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-rw-r--r--arch/sh/kernel/traps_64.c12
-rw-r--r--arch/sh/lib64/Makefile2
-rw-r--r--arch/sh/lib64/dbg.c248
3 files changed, 1 insertions, 261 deletions
diff --git a/arch/sh/kernel/traps_64.c b/arch/sh/kernel/traps_64.c
index 488c1cd557f1..c902c29400a3 100644
--- a/arch/sh/kernel/traps_64.c
+++ b/arch/sh/kernel/traps_64.c
@@ -32,15 +32,6 @@
#include <asm/pgtable.h>
#include <asm/fpu.h>
-#undef DEBUG_EXCEPTION
-#ifdef DEBUG_EXCEPTION
-/* implemented in ../lib/dbg.c */
-extern void show_excp_regs(char *fname, int trapnr, int signr,
- struct pt_regs *regs);
-#else
-#define show_excp_regs(a, b, c, d)
-#endif
-
static void do_unhandled_exception(int trapnr, int signr, char *str, char *fn_name,
unsigned long error_code, struct pt_regs *regs, struct task_struct *tsk);
@@ -239,7 +230,6 @@ DO_ERROR(12, SIGILL, "reserved instruction", reserved_inst, current)
/* Called with interrupts disabled */
asmlinkage void do_exception_error(unsigned long ex, struct pt_regs *regs)
{
- show_excp_regs(__func__, -1, -1, regs);
die_if_kernel("exception", regs, ex);
}
@@ -256,8 +246,6 @@ int do_unknown_trapa(unsigned long scId, struct pt_regs *regs)
static void do_unhandled_exception(int trapnr, int signr, char *str, char *fn_name,
unsigned long error_code, struct pt_regs *regs, struct task_struct *tsk)
{
- show_excp_regs(fn_name, trapnr, signr, regs);
-
if (user_mode(regs))
force_sig(signr, tsk);
diff --git a/arch/sh/lib64/Makefile b/arch/sh/lib64/Makefile
index 1fee75aa1f98..69779ff741df 100644
--- a/arch/sh/lib64/Makefile
+++ b/arch/sh/lib64/Makefile
@@ -10,7 +10,7 @@
#
# Panic should really be compiled as PIC
-lib-y := udelay.o dbg.o panic.o memcpy.o memset.o \
+lib-y := udelay.o panic.o memcpy.o memset.o \
copy_user_memcpy.o copy_page.o strcpy.o strlen.o
# Extracted from libgcc
diff --git a/arch/sh/lib64/dbg.c b/arch/sh/lib64/dbg.c
deleted file mode 100644
index 6152a6a6d9c6..000000000000
--- a/arch/sh/lib64/dbg.c
+++ /dev/null
@@ -1,248 +0,0 @@
-/*--------------------------------------------------------------------------
---
--- Identity : Linux50 Debug Funcions
---
--- File : arch/sh/lib64/dbg.c
---
--- Copyright 2000, 2001 STMicroelectronics Limited.
--- Copyright 2004 Richard Curnow (evt_debug etc)
---
---------------------------------------------------------------------------*/
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/fs.h>
-#include <asm/mmu_context.h>
-
-typedef u64 regType_t;
-
-static regType_t getConfigReg(u64 id)
-{
- register u64 reg __asm__("r2");
- asm volatile ("getcfg %1, 0, %0":"=r" (reg):"r"(id));
- return (reg);
-}
-
-/* ======================================================================= */
-
-static char *szTab[] = { "4k", "64k", "1M", "512M" };
-static char *protTab[] = { "----",
- "---R",
- "--X-",
- "--XR",
- "-W--",
- "-W-R",
- "-WX-",
- "-WXR",
- "U---",
- "U--R",
- "U-X-",
- "U-XR",
- "UW--",
- "UW-R",
- "UWX-",
- "UWXR"
-};
-#define ITLB_BASE 0x00000000
-#define DTLB_BASE 0x00800000
-#define MAX_TLBs 64
-/* PTE High */
