1 #include "cache-utils.h"
4 struct qemu_cache_conf qemu_cache_conf = {
10 #include <sys/systemcfg.h>
12 static void ppc_init_cacheline_sizes(void)
14 qemu_cache_conf.icache_bsize = _system_configuration.icache_line;
15 qemu_cache_conf.dcache_bsize = _system_configuration.dcache_line;
18 #elif defined __linux__
20 #define QEMU_AT_NULL 0
21 #define QEMU_AT_DCACHEBSIZE 19
22 #define QEMU_AT_ICACHEBSIZE 20
24 static void ppc_init_cacheline_sizes(char **envp)
30 for (auxv = (unsigned long *) envp; *auxv != QEMU_AT_NULL; auxv += 2) {
32 case QEMU_AT_DCACHEBSIZE: qemu_cache_conf.dcache_bsize = auxv[1]; break;
33 case QEMU_AT_ICACHEBSIZE: qemu_cache_conf.icache_bsize = auxv[1]; break;
39 #elif defined __APPLE__
40 #include <sys/types.h>
41 #include <sys/sysctl.h>
43 static void ppc_init_cacheline_sizes(void)
47 int name[2] = { CTL_HW, HW_CACHELINE };
49 if (sysctl(name, 2, &cacheline, &len, NULL, 0)) {
50 perror("sysctl CTL_HW HW_CACHELINE failed");
52 qemu_cache_conf.dcache_bsize = cacheline;
53 qemu_cache_conf.icache_bsize = cacheline;
59 void qemu_cache_utils_init(char **envp)
61 ppc_init_cacheline_sizes(envp);
64 void qemu_cache_utils_init(char **envp)
67 ppc_init_cacheline_sizes();
71 #endif /* _ARCH_PPC */