34,6 @@ # error Unknown pointer size #endif -#ifdef _WIN32 -#define fsync _commit -#if !defined(lseek) -# define lseek _lseeki64 -#endif -int qemu_ftruncate64(int, int64_t); -#if !defined(ftruncate) -# define ftruncate qemu_ftruncate64 -#endif - -static inline char *realpath(const char *path, char *resolved_path) -{ - _fullpath(resolved_path, path, _MAX_PATH); - return resolved_path; -} -#endif - void cpu_ticks_init(void); /* icount */ @@ -114,7 +45,6 @@ extern int64_t max_delay; extern int64_t max_advance; void dump_drift_info(FILE *f, fprintf_function cpu_fprintf); -#include "qemu/osdep.h" #include "qemu/bswap.h" /* FIXME: Remove NEED_CPU_H. */ @@ -481,37 +411,6 @@ static inline uint8_t from_bcd(uint8_t val) return ((val >> 4) * 10) + (val & 0x0f); } -/* compute with 96 bit intermediate result: (a*b)/c */ -#ifdef CONFIG_INT128 -static inline uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) -{ - return (__int128_t)a * b / c; -} -#else -static inline uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) -{ - union { - uint64_t ll; - struct { -#ifdef HOST_WORDS_BIGENDIAN - uint32_t high, low; -#else - uint32_t low, high; -#endif - } l; - } u, res; - uint64_t rl, rh; - - u.ll = a; - rl = (uint64_t)u.l.low * (uint64_t)b; - rh = (uint64_t)u.l.high * (uint64_t)b; - rh += (rl >> 32); - res.l.high = rh / c; - res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; - return res.ll; -} -#endif - /* Round number down to multiple */ #define QEMU_ALIGN_DOWN(n, m) ((n) / (m) * (m)) diff --git a/include/qemu/compiler.h b/include/qemu/compiler.h index df9dd514f1..d22eb01be4 100644 --- a/include/qemu/compiler.h +++ b/include/qemu/compiler.h @@ -42,10 +42,55 @@ # define QEMU_PACKED __attribute__((packed)) #endif -#define cat(x,y) x ## y -#define cat2(x,y) cat(x,y) +#ifndef glue +#define xglue(x, y) x ## y +#define glue(x, y) xglue(x, y) +#define stringify(s) tostring(s) +#define tostring(s) #s +#endif + +#ifndef likely +#if __GNUC__ < 3 +#define __builtin_expect(x, n) (x) +#endif + +#define likely(x) __builtin_expect(!!(x), 1) +#define unlikely(x) __builtin_expect(!!(x), 0) +#endif + +#ifndef container_of +#define container_of(ptr, type, member) ({ \ + const typeof(((type *) 0)->member) *__mptr = (ptr); \ + (type *) ((char *) __mptr - offsetof(type, member));}) +#endif + +/* Convert from a base type to a parent type, with compile time checking. */ +#ifdef __GNUC__ +#define DO_UPCAST(type, field, dev) ( __extension__ ( { \ + char __attribute__((unused)) offset_must_be_zero[ \ + -offsetof(type, field)]; \ + container_of(dev, type, field);})) +#else +#define DO_UPCAST(type, field, dev) container_of(dev, type, field) +#endif + +#define typeof_field(type, field) typeof(((type *)0)->field) +#define type_check(t1,t2) ((t1*)0 - (t2*)0) + +#ifndef always_inline +#if !((__GNUC__ < 3) || defined(__APPLE__)) +#ifdef __OPTIMIZE__ +#undef inline +#define inline __attribute__ (( always_inline )) __inline__ +#endif +#endif +#else +#undef inline +#define inline always_inline +#endif + #define QEMU_BUILD_BUG_ON(x) \ - typedef char cat2(qemu_build_bug_on__,__LINE__)[(x)?-1:1] __attribute__((unused)); + typedef char glue(qemu_build_bug_on__,__LINE__)[(x)?