diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc/sparc64/get_clockfreq.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sparc/sparc64/get_clockfreq.c | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/get_clockfreq.c b/sysdeps/unix/sysv/linux/sparc/sparc64/get_clockfreq.c index e181d9d36b..e3cea9fb50 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/get_clockfreq.c +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/get_clockfreq.c @@ -1,5 +1,5 @@ /* Get frequency of the system processor. sparc64 version. - Copyright (C) 2001 Free Software Foundation, Inc. + Copyright (C) 2001, 2012 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -154,6 +154,22 @@ __get_clockfreq_via_proc_openprom (void) return result; } +static void set_obp_int (struct openpromio *op, int val) +{ + char *cp = op->oprom_array; + int *ip = (int *) cp; + + *ip = val; +} + +static int get_obp_int (struct openpromio *op) +{ + char *cp = op->oprom_array; + int *ip = (int *) cp; + + return *ip; +} + static hp_timing_t __get_clockfreq_via_dev_openprom (void) { @@ -171,11 +187,11 @@ __get_clockfreq_via_dev_openprom (void) obp_cmd->oprom_size = sizeof (obp_buf) - sizeof (unsigned int); - *(int *) obp_cmd->oprom_array = 0; + set_obp_int (obp_cmd, 0); ret = ioctl (obp_dev_fd, OPROMCHILD, (char *) obp_cmd); if (ret == 0) { - int cur_node = *(int *) obp_cmd->oprom_array; + int cur_node = get_obp_int (obp_cmd); while (cur_node != 0 && cur_node != -1) { @@ -190,15 +206,14 @@ __get_clockfreq_via_dev_openprom (void) strcpy (obp_cmd->oprom_array, "clock-frequency"); ret = ioctl (obp_dev_fd, OPROMGETPROP, (char *) obp_cmd); if (ret == 0) - result = - (hp_timing_t) *(unsigned int *) obp_cmd->oprom_array; + result = (hp_timing_t) get_obp_int (obp_cmd); } obp_cmd->oprom_size = sizeof (obp_buf) - sizeof (unsigned int); - *(int *) obp_cmd->oprom_array = cur_node; + set_obp_int (obp_cmd, cur_node); ret = ioctl (obp_dev_fd, OPROMNEXT, (char *) obp_cmd); if (ret < 0) break; - cur_node = *(int *)obp_cmd->oprom_array; + cur_node = get_obp_int (obp_cmd); } } } |