diff options
Diffstat (limited to 'tools/testing/selftests/powerpc/utils.c')
| -rw-r--r-- | tools/testing/selftests/powerpc/utils.c | 39 |
1 files changed, 3 insertions, 36 deletions
diff --git a/tools/testing/selftests/powerpc/utils.c b/tools/testing/selftests/powerpc/utils.c index 18b6a773d5c7..1f36ee1a909a 100644 --- a/tools/testing/selftests/powerpc/utils.c +++ b/tools/testing/selftests/powerpc/utils.c @@ -10,7 +10,6 @@ #include <fcntl.h> #include <link.h> #include <sched.h> -#include <signal.h> #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -273,40 +272,6 @@ int perf_event_reset(int fd) return 0; } -static void sigill_handler(int signr, siginfo_t *info, void *unused) -{ - static int warned = 0; - ucontext_t *ctx = (ucontext_t *)unused; - unsigned long *pc = &UCONTEXT_NIA(ctx); - - /* mtspr 3,RS to check for move to DSCR below */ - if ((*((unsigned int *)*pc) & 0xfc1fffff) == 0x7c0303a6) { - if (!warned++) - printf("WARNING: Skipping over dscr setup. Consider running 'ppc64_cpu --dscr=1' manually.\n"); - *pc += 4; - } else { - printf("SIGILL at %p\n", pc); - abort(); - } -} - -void set_dscr(unsigned long val) -{ - static int init = 0; - struct sigaction sa; - - if (!init) { - memset(&sa, 0, sizeof(sa)); - sa.sa_sigaction = sigill_handler; - sa.sa_flags = SA_SIGINFO; - if (sigaction(SIGILL, &sa, NULL)) - perror("sigill_handler"); - init = 1; - } - - asm volatile("mtspr %1,%0" : : "r" (val), "i" (SPRN_DSCR)); -} - int using_hash_mmu(bool *using_hash) { char line[128]; @@ -318,7 +283,9 @@ int using_hash_mmu(bool *using_hash) rc = 0; while (fgets(line, sizeof(line), f) != NULL) { - if (strcmp(line, "MMU : Hash\n") == 0) { + if (!strcmp(line, "MMU : Hash\n") || + !strcmp(line, "platform : Cell\n") || + !strcmp(line, "platform : PowerMac\n")) { *using_hash = true; goto out; } |