aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--arch/sparc64/kernel/entry.h141
-rw-r--r--arch/sparc64/kernel/traps.c49
-rw-r--r--arch/sparc64/mm/init.c4
-rw-r--r--include/asm-sparc64/dcu.h41
-rw-r--r--include/asm-sparc64/pgtable.h2
5 files changed, 167 insertions, 70 deletions
diff --git a/arch/sparc64/kernel/entry.h b/arch/sparc64/kernel/entry.h
index bfcd1b8d23dc..a5084d6821ba 100644
--- a/arch/sparc64/kernel/entry.h
+++ b/arch/sparc64/kernel/entry.h
@@ -2,6 +2,7 @@
#define _ENTRY_H
#include <linux/init.h>
+#include <linux/types.h>
extern char *sparc_cpu_type;
extern char *sparc_fpu_type;
@@ -12,4 +13,144 @@ extern void __init boot_cpu_id_too_large(int cpu);
extern unsigned int dcache_parity_tl1_occurred;
extern unsigned int icache_parity_tl1_occurred;
+extern void bad_trap_tl1(struct pt_regs *regs, long lvl);
+
+extern void do_fpe_common(struct pt_regs *regs);
+extern void do_fpieee(struct pt_regs *regs);
+extern void do_fpother(struct pt_regs *regs);
+extern void do_tof(struct pt_regs *regs);
+extern void do_div0(struct pt_regs *regs);
+extern void do_illegal_instruction(struct pt_regs *regs);
+extern void mem_address_unaligned(struct pt_regs *regs,
+ unsigned long sfar,
+ unsigned long sfsr);
+extern void sun4v_do_mna(struct pt_regs *regs,
+ unsigned long addr,
+ unsigned long type_ctx);
+extern void do_privop(struct pt_regs *regs);
+extern void do_privact(struct pt_regs *regs);
+extern void do_cee(struct pt_regs *regs);
+extern void do_cee_tl1(struct pt_regs *regs);
+extern void do_dae_tl1(struct pt_regs *regs);
+extern void do_iae_tl1(struct pt_regs *regs);
+extern void do_div0_tl1(struct pt_regs *regs);
+extern void do_fpdis_tl1(struct pt_regs *regs);
+extern void do_fpieee_tl1(struct pt_regs *regs);
+extern void do_fpother_tl1(struct pt_regs *regs);
+extern void do_ill_tl1(struct pt_regs *regs);
+extern void do_irq_tl1(struct pt_regs *regs);
+extern void do_lddfmna_tl1(struct pt_regs *regs);
+extern void do_stdfmna_tl1(struct pt_regs *regs);
+extern void do_paw(struct pt_regs *regs);
+extern void do_paw_tl1(struct pt_regs *regs);
+extern void do_vaw(struct pt_regs *regs);
+extern void do_vaw_tl1(struct pt_regs *regs);
+extern void do_tof_tl1(struct pt_regs *regs);
+extern void do_getpsr(struct pt_regs *regs);
+
+extern void spitfire_insn_access_exception(struct pt_regs *regs,
+ unsigned long sfsr,
+ unsigned long sfar);
+extern void spitfire_insn_access_exception_tl1(struct pt_regs *regs,
+ unsigned long sfsr,
+ unsigned long sfar);
+extern void spitfire_data_access_exception(struct pt_regs *regs,
+ unsigned long sfsr,
+ unsigned long sfar);
+extern void spitfire_data_access_exception_tl1(struct pt_regs *regs,
+ unsigned long sfsr,
+ unsigned long sfar);
+extern void spitfire_access_error(struct pt_regs *regs,
+ unsigned long status_encoded,
+ unsigned long afar);
+
+extern void cheetah_fecc_handler(struct pt_regs *regs,
+ unsigned long afsr,
+ unsigned long afar);
+extern void cheetah_cee_handler(struct pt_regs *regs,
+ unsigned long afsr,
+ unsigned long afar);
+extern void cheetah_deferred_handler(struct pt_regs *regs,
+ unsigned long afsr,
+ unsigned long afar);
+extern void cheetah_plus_parity_error(int type, struct pt_regs *regs);
+
+extern void sun4v_insn_access_exception(struct pt_regs *regs,
+ unsigned long addr,
+ unsigned long type_ctx);
+extern void sun4v_insn_access_exception_tl1(struct pt_regs *regs,
+ unsigned long addr,
+ unsigned long type_ctx);
