X-Git-Url: http://git.maemo.org/git/?a=blobdiff_plain;f=osdep.c;h=b300ba19aa431d6d68048d65d60725500a0706c5;hb=759b334a9739814df2883aa4c41b1c0f5670e90a;hp=0eaf2badb53623cf10e3cf66de7e77892482ec98;hpb=5fafdf24ef2c090c164d4dc89684b3f379dbdd87;p=qemu diff --git a/osdep.c b/osdep.c index 0eaf2ba..b300ba1 100644 --- a/osdep.c +++ b/osdep.c @@ -33,36 +33,30 @@ #include #endif -#include "cpu.h" -#if defined(USE_KQEMU) -#include "vl.h" -#endif +/* FIXME: This file should be target independent. However it has kqemu + hacks, so must be built for every target. */ + +/* Needed early for HOST_BSD etc. */ +#include "config-host.h" #ifdef _WIN32 #include -#elif defined(_BSD) +#elif defined(HOST_BSD) #include #else #include #endif -void *get_mmap_addr(unsigned long size) -{ - return NULL; -} - -void qemu_free(void *ptr) -{ - free(ptr); -} +#include "qemu-common.h" +#include "sysemu.h" +#include "qemu_socket.h" -void *qemu_malloc(size_t size) +#if defined(_WIN32) +void *qemu_memalign(size_t alignment, size_t size) { - return malloc(size); + return VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE); } -#if defined(_WIN32) - void *qemu_vmalloc(size_t size) { /* FIXME: this is not exactly optimal solution since VirtualAlloc @@ -78,19 +72,34 @@ void qemu_vfree(void *ptr) #else -#if defined(USE_KQEMU) +#if defined(CONFIG_KQEMU) +#ifdef __OpenBSD__ +#include +#include +#include +#else +#ifndef __FreeBSD__ #include +#endif +#endif + #include #include -void *kqemu_vmalloc(size_t size) +static void *kqemu_vmalloc(size_t size) { static int phys_ram_fd = -1; static int phys_ram_size = 0; + void *ptr; + +/* no need (?) for a dummy file on OpenBSD/FreeBSD */ +#if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__DragonFly__) + int map_anon = MAP_ANON; +#else + int map_anon = 0; const char *tmpdir; char phys_ram_file[1024]; - void *ptr; #ifdef HOST_SOLARIS struct statvfs stfs; #else @@ -110,7 +119,6 @@ void *kqemu_vmalloc(size_t size) int64_t free_space; int ram_mb; - extern int ram_size; free_space = (int64_t)stfs.f_bavail * stfs.f_bsize; if ((ram_size + 8192 * 1024) >= free_space) { ram_mb = (ram_size / (1024 * 1024)); @@ -119,8 +127,7 @@ void *kqemu_vmalloc(size_t size) tmpdir, ram_mb); if (strcmp(tmpdir, "/dev/shm") == 0) { fprintf(stderr, "To have more space available provided you have enough RAM and swap, do as root:\n" - "umount /dev/shm\n" - "mount -t tmpfs -o size=%dm none /dev/shm\n", + "mount -o remount,size=%dm /dev/shm\n", ram_mb + 16); } else { fprintf(stderr, @@ -154,9 +161,10 @@ void *kqemu_vmalloc(size_t size) } size = (size + 4095) & ~4095; ftruncate(phys_ram_fd, phys_ram_size + size); +#endif /* !(__OpenBSD__ || __FreeBSD__ || __DragonFly__) */ ptr = mmap(NULL, size, - PROT_WRITE | PROT_READ, MAP_SHARED, + PROT_WRITE | PROT_READ, map_anon | MAP_SHARED, phys_ram_fd, phys_ram_size); if (ptr == MAP_FAILED) { fprintf(stderr, "Could not map physical memory\n"); @@ -166,30 +174,42 @@ void *kqemu_vmalloc(size_t size) return ptr; } -void kqemu_vfree(void *ptr) +static void kqemu_vfree(void *ptr) { /* may be useful some day, but currently we do not need to free */ } #endif +void *qemu_memalign(size_t alignment, size_t size) +{ +#if defined(_POSIX_C_SOURCE) + int ret; + void *ptr; + ret = posix_memalign(&ptr, alignment, size); + if (ret != 0) + return NULL; + return ptr; +#elif defined(HOST_BSD) + return valloc(size); +#else + return memalign(alignment, size); +#endif +} + /* alloc shared memory pages */ void *qemu_vmalloc(size_t size) { -#if defined(USE_KQEMU) +#if defined(CONFIG_KQEMU) if (kqemu_allowed) return kqemu_vmalloc(size); #endif -#ifdef _BSD - return valloc(size); -#else - return memalign(4096, size); -#endif + return qemu_memalign(getpagesize(), size); } void qemu_vfree(void *ptr) { -#if defined(USE_KQEMU) +#if defined(CONFIG_KQEMU) if (kqemu_allowed) kqemu_vfree(ptr); #endif @@ -198,26 +218,6 @@ void qemu_vfree(void *ptr) #endif -void *qemu_mallocz(size_t size) -{ - void *ptr; - ptr = qemu_malloc(size); - if (!ptr) - return NULL; - memset(ptr, 0, size); - return ptr; -} - -char *qemu_strdup(const char *str) -{ - char *ptr; - ptr = qemu_malloc(strlen(str) + 1); - if (!ptr) - return NULL; - strcpy(ptr, str); - return ptr; -} - int qemu_create_pidfile(const char *filename) { char buffer[128]; @@ -288,3 +288,28 @@ int qemu_gettimeofday(qemu_timeval *tp) return 0; } #endif /* _WIN32 */ + + +#ifdef _WIN32 +void socket_set_nonblock(int fd) +{ + unsigned long opt = 1; + ioctlsocket(fd, FIONBIO, &opt); +} + +int inet_aton(const char *cp, struct in_addr *ia) +{ + uint32_t addr = inet_addr(cp); + if (addr == 0xffffffff) + return 0; + ia->s_addr = addr; + return 1; +} +#else +void socket_set_nonblock(int fd) +{ + int f; + f = fcntl(fd, F_GETFL); + fcntl(fd, F_SETFL, f | O_NONBLOCK); +} +#endif