#define __ASM_PARISC_PROCESSOR_H
#ifndef __ASSEMBLY__
-#include <linux/config.h>
#include <linux/threads.h>
#include <linux/spinlock_types.h>
* Default implementation of macro that returns current
* instruction pointer ("program counter").
*/
-
-/* We cannot use MFIA as it was added for PA2.0 - prumpf
-
- At one point there were no "0f/0b" type local symbols in gas for
- PA-RISC. This is no longer true, but this still seems like the
- nicest way to implement this. */
-
-#define current_text_addr() ({ void *pc; __asm__("\n\tblr 0,%0\n\tnop":"=r" (pc)); pc; })
+#ifdef CONFIG_PA20
+#define current_ia(x) __asm__("mfia %0" : "=r"(x))
+#else /* mfia added in pa2.0 */
+#define current_ia(x) __asm__("blr 0,%0\n\tnop" : "=r"(x))
+#endif
+#define current_text_addr() ({ void *pc; current_ia(pc); pc; })
#define TASK_SIZE (current->thread.task_size)
#define TASK_UNMAPPED_BASE (current->thread.map_base)
};
/* Thread struct flags. */
+#define PARISC_UAC_NOPRINT (1UL << 0) /* see prctl and unaligned.c */
+#define PARISC_UAC_SIGBUS (1UL << 1)
#define PARISC_KERNEL_DEATH (1UL << 31) /* see die_if_kernel()... */
+#define PARISC_UAC_SHIFT 0
+#define PARISC_UAC_MASK (PARISC_UAC_NOPRINT|PARISC_UAC_SIGBUS)
+
+#define SET_UNALIGN_CTL(task,value) \
+ ({ \
+ (task)->thread.flags = (((task)->thread.flags & ~PARISC_UAC_MASK) \
+ | (((value) << PARISC_UAC_SHIFT) & \
+ PARISC_UAC_MASK)); \
+ 0; \
+ })
+
+#define GET_UNALIGN_CTL(task,addr) \
+ ({ \
+ put_user(((task)->thread.flags & PARISC_UAC_MASK) \
+ >> PARISC_UAC_SHIFT, (int __user *) (addr)); \
+ })
+
#define INIT_THREAD { \
- regs: { gr: { 0, }, \
- fr: { 0, }, \
- sr: { 0, }, \
- iasq: { 0, }, \
- iaoq: { 0, }, \
- cr27: 0, \
+ .regs = { .gr = { 0, }, \
+ .fr = { 0, }, \
+ .sr = { 0, }, \
+ .iasq = { 0, }, \
+ .iaoq = { 0, }, \
+ .cr27 = 0, \
}, \
- task_size: DEFAULT_TASK_SIZE, \
- map_base: DEFAULT_MAP_BASE, \
- flags: 0 \
+ .task_size = DEFAULT_TASK_SIZE, \
+ .map_base = DEFAULT_MAP_BASE, \
+ .flags = 0 \
}
/*