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[PATCH] powerpc: Create a trampoline for the fwnmi vectors

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The fwnmi vectors can be anywhere < 32 MB, so we need to use a trampoline
for them. The kdump kernel will register the trampoline addresses, which will
then jump up to the real code above 32 MB.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Michael Ellerman
2005-12-04 18:39:33 +11:00
committed by Paul Mackerras
parent 398ab1fcb9
commit 8c4f1f2958
4 changed files with 20 additions and 12 deletions
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6
include/asm-powerpc/firmware.h
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@@ -98,6 +98,12 @@ typedef struct {
extern firmware_feature_t firmware_features_table[];
#endif
extern void system_reset_fwnmi(void);
extern void machine_check_fwnmi(void);
/* This is true if we are using the firmware NMI handler (typically LPAR) */
extern int fwnmi_active;
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
#endif /* __ASM_POWERPC_FIRMWARE_H */