-1:1] __attribute__((unused)); #if defined __GNUC__ # if !QEMU_GNUC_PREREQ(4, 4) diff --git a/include/qemu/host-utils.h b/include/qemu/host-utils.h index d4f21c947f..c27d3dc898 100644 --- a/include/qemu/host-utils.h +++ b/include/qemu/host-utils.h @@ -45,6 +45,12 @@ static inline void muls64(uint64_t *plow, uint64_t *phigh, *phigh = r >> 64; } +/* compute with 96 bit intermediate result: (a*b)/c */ +static inline uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) +{ + return (__int128_t)a * b / c; +} + static inline int divu128(uint64_t *plow, uint64_t *phigh, uint64_t divisor) { if (divisor == 0) { @@ -75,6 +81,29 @@ void muls64(uint64_t *phigh, uint64_t *plow, int64_t a, int64_t b); void mulu64(uint64_t *phigh, uint64_t *plow, uint64_t a, uint64_t b); int divu128(uint64_t *plow, uint64_t *phigh, uint64_t divisor); int divs128(int64_t *plow, int64_t *phigh, int64_t divisor); + +static inline uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) +{ + union { + uint64_t ll; + struct { +#ifdef HOST_WORDS_BIGENDIAN + uint32_t high, low; +#else + uint32_t low, high; +#endif + } l; + } u, res; + uint64_t rl, rh; + + u.ll = a; + rl = (uint64_t)u.l.low * (uint64_t)b; + rh = (uint64_t)u.l.high * (uint64_t)b; + rh += (rl >> 32); + res.l.high = rh / c; + res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; + return res.ll; +} #endif /** diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h index 3247364268..ab3c8766b4 100644 --- a/include/qemu/osdep.h +++ b/include/qemu/osdep.h @@ -1,12 +1,53 @@ +/* + * OS includes and handling of OS dependencies + * + * This header exists to pull in some common system headers that + * most code in QEMU will want, and to fix up some possible issues with + * it (missing defines, Windows weirdness, and so on). + * + * To avoid getting into possible circular include dependencies, this + * file should not include any other QEMU headers, with the exceptions + * of config-host.h, compiler.h, os-posix.h and os-win32.h, all of which + * are doing a similar job to this file and are under similar constraints. + * + * This header also contains prototypes for functions defined in + * os-*.c and util/oslib-*.c; those would probably be better split + * out into separate header files. + * + * In an ideal world this header would contain only: + * (1) things which everybody needs + * (2) things without which code would work on most platforms but + * fail to compile or misbehave on a minority of host OSes + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ #ifndef QEMU_OSDEP_H #define QEMU_OSDEP_H #include "config-host.h" +#include "qemu/compiler.h" #include <stdarg.h> #include <stddef.h> #include <stdbool.h> #include <stdint.h> #include <sys/types.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <strings.h> +#include <inttypes.h> +#include <limits.h> +#include <time.h> +#include <ctype.h> +#include <errno.h> +#include <unistd.h> +#include <fcntl.h> +#include <sys/stat.h> +#include <sys/time.h> +#include <assert.h> +#include <signal.h> + #ifdef __OpenBSD__ #include <sys/signal.h> #endif @@ -18,7 +59,13 @@ #define WEXITSTATUS(x) (x) #endif -#include <sys/time.h> +#ifdef _WIN32 +#include "sysemu/os-win32.h" +#endif + +#ifdef CONFIG_POSIX +#include "sysemu/os-posix.h" +#endif #if defined(CONFIG_SOLARIS) && CONFIG_SOLARIS_VERSION < 10 /* [u]int_fast*_t not in <sys/int_types.h> */ @@ -27,40 +74,30 @@ typedef unsigned int uint_fast16_t; typedef signed int int_fast16_t; #endif -#ifndef glue -#define xglue(x, y) x ## y -#define glue(x, y) xglue(x, y) -#define stringify(s) tostring(s) -#define tostring(s) #s +#ifndef O_LARGEFILE +#define O_LARGEFILE 0 #endif - -#ifndef likely -#if __GNUC__ < 3 -#define __builtin_expect(x, n) (x) +#ifndef O_BINARY +#define O_BINARY 0 #endif - -#define likely(x) __builtin_expect(!!