From: David Daney <david.da...@cavium.com>
These save the instruction word to be used by MIPSVZ code for
instruction emulation.
Signed-off-by: David Daney <david.da...@cavium.com>
---
arch/mips/include/asm/ptrace.h | 4 ++++
arch/mips/kernel/asm-offsets.c | 4 ++++
2 files changed, 8 insertions(+)
diff --git a/arch/mips/include/asm/ptrace.h b/arch/mips/include/asm/ptrace.h
index 5e6cd09..d080716 100644
--- a/arch/mips/include/asm/ptrace.h
+++ b/arch/mips/include/asm/ptrace.h
@@ -46,6 +46,10 @@ struct pt_regs {
unsigned long long mpl[3]; /* MTM{0,1,2} */
unsigned long long mtp[3]; /* MTP{0,1,2} */
#endif
+#ifdef CONFIG_KVM_MIPSVZ
+ unsigned int cp0_badinstr; /* Only populated on
do_page_fault_{0,1} */
+ unsigned int cp0_badinstrp; /* Only populated on
do_page_fault_{0,1} */
+#endif
} __aligned(8);
struct task_struct;
diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c
index 03bf363..c5cc28f 100644
--- a/arch/mips/kernel/asm-offsets.c
+++ b/arch/mips/kernel/asm-offsets.c
@@ -71,6 +71,10 @@ void output_ptreg_defines(void)
OFFSET(PT_MPL, pt_regs, mpl);
OFFSET(PT_MTP, pt_regs, mtp);
#endif /* CONFIG_CPU_CAVIUM_OCTEON */
+#ifdef CONFIG_KVM_MIPSVZ
+ OFFSET(PT_BADINSTR, pt_regs, cp0_badinstr);
+ OFFSET(PT_BADINSTRP, pt_regs, cp0_badinstrp);
+#endif
DEFINE(PT_SIZE, sizeof(struct pt_regs));
BLANK();
}
--
1.7.11.7
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