+extern void sun4v_data_access_exception(struct pt_regs *regs,
+ unsigned long addr,
+ unsigned long type_ctx);
+extern void sun4v_data_access_exception_tl1(struct pt_regs *regs,
+ unsigned long addr,
+ unsigned long type_ctx);
+extern void sun4v_resum_error(struct pt_regs *regs,
+ unsigned long offset);
+extern void sun4v_resum_overflow(struct pt_regs *regs);
+extern void sun4v_nonresum_error(struct pt_regs *regs,
+ unsigned long offset);
+extern void sun4v_nonresum_overflow(struct pt_regs *regs);
+
+extern unsigned long sun4v_err_itlb_vaddr;
+extern unsigned long sun4v_err_itlb_ctx;
+extern unsigned long sun4v_err_itlb_pte;
+extern unsigned long sun4v_err_itlb_error;
+
+extern void sun4v_itlb_error_report(struct pt_regs *regs, int tl);
+
+extern unsigned long sun4v_err_dtlb_vaddr;
+extern unsigned long sun4v_err_dtlb_ctx;
+extern unsigned long sun4v_err_dtlb_pte;
+extern unsigned long sun4v_err_dtlb_error;
+
+extern void sun4v_dtlb_error_report(struct pt_regs *regs, int tl);
+extern void hypervisor_tlbop_error(unsigned long err,
+ unsigned long op);
+extern void hypervisor_tlbop_error_xcall(unsigned long err,
+ unsigned long op);
+
+/* WARNING: The error trap handlers in assembly know the precise
+ * layout of the following structure.
+ *
+ * C-level handlers in traps.c use this information to log the
+ * error and then determine how to recover (if possible).
+ */
+struct cheetah_err_info {
+/*0x00*/u64 afsr;
+/*0x08*/u64 afar;
+
+ /* D-cache state */
+/*0x10*/u64 dcache_data[4]; /* The actual data */
+/*0x30*/u64 dcache_index; /* D-cache index */
+/*0x38*/u64 dcache_tag; /* D-cache tag/valid */
+/*0x40*/u64 dcache_utag; /* D-cache microtag */
+/*0x48*/u64 dcache_stag; /* D-cache snooptag */
+
+ /* I-cache state */
+/*0x50*/u64 icache_data[8]; /* The actual insns + predecode */
+/*0x90*/u64 icache_index; /* I-cache index */
+/*0x98*/u64 icache_tag; /* I-cache phys tag */
+/*0xa0*/u64 icache_utag; /* I-cache microtag */
+/*0xa8*/u64 icache_stag; /* I-cache snooptag */
+/*0xb0*/u64 icache_upper; /* I-cache upper-tag */
+/*0xb8*/u64 icache_lower; /* I-cache lower-tag */
+
+ /* E-cache state */
+/*0xc0*/u64 ecache_data[4]; /* 32 bytes from staging registers */
+/*0xe0*/u64 ecache_index; /* E-cache index */
+/*0xe8*/u64 ecache_tag; /* E-cache tag/state */
+
+/*0xf0*/u64 __pad[32 - 30];
+};
+#define CHAFSR_INVALID ((u64)-1L)
+
+/* This is allocated at boot time based upon the largest hardware
+ * cpu ID in the system. We allocate two entries per cpu, one for
+ * TL==0 logging and one for TL >= 1 logging.
+ */
+extern struct cheetah_err_info *cheetah_error_log;
+
#endif /* _ENTRY_H */
diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index 007f5317c0de..96da847023f3 100644
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -42,6 +42,7 @@
#endif
#include <asm/prom.h>
+#include "entry.h"
/* When an irrecoverable trap occurs at tl > 0, the trap entry
* code logs the trap state registers at every level in the trap
@@ -77,11 +78,6 @@ static void dump_tl1_traplog(struct tl1_traplog *p)
}
}
-void do_call_debug(struct pt_regs *regs)
-{
- notify_die(DIE_CALL, "debug call", regs, 0, 255, SIGINT);
-}
-
void bad_trap(struct pt_regs *regs, long lvl)
{
char buffer[32];
@@ -550,41 +546,6 @@ static unsigned long ecache_flush_physbase;
static unsigned long ecache_flush_linesize;
static unsigned long ecache_flush_size;
-/* WARNING: The error trap handlers in assembly know the precise
- * layout of the following structure.