(x), 1) -#define unlikely(x) __builtin_expect(!!(x), 0) +#ifndef MAP_ANONYMOUS +#define MAP_ANONYMOUS MAP_ANON #endif - -#ifndef container_of -#define container_of(ptr, type, member) ({ \ - const typeof(((type *) 0)->member) *__mptr = (ptr); \ - (type *) ((char *) __mptr - offsetof(type, member));}) +#ifndef ENOMEDIUM +#define ENOMEDIUM ENODEV #endif - -/* Convert from a base type to a parent type, with compile time checking. */ -#ifdef __GNUC__ -#define DO_UPCAST(type, field, dev) ( __extension__ ( { \ - char __attribute__((unused)) offset_must_be_zero[ \ - -offsetof(type, field)]; \ - container_of(dev, type, field);})) -#else -#define DO_UPCAST(type, field, dev) container_of(dev, type, field) +#if !defined(ENOTSUP) +#define ENOTSUP 4096 +#endif +#if !defined(ECANCELED) +#define ECANCELED 4097 +#endif +#if !defined(EMEDIUMTYPE) +#define EMEDIUMTYPE 4098 +#endif +#ifndef TIME_MAX +#define TIME_MAX LONG_MAX #endif - -#define typeof_field(type, field) typeof(((type *)0)->field) -#define type_check(t1,t2) ((t1*)0 - (t2*)0) #ifndef MIN #define MIN(a, b) (((a) < (b)) ? (a) : (b)) @@ -87,20 +124,6 @@ typedef signed int int_fast16_t; #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) #endif -#ifndef always_inline -#if !((__GNUC__ < 3) || defined(__APPLE__)) -#ifdef __OPTIMIZE__ -#undef inline -#define inline __attribute__ (( always_inline )) __inline__ -#endif -#endif -#else -#undef inline -#define inline always_inline -#endif - -#define qemu_printf printf - int qemu_daemon(int nochdir, int noclose); void *qemu_try_memalign(size_t alignment, size_t size); void *qemu_memalign(size_t alignment, size_t size); diff --git a/include/qemu/timer.h b/include/qemu/timer.h index 5923d600fd..99392464a6 100644 --- a/include/qemu/timer.h +++ b/include/qemu/timer.h @@ -4,6 +4,7 @@ #include "qemu/typedefs.h" #include "qemu-common.h" #include "qemu/notify.h" +#include "qemu/host-utils.h" #define NANOSECONDS_PER_SECOND 1000000000LL diff --git a/include/qom/cpu.h b/include/qom/cpu.h index 20aabc9cb3..39712ab7cb 100644 --- a/include/qom/cpu.h +++ b/include/qom/cpu.h @@ -231,7 +231,9 @@ struct kvm_run; * @icount_decr: Number of cycles left, with interrupt flag in high bit. * This allows a single read-compare-cbranch-write sequence to test * for both decrementer underflow and exceptions. - * @can_do_io: Nonzero if memory-mapped IO is safe. + * @can_do_io: Nonzero if memory-mapped IO is safe. Deterministic execution + * requires that IO only be performed on the last instruction of a TB + * so that interrupts take effect immediately. * @env_ptr: Pointer to subclass-specific CPUArchState field. * @current_tb: Currently executing TB. * @gdb_regs: Additional GDB registers. diff --git a/include/sysemu/os-win32.h b/include/sysemu/os-win32.h index 4035c4fe54..706d85a98e 100644 --- a/include/sysemu/os-win32.h +++ b/include/sysemu/os-win32.h @@ -109,4 +109,22 @@ static inline int os_mlock(void) return -ENOSYS; } +#define fsync _commit + +#if !defined(lseek) +# define lseek _lseeki64 +#endif + +int qemu_ftruncate64(int, int64_t); + +#if !defined(ftruncate) +# define ftruncate qemu_ftruncate64 +#endif + +static inline char *realpath(const char *path, char *resolved_path) +{ + _fullpath(resolved_path, path, _MAX_PATH); + return resolved_path; +} + #endif |