-#define GET_VALID(pte) ((pte) & 0x1)
-#define GET_SHARED(pte) ((pte) & 0x2)
-#define GET_ASID(pte) ((pte >> 2) & 0x0ff)
-#define GET_EPN(pte) ((pte) & 0xfffff000)
-
-/* PTE Low */
-#define GET_CBEHAVIOR(pte) ((pte) & 0x3)
-#define GET_PAGE_SIZE(pte) szTab[((pte >> 3) & 0x3)]
-#define GET_PROTECTION(pte) protTab[((pte >> 6) & 0xf)]
-#define GET_PPN(pte) ((pte) & 0xfffff000)
-
-#define PAGE_1K_MASK 0x00000000
-#define PAGE_4K_MASK 0x00000010
-#define PAGE_64K_MASK 0x00000080
-#define MMU_PAGESIZE_MASK (PAGE_64K_MASK | PAGE_4K_MASK)
-#define PAGE_1MB_MASK MMU_PAGESIZE_MASK
-#define PAGE_1K (1024)
-#define PAGE_4K (1024 * 4)
-#define PAGE_64K (1024 * 64)
-#define PAGE_1MB (1024 * 1024)
-
-#define HOW_TO_READ_TLB_CONTENT \
- "[ ID] PPN EPN ASID Share CB P.Size PROT.\n"
-
-void print_single_tlb(unsigned long tlb, int single_print)
-{
- regType_t pteH;
- regType_t pteL;
- unsigned int valid, shared, asid, epn, cb, ppn;
- char *pSize;
- char *pProt;
-
- /*
- ** in case of single print <single_print> is true, this implies:
- ** 1) print the TLB in any case also if NOT VALID
- ** 2) print out the header
- */
-
- pteH = getConfigReg(tlb);
- valid = GET_VALID(pteH);
- if (single_print)
- printk(HOW_TO_READ_TLB_CONTENT);
- else if (!valid)
- return;
-
- pteL = getConfigReg(tlb + 1);
-
- shared = GET_SHARED(pteH);
- asid = GET_ASID(pteH);
- epn = GET_EPN(pteH);
- cb = GET_CBEHAVIOR(pteL);
- pSize = GET_PAGE_SIZE(pteL);
- pProt = GET_PROTECTION(pteL);
- ppn = GET_PPN(pteL);
- printk("[%c%2ld] 0x%08x 0x%08x %03d %02x %02x %4s %s\n",
- ((valid) ? ' ' : 'u'), ((tlb & 0x0ffff) / TLB_STEP),
- ppn, epn, asid, shared, cb, pSize, pProt);
-}
-
-void print_dtlb(void)
-{
- int count;
- unsigned long tlb;
-
- printk(" ================= SH-5 D-TLBs Status ===================\n");
- printk(HOW_TO_READ_TLB_CONTENT);
- tlb = DTLB_BASE;
- for (count = 0; count < MAX_TLBs; count++, tlb += TLB_STEP)
- print_single_tlb(tlb, 0);
- printk
- (" =============================================================\n");
-}
-
-void print_itlb(void)
-{
- int count;
- unsigned long tlb;
-
- printk(" ================= SH-5 I-TLBs Status ===================\n");
- printk(HOW_TO_READ_TLB_CONTENT);
- tlb = ITLB_BASE;
- for (count = 0; count < MAX_TLBs; count++, tlb += TLB_STEP)
- print_single_tlb(tlb, 0);
- printk
- (" =============================================================\n");
-}
-
-void show_excp_regs(char *from, int trapnr, int signr, struct pt_regs *regs)
-{
-
- unsigned long long ah, al, bh, bl, ch, cl;
-
- printk("\n");
- printk("EXCEPTION - %s: task %d; Linux trap # %d; signal = %d\n",
- ((from) ? from : "???"), current->pid, trapnr, signr);
-
- asm volatile ("getcon " __EXPEVT ", %0":"=r"(ah));
- asm volatile ("getcon " __EXPEVT ", %0":"=r"(al));
- ah = (ah) >> 32;
- al = (al) & 0xffffffff;
- asm volatile ("getcon " __KCR1 ", %0":"=r"(bh));
- asm volatile ("getcon " __KCR1 ", %0":"=r"(bl));
- bh = (bh) >> 32;
- bl = (bl) & 0xffffffff;
- asm volatile ("getcon " __INTEVT ", %0":"=r"(ch));
- asm volatile ("getcon " __INTEVT ", %0":"=r"(cl));
