* End Change Activity
*/
-
-#ifndef __KERNEL__
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/mman.h>
-#include <linux/types.h>
-#endif
-
/*
* If the major version changes we are incompatible.
* Minor version changes are a hint.
*/
#define SYSTEMCFG_MAJOR 1
-#define SYSTEMCFG_MINOR 0
+#define SYSTEMCFG_MINOR 1
#ifndef __ASSEMBLY__
+#include <linux/unistd.h>
+
+#define SYSCALL_MAP_SIZE ((__NR_syscalls + 31) / 32)
+
struct systemcfg {
__u8 eye_catcher[16]; /* Eyecatcher: SYSTEMCFG:PPC64 0x00 */
struct { /* Systemcfg version numbers */
__u64 tb_update_count; /* Timebase atomicity ctr 0x50 */
__u32 tz_minuteswest; /* Minutes west of Greenwich 0x58 */
__u32 tz_dsttime; /* Type of dst correction 0x5C */
- __u32 dCacheL1Size; /* L1 d-cache size 0x60 */
- __u32 dCacheL1LineSize; /* L1 d-cache line size 0x64 */
- __u32 iCacheL1Size; /* L1 i-cache size 0x68 */
- __u32 iCacheL1LineSize; /* L1 i-cache line size 0x6C */
- __u8 reserved0[3984]; /* Reserve rest of page 0x70 */
+ /* next four are no longer used except to be exported to /proc */
+ __u32 dcache_size; /* L1 d-cache size 0x60 */
+ __u32 dcache_line_size; /* L1 d-cache line size 0x64 */
+ __u32 icache_size; /* L1 i-cache size 0x68 */
+ __u32 icache_line_size; /* L1 i-cache line size 0x6C */
+ __u32 syscall_map_64[SYSCALL_MAP_SIZE]; /* map of available syscalls 0x70 */
+ __u32 syscall_map_32[SYSCALL_MAP_SIZE]; /* map of available syscalls */
};
#ifdef __KERNEL__
extern struct systemcfg *systemcfg;
-#else
-
-/* Processor Version Register (PVR) field extraction */
-#define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF) /* Version field */
-#define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revison field */
-
-/* Processor Version Numbers */
-#define PV_NORTHSTAR 0x0033
-#define PV_PULSAR 0x0034
-#define PV_POWER4 0x0035
-#define PV_ICESTAR 0x0036
-#define PV_SSTAR 0x0037
-#define PV_POWER4p 0x0038
-#define PV_GPUL 0x0039
-#define PV_630 0x0040
-#define PV_630p 0x0041
-
-/* Platforms supported by PPC64 */
-#define PLATFORM_PSERIES 0x0100
-#define PLATFORM_PSERIES_LPAR 0x0101
-#define PLATFORM_ISERIES_LPAR 0x0201
-#define PLATFORM_POWERMAC 0x0400
-
-/* Compatibility with drivers coming from PPC32 world */
-#define _machine (systemcfg->platform)
-#define _MACH_Pmac PLATFORM_POWERMAC
-
-
-static inline volatile struct systemcfg *systemcfg_init(void)
-{
- int fd = open("/proc/ppc64/systemcfg", O_RDONLY);
- volatile struct systemcfg *ret;
-
- if (fd == -1)
- return 0;
- ret = mmap(0, sizeof(struct systemcfg), PROT_READ, MAP_SHARED, fd, 0);
- close(fd);
- if (!ret)
- return 0;
- if (ret->version.major != SYSTEMCFG_MAJOR || ret->version.minor < SYSTEMCFG_MINOR) {
- munmap((void *)ret, sizeof(struct systemcfg));
- return 0;
- }
- return ret;
-}
-#endif /* __KERNEL__ */
+#endif
#endif /* __ASSEMBLY__ */
-#define SYSTEMCFG_PAGE 0x5
-#define SYSTEMCFG_PHYS_ADDR (SYSTEMCFG_PAGE<<PAGE_SHIFT)
-#define SYSTEMCFG_VIRT_ADDR (KERNELBASE+SYSTEMCFG_PHYS_ADDR)
-
#endif /* _SYSTEMCFG_H */