diff options
Diffstat (limited to 'arch/sh/lib64/dbg.c')
-rw-r--r-- | arch/sh/lib64/dbg.c | 248 |
1 files changed, 0 insertions, 248 deletions
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(); -} |