summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/include
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/include')
-rw-r--r--arch/powerpc/include/asm/cputable.h5
-rw-r--r--arch/powerpc/include/asm/fixmap.h2
-rw-r--r--arch/powerpc/include/asm/kasan.h9
-rw-r--r--arch/powerpc/include/asm/mce.h7
-rw-r--r--arch/powerpc/include/asm/perf_event.h3
-rw-r--r--arch/powerpc/include/asm/perf_event_server.h5
-rw-r--r--arch/powerpc/include/uapi/asm/perf_regs.h20
7 files changed, 48 insertions, 3 deletions
diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h
index fdddb822d564..e005b4581023 100644
--- a/arch/powerpc/include/asm/cputable.h
+++ b/arch/powerpc/include/asm/cputable.h
@@ -9,6 +9,11 @@
#ifndef __ASSEMBLY__
+/*
+ * Added to include __machine_check_early_realmode_* functions
+ */
+#include <asm/mce.h>
+
/* This structure can grow, it's real size is used by head.S code
* via the mkdefs mechanism.
*/
diff --git a/arch/powerpc/include/asm/fixmap.h b/arch/powerpc/include/asm/fixmap.h
index 925cf89cbf4b..6bfc87915d5d 100644
--- a/arch/powerpc/include/asm/fixmap.h
+++ b/arch/powerpc/include/asm/fixmap.h
@@ -52,7 +52,7 @@ enum fixed_addresses {
FIX_HOLE,
/* reserve the top 128K for early debugging purposes */
FIX_EARLY_DEBUG_TOP = FIX_HOLE,
- FIX_EARLY_DEBUG_BASE = FIX_EARLY_DEBUG_TOP+(ALIGN(SZ_128, PAGE_SIZE)/PAGE_SIZE)-1,
+ FIX_EARLY_DEBUG_BASE = FIX_EARLY_DEBUG_TOP+(ALIGN(SZ_128K, PAGE_SIZE)/PAGE_SIZE)-1,
#ifdef CONFIG_HIGHMEM
FIX_KMAP_BEGIN, /* reserved pte's for temporary kernel mappings */
FIX_KMAP_END = FIX_KMAP_BEGIN+(KM_TYPE_NR*NR_CPUS)-1,
diff --git a/arch/powerpc/include/asm/kasan.h b/arch/powerpc/include/asm/kasan.h
index d635b96c7ea6..7355ed05e65e 100644
--- a/arch/powerpc/include/asm/kasan.h
+++ b/arch/powerpc/include/asm/kasan.h
@@ -15,11 +15,18 @@
#ifndef __ASSEMBLY__
#include <asm/page.h>
+#include <linux/sizes.h>
#define KASAN_SHADOW_SCALE_SHIFT 3
+#if defined(CONFIG_PPC_BOOK3S_32) && defined(CONFIG_MODULES) && defined(CONFIG_STRICT_KERNEL_RWX)
+#define KASAN_KERN_START ALIGN_DOWN(PAGE_OFFSET - SZ_256M, SZ_256M)
+#else
+#define KASAN_KERN_START PAGE_OFFSET
+#endif
+
#define KASAN_SHADOW_START (KASAN_SHADOW_OFFSET + \
- (PAGE_OFFSET >> KASAN_SHADOW_SCALE_SHIFT))
+ (KASAN_KERN_START >> KASAN_SHADOW_SCALE_SHIFT))
#define KASAN_SHADOW_OFFSET ASM_CONST(CONFIG_KASAN_SHADOW_OFFSET)
diff --git a/arch/powerpc/include/asm/mce.h b/arch/powerpc/include/asm/mce.h
index adf2cda67f9a..89aa8248a57d 100644
--- a/arch/powerpc/include/asm/mce.h
+++ b/arch/powerpc/include/asm/mce.h
@@ -210,6 +210,9 @@ struct mce_error_info {
#define MCE_EVENT_RELEASE true
#define MCE_EVENT_DONTRELEASE false
+struct pt_regs;
+struct notifier_block;
+
extern void save_mce_event(struct pt_regs *regs, long handled,
struct mce_error_info *mce_err, uint64_t nip,
