diff options
Diffstat (limited to 'cache-utils.c')
-rw-r--r-- | cache-utils.c | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/cache-utils.c b/cache-utils.c deleted file mode 100644 index b94013a8cb..0000000000 --- a/cache-utils.c +++ /dev/null @@ -1,97 +0,0 @@ -#include "qemu/cache-utils.h" - -#if defined(_ARCH_PPC) -struct qemu_cache_conf qemu_cache_conf = { - .dcache_bsize = 16, - .icache_bsize = 16 -}; - -#if defined _AIX -#include <sys/systemcfg.h> - -static void ppc_init_cacheline_sizes(void) -{ - qemu_cache_conf.icache_bsize = _system_configuration.icache_line; - qemu_cache_conf.dcache_bsize = _system_configuration.dcache_line; -} - -#elif defined __linux__ - -#define QEMU_AT_NULL 0 -#define QEMU_AT_DCACHEBSIZE 19 -#define QEMU_AT_ICACHEBSIZE 20 - -static void ppc_init_cacheline_sizes(char **envp) -{ - unsigned long *auxv; - - while (*envp++); - - for (auxv = (unsigned long *) envp; *auxv != QEMU_AT_NULL; auxv += 2) { - switch (*auxv) { - case QEMU_AT_DCACHEBSIZE: qemu_cache_conf.dcache_bsize = auxv[1]; break; - case QEMU_AT_ICACHEBSIZE: qemu_cache_conf.icache_bsize = auxv[1]; break; - default: break; - } - } -} - -#elif defined __APPLE__ -#include <stdio.h> -#include <sys/types.h> -#include <sys/sysctl.h> - -static void ppc_init_cacheline_sizes(void) -{ - size_t len; - unsigned cacheline; - int name[2] = { CTL_HW, HW_CACHELINE }; - - len = sizeof(cacheline); - if (sysctl(name, 2, &cacheline, &len, NULL, 0)) { - perror("sysctl CTL_HW HW_CACHELINE failed"); - } else { - qemu_cache_conf.dcache_bsize = cacheline; - qemu_cache_conf.icache_bsize = cacheline; - } -} -#endif - -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) -#include <errno.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sys/types.h> -#include <sys/sysctl.h> - -static void ppc_init_cacheline_sizes(void) -{ - size_t len = 4; - unsigned cacheline; - - if (sysctlbyname ("machdep.cacheline_size", &cacheline, &len, NULL, 0)) { - fprintf(stderr, "sysctlbyname machdep.cacheline_size failed: %s\n", - strerror(errno)); - exit(1); - } - - qemu_cache_conf.dcache_bsize = cacheline; - qemu_cache_conf.icache_bsize = cacheline; -} -#endif - -#ifdef __linux__ -void qemu_cache_utils_init(char **envp) -{ - ppc_init_cacheline_sizes(envp); -} -#else -void qemu_cache_utils_init(char **envp) -{ - (void) envp; - ppc_init_cacheline_sizes(); -} -#endif - -#endif /* _ARCH_PPC */ |