- *
- * C-level handlers below use this information to log the error
- * and then determine how to recover (if possible).
- */
-struct cheetah_err_info {
-/*0x00*/u64 afsr;
-/*0x08*/u64 afar;
-
- /* D-cache state */
-/*0x10*/u64 dcache_data[4]; /* The actual data */
-/*0x30*/u64 dcache_index; /* D-cache index */
-/*0x38*/u64 dcache_tag; /* D-cache tag/valid */
-/*0x40*/u64 dcache_utag; /* D-cache microtag */
-/*0x48*/u64 dcache_stag; /* D-cache snooptag */
-
- /* I-cache state */
-/*0x50*/u64 icache_data[8]; /* The actual insns + predecode */
-/*0x90*/u64 icache_index; /* I-cache index */
-/*0x98*/u64 icache_tag; /* I-cache phys tag */
-/*0xa0*/u64 icache_utag; /* I-cache microtag */
-/*0xa8*/u64 icache_stag; /* I-cache snooptag */
-/*0xb0*/u64 icache_upper; /* I-cache upper-tag */
-/*0xb8*/u64 icache_lower; /* I-cache lower-tag */
-
- /* E-cache state */
-/*0xc0*/u64 ecache_data[4]; /* 32 bytes from staging registers */
-/*0xe0*/u64 ecache_index; /* E-cache index */
-/*0xe8*/u64 ecache_tag; /* E-cache tag/state */
-
-/*0xf0*/u64 __pad[32 - 30];
-};
-#define CHAFSR_INVALID ((u64)-1L)
-
/* This table is ordered in priority of errors and matches the
* AFAR overwrite policy as well.
*/
@@ -758,10 +719,6 @@ static struct afsr_error_table __jalapeno_error_table[] = {
static struct afsr_error_table *cheetah_error_table;
static unsigned long cheetah_afsr_errors;
-/* This is allocated at boot time based upon the largest hardware
- * cpu ID in the system. We allocate two entries per cpu, one for
- * TL==0 logging and one for TL >= 1 logging.
- */
struct cheetah_err_info *cheetah_error_log;
static inline struct cheetah_err_info *cheetah_get_error_log(unsigned long afsr)
@@ -2102,7 +2059,7 @@ void do_div0(struct pt_regs *regs)
force_sig_info(SIGFPE, &info, current);
}
-void instruction_dump (unsigned int *pc)
+static void instruction_dump(unsigned int *pc)
{
int i;
@@ -2115,7 +2072,7 @@ void instruction_dump (unsigned int *pc)
printk("\n");
}
-static void user_instruction_dump (unsigned int __user *pc)
+static void user_instruction_dump(unsigned int __user *pc)
{
int i;
unsigned int buf[9];
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index fced6dfe77a8..f37078d96407 100644
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -1274,10 +1274,6 @@ void __cpuinit sun4v_ktsb_register(void)
/* paging_init() sets up the page tables */
-extern void cheetah_ecache_flush_init(void);
-extern void sun4v_patch_tlb_handlers(void);
-
-extern void cpu_probe(void);
extern void central_probe(void);
static unsigned long last_valid_pfn;
diff --git a/include/asm-sparc64/dcu.h b/include/asm-sparc64/dcu.h
index ecbed2ae548f..0f704e106a1b 100644
--- a/include/asm-sparc64/dcu.h
+++ b/include/asm-sparc64/dcu.h
@@ -1,26 +1,27 @@
-/* $Id: dcu.h,v 1.2 2001/03/01 23:23:33 davem Exp $ */
#ifndef _SPARC64_DCU_H
#define _SPARC64_DCU_H
+#include <linux/const.h>
+
/* UltraSparc-III Data Cache Unit Control Register */
-#define DCU_CP 0x0002000000000000 /* Physical Cache Enable w/o mmu*/
-#define DCU_CV 0x0001000000000000 /* Virtual Cache Enable w/o mmu */
