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-rw-r--r--arch/sparc/kernel/entry.h35
-rw-r--r--arch/sparc/kernel/kernel.h9
-rw-r--r--arch/sparc/kernel/muldiv.c5
-rw-r--r--arch/sparc/kernel/traps_32.c34
4 files changed, 49 insertions, 34 deletions
diff --git a/arch/sparc/kernel/entry.h b/arch/sparc/kernel/entry.h
index a9ab19aa041..06db4f18e45 100644
--- a/arch/sparc/kernel/entry.h
+++ b/arch/sparc/kernel/entry.h
@@ -5,6 +5,40 @@
#include <linux/types.h>
#include <linux/init.h>
+#ifdef CONFIG_SPARC32
+/* traps */
+extern void do_hw_interrupt(struct pt_regs *regs, unsigned long type);
+extern void do_illegal_instruction(struct pt_regs *regs, unsigned long pc,
+ unsigned long npc, unsigned long psr);
+
+extern void do_priv_instruction(struct pt_regs *regs, unsigned long pc,
+ unsigned long npc, unsigned long psr);
+extern void do_memaccess_unaligned(struct pt_regs *regs, unsigned long pc,
+ unsigned long npc,
+ unsigned long psr);
+extern void do_fpd_trap(struct pt_regs *regs, unsigned long pc,
+ unsigned long npc, unsigned long psr);
+extern void do_fpe_trap(struct pt_regs *regs, unsigned long pc,
+ unsigned long npc, unsigned long psr);
+extern void handle_tag_overflow(struct pt_regs *regs, unsigned long pc,
+ unsigned long npc, unsigned long psr);
+extern void handle_watchpoint(struct pt_regs *regs, unsigned long pc,
+ unsigned long npc, unsigned long psr);
+extern void handle_reg_access(struct pt_regs *regs, unsigned long pc,
+ unsigned long npc, unsigned long psr);
+extern void handle_cp_disabled(struct pt_regs *regs, unsigned long pc,
+ unsigned long npc, unsigned long psr);
+extern void handle_cp_exception(struct pt_regs *regs, unsigned long pc,
+ unsigned long npc, unsigned long psr);
+
+
+
+/* entry.S */
+extern void fpsave(unsigned long *fpregs, unsigned long *fsr,
+ void *fpqueue, unsigned long *fpqdepth);
+extern void fpload(unsigned long *fpregs, unsigned long *fsr);
+
+#else /* CONFIG_SPARC32 */
extern void __init per_cpu_patch(void);
extern void __init sun4v_patch(void);
extern void __init boot_cpu_id_too_large(int cpu);
@@ -189,4 +223,5 @@ extern void handler_irq(int irq, struct pt_regs *regs);
extern void init_irqwork_curcpu(void);
extern void __cpuinit sun4v_register_mondo_queues(int this_cpu);
+#endif /* CONFIG_SPARC32 */
#endif /* _ENTRY_H */
diff --git a/arch/sparc/kernel/kernel.h b/arch/sparc/kernel/kernel.h
index 7f02aad2e1a..3fa833843a0 100644
--- a/arch/sparc/kernel/kernel.h
+++ b/arch/sparc/kernel/kernel.h
@@ -4,5 +4,14 @@ extern const char *sparc_fpu_type;
extern unsigned int fsr_storage;
+#ifdef CONFIG_SPARC32
+/* cpu.c */
extern void cpu_probe(void);
+/* traps_32.c */
+extern void handle_hw_divzero(struct pt_regs *regs, unsigned long pc,
+ unsigned long npc, unsigned long psr);
+/* muldiv.c */
+extern int do_user_muldiv (struct pt_regs *, unsigned long);
+#else /* CONFIG_SPARC32 */
+#endif
diff --git a/arch/sparc/kernel/muldiv.c b/arch/sparc/kernel/muldiv.c
index e352239e72c..ba960c02bb5 100644
--- a/arch/sparc/kernel/muldiv.c
+++ b/arch/sparc/kernel/muldiv.c
@@ -17,6 +17,8 @@
#include <asm/system.h>
#include <asm/uaccess.h>
+#include "kernel.h"
+
/* #define DEBUG_MULDIV */
static inline int has_imm13(int insn)
@@ -88,9 +90,6 @@ store_reg(unsigned int result, unsigned int reg, struct pt_regs *regs)
return (put_user(result, &win->locals[reg - 16]));
}
}
-
-extern void handle_hw_divzero (struct pt_regs *regs, unsigned long pc,
- unsigned long npc, unsigned long psr);
/* Should return 0 if mul/div emulation succeeded and SIGILL should
* not be issued.
diff --git a/arch/sparc/kernel/traps_32.c b/arch/sparc/kernel/traps_32.c
index 2b7d5065903..716f3946c49 100644
--- a/arch/sparc/kernel/traps_32.c
+++ b/arch/sparc/kernel/traps_32.c
@@ -25,31 +25,10 @@
#include <asm/unistd.h>
#include <asm/traps.h>
-/* #define TRAP_DEBUG */
-
-struct trap_trace_entry {
- unsigned long pc;
- unsigned long type;
-};
-
-void syscall_trace_entry(struct pt_regs *regs)
-{
- printk("%s[%d]: ", current->comm, task_pid_nr(current));
- printk("scall<%d> (could be %d)\n", (int) regs->u_regs[UREG_G1],
- (int) regs->u_regs[UREG_I0]);
-}
-
-void syscall_trace_exit(struct pt_regs *regs)
-{
-}
+#include "entry.h"
+#include "kernel.h"
-void sun4d_nmi(struct pt_regs *regs)
-{
- printk("Aieee: sun4d NMI received!\n");
- printk("you lose buddy boy...\n");
- show_regs(regs);
- prom_halt();
-}
+/* #define TRAP_DEBUG */
static void instruction_dump(unsigned long *pc)
{
@@ -134,7 +113,6 @@ void do_hw_interrupt(struct pt_regs *regs, unsigned long type)
void do_illegal_instruction(struct pt_regs *regs, unsigned long pc, unsigned long npc,
unsigned long psr)
{
- extern int do_user_muldiv (struct pt_regs *, unsigned long);
siginfo_t info;
if(psr & PSR_PS)
@@ -195,10 +173,6 @@ void do_memaccess_unaligned(struct pt_regs *regs, unsigned long pc, unsigned lon
send_sig_info(SIGBUS, &info, current);
}
-extern void fpsave(unsigned long *fpregs, unsigned long *fsr,
- void *fpqueue, unsigned long *fpqdepth);
-extern void fpload(unsigned long *fpregs, unsigned long *fsr);
-
static unsigned long init_fsr = 0x0UL;
static unsigned long init_fregs[32] __attribute__ ((aligned (8))) =
{ ~0UL, ~0UL, ~0UL, ~0UL, ~0UL, ~0UL, ~0UL, ~0UL,
@@ -456,8 +430,6 @@ void do_BUG(const char *file, int line)
* up here so that timer interrupts work during initialization.
*/
-extern void sparc_cpu_startup(void);
-
void trap_init(void)
{
extern void thread_info_offsets_are_bolixed_pete(void);
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 00:51:07 +0000