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Diffstat (limited to 'arch/xtensa/include/asm/processor.h')
-rw-r--r--arch/xtensa/include/asm/processor.h21
1 files changed, 12 insertions, 9 deletions
diff --git a/arch/xtensa/include/asm/processor.h b/arch/xtensa/include/asm/processor.h
index a6d09fe04831..60a211356335 100644
--- a/arch/xtensa/include/asm/processor.h
+++ b/arch/xtensa/include/asm/processor.h
@@ -14,6 +14,8 @@
#include <linux/compiler.h>
#include <linux/stringify.h>
+
+#include <asm/bootparam.h>
#include <asm/ptrace.h>
#include <asm/types.h>
#include <asm/regs.h>
@@ -103,7 +105,7 @@
#error Unsupported xtensa ABI
#endif
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
#if defined(__XTENSA_WINDOWED_ABI__)
@@ -113,9 +115,9 @@
#define MAKE_RA_FOR_CALL(ra,ws) (((ra) & 0x3fffffff) | (ws) << 30)
/* Convert return address to a valid pc
- * Note: We assume that the stack pointer is in the same 1GB ranges as the ra
+ * Note: 'text' is the address within the same 1GB range as the ra
*/
-#define MAKE_PC_FROM_RA(ra,sp) (((ra) & 0x3fffffff) | ((sp) & 0xc0000000))
+#define MAKE_PC_FROM_RA(ra, text) (((ra) & 0x3fffffff) | ((unsigned long)(text) & 0xc0000000))
#elif defined(__XTENSA_CALL0_ABI__)
@@ -125,9 +127,9 @@
#define MAKE_RA_FOR_CALL(ra, ws) (ra)
/* Convert return address to a valid pc
- * Note: We assume that the stack pointer is in the same 1GB ranges as the ra
+ * Note: 'text' is not used as 'ra' is always the full address
*/
-#define MAKE_PC_FROM_RA(ra, sp) (ra)
+#define MAKE_PC_FROM_RA(ra, text) (ra)
#else
#error Unsupported Xtensa ABI
@@ -158,9 +160,7 @@ struct thread_struct {
struct perf_event *ptrace_bp[XCHAL_NUM_IBREAK];
struct perf_event *ptrace_wp[XCHAL_NUM_DBREAK];
#endif
- /* Make structure 16 bytes aligned. */
- int align[0] __attribute__ ((aligned(16)));
-};
+} __aligned(16);
/* This decides where the kernel will search for a free chunk of vm
* space during mmap's.
@@ -217,6 +217,9 @@ struct mm_struct;
extern unsigned long __get_wchan(struct task_struct *p);
+void init_arch(bp_tag_t *bp_start);
+void do_notify_resume(struct pt_regs *regs);
+
#define KSTK_EIP(tsk) (task_pt_regs(tsk)->pc)
#define KSTK_ESP(tsk) (task_pt_regs(tsk)->areg[1])
@@ -260,5 +263,5 @@ static inline unsigned long get_er(unsigned long addr)
#endif /* XCHAL_HAVE_EXTERN_REGS */
-#endif /* __ASSEMBLY__ */
+#endif /* __ASSEMBLER__ */
#endif /* _XTENSA_PROCESSOR_H */