-#define DCU_ME 0x0000800000000000 /* NC-store Merging Enable */
-#define DCU_RE 0x0000400000000000 /* RAW bypass Enable */
-#define DCU_PE 0x0000200000000000 /* PCache Enable */
-#define DCU_HPE 0x0000100000000000 /* HW prefetch Enable */
-#define DCU_SPE 0x0000080000000000 /* SW prefetch Enable */
-#define DCU_SL 0x0000040000000000 /* Secondary load steering Enab */
-#define DCU_WE 0x0000020000000000 /* WCache enable */
-#define DCU_PM 0x000001fe00000000 /* PA Watchpoint Byte Mask */
-#define DCU_VM 0x00000001fe000000 /* VA Watchpoint Byte Mask */
-#define DCU_PR 0x0000000001000000 /* PA Watchpoint Read Enable */
-#define DCU_PW 0x0000000000800000 /* PA Watchpoint Write Enable */
-#define DCU_VR 0x0000000000400000 /* VA Watchpoint Read Enable */
-#define DCU_VW 0x0000000000200000 /* VA Watchpoint Write Enable */
-#define DCU_DM 0x0000000000000008 /* DMMU Enable */
-#define DCU_IM 0x0000000000000004 /* IMMU Enable */
-#define DCU_DC 0x0000000000000002 /* Data Cache Enable */
-#define DCU_IC 0x0000000000000001 /* Instruction Cache Enable */
+#define DCU_CP _AC(0x0002000000000000,UL) /* Phys Cache Enable w/o mmu */
+#define DCU_CV _AC(0x0001000000000000,UL) /* Virt Cache Enable w/o mmu */
+#define DCU_ME _AC(0x0000800000000000,UL) /* NC-store Merging Enable */
+#define DCU_RE _AC(0x0000400000000000,UL) /* RAW bypass Enable */
+#define DCU_PE _AC(0x0000200000000000,UL) /* PCache Enable */
+#define DCU_HPE _AC(0x0000100000000000,UL) /* HW prefetch Enable */
+#define DCU_SPE _AC(0x0000080000000000,UL) /* SW prefetch Enable */
+#define DCU_SL _AC(0x0000040000000000,UL) /* Secondary ld-steering Enab*/
+#define DCU_WE _AC(0x0000020000000000,UL) /* WCache enable */
+#define DCU_PM _AC(0x000001fe00000000,UL) /* PA Watchpoint Byte Mask */
+#define DCU_VM _AC(0x00000001fe000000,UL) /* VA Watchpoint Byte Mask */
+#define DCU_PR _AC(0x0000000001000000,UL) /* PA Watchpoint Read Enable */
+#define DCU_PW _AC(0x0000000000800000,UL) /* PA Watchpoint Write Enable*/
+#define DCU_VR _AC(0x0000000000400000,UL) /* VA Watchpoint Read Enable */
+#define DCU_VW _AC(0x0000000000200000,UL) /* VA Watchpoint Write Enable*/
+#define DCU_DM _AC(0x0000000000000008,UL) /* DMMU Enable */
+#define DCU_IM _AC(0x0000000000000004,UL) /* IMMU Enable */
+#define DCU_DC _AC(0x0000000000000002,UL) /* Data Cache Enable */
+#define DCU_IC _AC(0x0000000000000001,UL) /* Instruction Cache Enable */
#endif /* _SPARC64_DCU_H */
diff --git a/include/asm-sparc64/pgtable.h b/include/asm-sparc64/pgtable.h
index 95303f5be86b..549e45266b68 100644
--- a/include/asm-sparc64/pgtable.h
+++ b/include/asm-sparc64/pgtable.h
@@ -761,6 +761,8 @@ extern unsigned long get_fb_unmapped_area(struct file *filp, unsigned long,
extern void pgtable_cache_init(void);
extern void sun4v_register_fault_status(void);
extern void sun4v_ktsb_register(void);
+extern void __init cheetah_ecache_flush_init(void);
+extern void sun4v_patch_tlb_handlers(void);
extern unsigned long cmdline_memory_size;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.