- ch = (ch) >> 32;
- cl = (cl) & 0xffffffff;
- printk("EXPE: %08Lx%08Lx KCR1: %08Lx%08Lx INTE: %08Lx%08Lx\n",
- ah, al, bh, bl, ch, cl);
-
- asm volatile ("getcon " __PEXPEVT ", %0":"=r"(ah));
- asm volatile ("getcon " __PEXPEVT ", %0":"=r"(al));
- ah = (ah) >> 32;
- al = (al) & 0xffffffff;
- asm volatile ("getcon " __PSPC ", %0":"=r"(bh));
- asm volatile ("getcon " __PSPC ", %0":"=r"(bl));
- bh = (bh) >> 32;
- bl = (bl) & 0xffffffff;
- asm volatile ("getcon " __PSSR ", %0":"=r"(ch));
- asm volatile ("getcon " __PSSR ", %0":"=r"(cl));
- ch = (ch) >> 32;
- cl = (cl) & 0xffffffff;
- printk("PEXP: %08Lx%08Lx PSPC: %08Lx%08Lx PSSR: %08Lx%08Lx\n",
- ah, al, bh, bl, ch, cl);
-
- ah = (regs->pc) >> 32;
- al = (regs->pc) & 0xffffffff;
- bh = (regs->regs[18]) >> 32;
- bl = (regs->regs[18]) & 0xffffffff;
- ch = (regs->regs[15]) >> 32;
- cl = (regs->regs[15]) & 0xffffffff;
- printk("PC : %08Lx%08Lx LINK: %08Lx%08Lx SP : %08Lx%08Lx\n",
- ah, al, bh, bl, ch, cl);
-
- ah = (regs->sr) >> 32;
- al = (regs->sr) & 0xffffffff;
- asm volatile ("getcon " __TEA ", %0":"=r"(bh));
- asm volatile ("getcon " __TEA ", %0":"=r"(bl));
- bh = (bh) >> 32;
- bl = (bl) & 0xffffffff;
- asm volatile ("getcon " __KCR0 ", %0":"=r"(ch));
- asm volatile ("getcon " __KCR0 ", %0":"=r"(cl));
- ch = (ch) >> 32;
- cl = (cl) & 0xffffffff;
- printk("SR : %08Lx%08Lx TEA : %08Lx%08Lx KCR0: %08Lx%08Lx\n",
- ah, al, bh, bl, ch, cl);
-
- ah = (regs->regs[0]) >> 32;
- al = (regs->regs[0]) & 0xffffffff;
- bh = (regs->regs[1]) >> 32;
- bl = (regs->regs[1]) & 0xffffffff;
- ch = (regs->regs[2]) >> 32;
- cl = (regs->regs[2]) & 0xffffffff;
- printk("R0 : %08Lx%08Lx R1 : %08Lx%08Lx R2 : %08Lx%08Lx\n",
- ah, al, bh, bl, ch, cl);
-
- ah = (regs->regs[3]) >> 32;
- al = (regs->regs[3]) & 0xffffffff;
- bh = (regs->regs[4]) >> 32;
- bl = (regs->regs[4]) & 0xffffffff;
- ch = (regs->regs[5]) >> 32;
- cl = (regs->regs[5]) & 0xffffffff;
- printk("R3 : %08Lx%08Lx R4 : %08Lx%08Lx R5 : %08Lx%08Lx\n",
- ah, al, bh, bl, ch, cl);
-
- ah = (regs->regs[6]) >> 32;
- al = (regs->regs[6]) & 0xffffffff;
- bh = (regs->regs[7]) >> 32;
- bl = (regs->regs[7]) & 0xffffffff;
- ch = (regs->regs[8]) >> 32;
- cl = (regs->regs[8]) & 0xffffffff;
- printk("R6 : %08Lx%08Lx R7 : %08Lx%08Lx R8 : %08Lx%08Lx\n",
- ah, al, bh, bl, ch, cl);
-
- ah = (regs->regs[9]) >> 32;
- al = (regs->regs[9]) & 0xffffffff;
- bh = (regs->regs[10]) >> 32;
- bl = (regs->regs[10]) & 0xffffffff;
- ch = (regs->regs[11]) >> 32;
- cl = (regs->regs[11]) & 0xffffffff;
- printk("R9 : %08Lx%08Lx R10 : %08Lx%08Lx R11 : %08Lx%08Lx\n",
- ah, al, bh, bl, ch, cl);
- printk("....\n");
-
- ah = (regs->tregs[0]) >> 32;
- al = (regs->tregs[0]) & 0xffffffff;
- bh = (regs->tregs[1]) >> 32;
- bl = (regs->tregs[1]) & 0xffffffff;
- ch = (regs->tregs[2]) >> 32;
- cl = (regs->tregs[2]) & 0xffffffff;
- printk("T0 : %08Lx%08Lx T1 : %08Lx%08Lx T2 : %08Lx%08Lx\n",
- ah, al, bh, bl, ch, cl);
- printk("....\n");
-
- print_dtlb();
- print_itlb();
-}
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-19 13:57:14 +0000