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authorLinus Torvalds <torvalds@linux-foundation.org>2012-05-23 09:00:40 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-05-23 09:00:40 -0700
commit1d767cae4dbd4116fc3b2cc3251a20760f98339f (patch)
tree79a1a48a67a9b4296ce062d61ee863fe7a46c77f /arch/sh/include/asm/kgdb.h
parent6101167727932a929e37fb8a6eeb68bdbf54d58e (diff)
parent5f19f14fed7786652b9617c633db101d26a42251 (diff)
Merge tag 'sh-for-linus' of git://github.com/pmundt/linux-sh
Pull SuperH updates from Paul Mundt: - New CPUs: SH7734 (SH-4A), SH7264 and SH7269 (SH-2A) - New boards: RSK2+SH7264, RSK2+SH7269 - Unbreaking kgdb for SMP - Consolidation of _32/_64 page fault handling. - watchdog and legacy DMA chainsawing, part 1 - Conversion to evt2irq() hwirq lookup, to support relocation of vectored IRQs for irqdomains. * tag 'sh-for-linus' of git://github.com/pmundt/linux-sh: (98 commits) sh: intc: Kill off special reservation interface. sh: Enable PIO API for hp6xx and se770x. sh: Kill off machvec IRQ hinting. sh: dma: More legacy cpu dma chainsawing. sh: Kill off MAX_DMA_ADDRESS leftovers. sh: Tidy up some of the cpu legacy dma header mess. sh: Move sh4a dma header from cpu-sh4 to cpu-sh4a. sh64: Fix up vmalloc fault range check. Revert "sh: Ensure fixmap and store queue space can co-exist." serial: sh-sci: Fix for port types without BRI interrupts. sh: legacy PCI evt2irq migration. sh: cpu dma evt2irq migration. sh: sh7763rdp evt2irq migration. sh: sdk7780 evt2irq migration. sh: migor evt2irq migration. sh: landisk evt2irq migration. sh: kfr2r09 evt2irq migration. sh: ecovec24 evt2irq migration. sh: ap325rxa evt2irq migration. sh: urquell evt2irq migration. ...
Diffstat (limited to 'arch/sh/include/asm/kgdb.h')
-rw-r--r--arch/sh/include/asm/kgdb.h30
1 files changed, 14 insertions, 16 deletions
diff --git a/arch/sh/include/asm/kgdb.h b/arch/sh/include/asm/kgdb.h
index f3613952d1a..9e7d2d1b03e 100644
--- a/arch/sh/include/asm/kgdb.h
+++ b/arch/sh/include/asm/kgdb.h
@@ -4,18 +4,6 @@
#include <asm/cacheflush.h>
#include <asm/ptrace.h>
-/* Same as pt_regs but has vbr in place of syscall_nr */
-struct kgdb_regs {
- unsigned long regs[16];
- unsigned long pc;
- unsigned long pr;
- unsigned long sr;
- unsigned long gbr;
- unsigned long mach;
- unsigned long macl;
- unsigned long vbr;
-};
-
enum regnames {
GDB_R0, GDB_R1, GDB_R2, GDB_R3, GDB_R4, GDB_R5, GDB_R6, GDB_R7,
GDB_R8, GDB_R9, GDB_R10, GDB_R11, GDB_R12, GDB_R13, GDB_R14, GDB_R15,
@@ -23,17 +11,27 @@ enum regnames {
GDB_PC, GDB_PR, GDB_SR, GDB_GBR, GDB_MACH, GDB_MACL, GDB_VBR,
};
-#define NUMREGBYTES ((GDB_VBR + 1) * 4)
+#define _GP_REGS 16
+#define _EXTRA_REGS 7
+#define GDB_SIZEOF_REG sizeof(u32)
+
+#define DBG_MAX_REG_NUM (_GP_REGS + _EXTRA_REGS)
+#define NUMREGBYTES (DBG_MAX_REG_NUM * sizeof(GDB_SIZEOF_REG))
static inline void arch_kgdb_breakpoint(void)
{
__asm__ __volatile__ ("trapa #0x3c\n");
}
-#define BUFMAX 2048
-
-#define CACHE_FLUSH_IS_SAFE 1
#define BREAK_INSTR_SIZE 2
+#define BUFMAX 2048
+
+#ifdef CONFIG_SMP
+# define CACHE_FLUSH_IS_SAFE 0
+#else
+# define CACHE_FLUSH_IS_SAFE 1
+#endif
+
#define GDB_ADJUSTS_BREAK_OFFSET
#endif /* __ASM_SH_KGDB_H */