uint64_t addr, uint64_t phys_addr);
@@ -225,5 +228,9 @@ int mce_register_notifier(struct notifier_block *nb);
int mce_unregister_notifier(struct notifier_block *nb);
#ifdef CONFIG_PPC_BOOK3S_64
void flush_and_reload_slb(void);
+long __machine_check_early_realmode_p7(struct pt_regs *regs);
+long __machine_check_early_realmode_p8(struct pt_regs *regs);
+long __machine_check_early_realmode_p9(struct pt_regs *regs);
+long __machine_check_early_realmode_p10(struct pt_regs *regs);
#endif /* CONFIG_PPC_BOOK3S_64 */
#endif /* __ASM_PPC64_MCE_H__ */
diff --git a/arch/powerpc/include/asm/perf_event.h b/arch/powerpc/include/asm/perf_event.h
index 1e8b2e1ec1db..daec64d41b44 100644
--- a/arch/powerpc/include/asm/perf_event.h
+++ b/arch/powerpc/include/asm/perf_event.h
@@ -40,4 +40,7 @@ static inline bool is_sier_available(void) { return false; }
/* To support perf_regs sier update */
extern bool is_sier_available(void);
+/* To define perf extended regs mask value */
+extern u64 PERF_REG_EXTENDED_MASK;
+#define PERF_REG_EXTENDED_MASK PERF_REG_EXTENDED_MASK
#endif
diff --git a/arch/powerpc/include/asm/perf_event_server.h b/arch/powerpc/include/asm/perf_event_server.h
index 86c9eb064b22..f6acabb6c9be 100644
--- a/arch/powerpc/include/asm/perf_event_server.h
+++ b/arch/powerpc/include/asm/perf_event_server.h
@@ -62,6 +62,11 @@ struct power_pmu {
int *blacklist_ev;
/* BHRB entries in the PMU */
int bhrb_nr;
+ /*
+ * set this flag with `PERF_PMU_CAP_EXTENDED_REGS` if
+ * the pmu supports extended perf regs capability
+ */
+ int capabilities;
};
/*
diff --git a/arch/powerpc/include/uapi/asm/perf_regs.h b/arch/powerpc/include/uapi/asm/perf_regs.h
index f599064dd8dc..bdf5f10f8b9f 100644
--- a/arch/powerpc/include/uapi/asm/perf_regs.h
+++ b/arch/powerpc/include/uapi/asm/perf_regs.h
@@ -48,6 +48,24 @@ enum perf_event_powerpc_regs {
PERF_REG_POWERPC_DSISR,
PERF_REG_POWERPC_SIER,
PERF_REG_POWERPC_MMCRA,
- PERF_REG_POWERPC_MAX,
+ /* Extended registers */
+ PERF_REG_POWERPC_MMCR0,
+ PERF_REG_POWERPC_MMCR1,
+ PERF_REG_POWERPC_MMCR2,
+ PERF_REG_POWERPC_MMCR3,
+ PERF_REG_POWERPC_SIER2,
+ PERF_REG_POWERPC_SIER3,
+ /* Max regs without the extended regs */
+ PERF_REG_POWERPC_MAX = PERF_REG_POWERPC_MMCRA + 1,
};
+
+#define PERF_REG_PMU_MASK ((1ULL << PERF_REG_POWERPC_MAX) - 1)
+
+/* PERF_REG_EXTENDED_MASK value for CPU_FTR_ARCH_300 */
+#define PERF_REG_PMU_MASK_300 (((1ULL << (PERF_REG_POWERPC_MMCR2 + 1)) - 1) - PERF_REG_PMU_MASK)
+/* PERF_REG_EXTENDED_MASK value for CPU_FTR_ARCH_31 */
+#define PERF_REG_PMU_MASK_31 (((1ULL << (PERF_REG_POWERPC_SIER3 + 1)) - 1) - PERF_REG_PMU_MASK)
+
+#define PERF_REG_MAX_ISA_300 (PERF_REG_POWERPC_MMCR2 + 1)
+#define PERF_REG_MAX_ISA_31 (PERF_REG_POWERPC_SIER3 + 1)
#endif /* _UAPI_ASM_POWERPC_PERF_REGS_H */