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authorLinus Torvalds <torvalds@linux-foundation.org>2008-01-31 13:37:27 +1100
committerLinus Torvalds <torvalds@linux-foundation.org>2008-01-31 13:37:27 +1100
commit8af03e782cae1e0a0f530ddd22301cdd12cf9dc0 (patch)
treec4af13a38bd3cc1a811a37f2358491f171052070 /arch/powerpc/xmon/xmon.c
parent6232665040f9a23fafd9d94d4ae8d5a2dc850f65 (diff)
parent99e139126ab2e84be67969650f92eb37c12ab5cd (diff)
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Merge branch 'for-2.6.25' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'for-2.6.25' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (454 commits) [POWERPC] Cell IOMMU fixed mapping support [POWERPC] Split out the ioid fetching/checking logic [POWERPC] Add support to cell_iommu_setup_page_tables() for multiple windows [POWERPC] Split out the IOMMU logic from cell_dma_dev_setup() [POWERPC] Split cell_iommu_setup_hardware() into two parts [POWERPC] Split out the logic that allocates struct iommus [POWERPC] Allocate the hash table under 1G on cell [POWERPC] Add set_dma_ops() to match get_dma_ops() [POWERPC] 83xx: Clean up / convert mpc83xx board DTS files to v1 format. [POWERPC] 85xx: Only invalidate TLB0 and TLB1 [POWERPC] 83xx: Fix typo in mpc837x compatible entries [POWERPC] 85xx: convert sbc85* boards to use machine_device_initcall [POWERPC] 83xx: rework platform Kconfig [POWERPC] 85xx: rework platform Kconfig [POWERPC] 86xx: Remove unused IRQ defines [POWERPC] QE: Explicitly set address-cells and size cells for muram [POWERPC] Convert StorCenter DTS file to /dts-v1/ format. [POWERPC] 86xx: Convert all 86xx DTS files to /dts-v1/ format. [PPC] Remove 85xx from arch/ppc [PPC] Remove 83xx from arch/ppc ...
Diffstat (limited to 'arch/powerpc/xmon/xmon.c')
-rw-r--r--arch/powerpc/xmon/xmon.c75
1 files changed, 63 insertions, 12 deletions
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index 121b04d165d1..a34172ddc468 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -40,6 +40,7 @@
#include <asm/spu.h>
#include <asm/spu_priv1.h>
#include <asm/firmware.h>
+#include <asm/setjmp.h>
#ifdef CONFIG_PPC64
#include <asm/hvcall.h>
@@ -71,12 +72,9 @@ static unsigned long ncsum = 4096;
static int termch;
static char tmpstr[128];
-#define JMP_BUF_LEN 23
static long bus_error_jmp[JMP_BUF_LEN];
static int catch_memory_errors;
static long *xmon_fault_jmp[NR_CPUS];
-#define setjmp xmon_setjmp
-#define longjmp xmon_longjmp
/* Breakpoint stuff */
struct bpt {
@@ -153,13 +151,15 @@ static const char *getvecname(unsigned long vec);
static int do_spu_cmd(void);
+#ifdef CONFIG_44x
+static void dump_tlb_44x(void);
+#endif
+
int xmon_no_auto_backtrace;
extern void xmon_enter(void);
extern void xmon_leave(void);
-extern long setjmp(long *);
-extern void longjmp(long *, long);
extern void xmon_save_regs(struct pt_regs *);
#ifdef CONFIG_PPC64
@@ -231,6 +231,9 @@ Commands:\n\
#ifdef CONFIG_PPC_STD_MMU_32
" u dump segment registers\n"
#endif
+#ifdef CONFIG_44x
+" u dump TLB\n"
+#endif
" ? help\n"
" zr reboot\n\
zh halt\n"
@@ -856,6 +859,11 @@ cmds(struct pt_regs *excp)
dump_segments();
break;
#endif
+#ifdef CONFIG_4xx
+ case 'u':
+ dump_tlb_44x();
+ break;
+#endif
default:
printf("Unrecognized command: ");
do {
@@ -2527,16 +2535,33 @@ static void xmon_print_symbol(unsigned long address, const char *mid,
static void dump_slb(void)
{
int i;
- unsigned long tmp;
+ unsigned long esid,vsid,valid;
+ unsigned long llp;
printf("SLB contents of cpu %x\n", smp_processor_id());
- for (i = 0; i < SLB_NUM_ENTRIES; i++) {
- asm volatile("slbmfee %0,%1" : "=r" (tmp) : "r" (i));
- printf("%02d %016lx ", i, tmp);
-
- asm volatile("slbmfev %0,%1" : "=r" (tmp) : "r" (i));
- printf("%016lx\n", tmp);
+ for (i = 0; i < mmu_slb_size; i++) {
+ asm volatile("slbmfee %0,%1" : "=r" (esid) : "r" (i));
+ asm volatile("slbmfev %0,%1" : "=r" (vsid) : "r" (i));
+ valid = (esid & SLB_ESID_V);
+ if (valid | esid | vsid) {
+ printf("%02d %016lx %016lx", i, esid, vsid);
+ if (valid) {
+ llp = vsid & SLB_VSID_LLP;
+ if (vsid & SLB_VSID_B_1T) {
+ printf(" 1T ESID=%9lx VSID=%13lx LLP:%3lx \n",
+ GET_ESID_1T(esid),
+ (vsid & ~SLB_VSID_B) >> SLB_VSID_SHIFT_1T,
+ llp);
+ } else {
+ printf(" 256M ESID=%9lx VSID=%13lx LLP:%3lx \n",
+ GET_ESID(esid),
+ (vsid & ~SLB_VSID_B) >> SLB_VSID_SHIFT,
+ llp);
+ }
+ } else
+ printf("\n");
+ }
}
}
@@ -2581,6 +2606,32 @@ void dump_segments(void)
}
#endif
+#ifdef CONFIG_44x
+static void dump_tlb_44x(void)
+{
+ int i;
+
+ for (i = 0; i < PPC44x_TLB_SIZE; i++) {
+ unsigned long w0,w1,w2;
+ asm volatile("tlbre %0,%1,0" : "=r" (w0) : "r" (i));
+ asm volatile("tlbre %0,%1,1" : "=r" (w1) : "r" (i));
+ asm volatile("tlbre %0,%1,2" : "=r" (w2) : "r" (i));
+ printf("[%02x] %08x %08x %08x ", i, w0, w1, w2);
+ if (w0 & PPC44x_TLB_VALID) {
+ printf("V %08x -> %01x%08x %c%c%c%c%c",
+ w0 & PPC44x_TLB_EPN_MASK,
+ w1 & PPC44x_TLB_ERPN_MASK,
+ w1 & PPC44x_TLB_RPN_MASK,
+ (w2 & PPC44x_TLB_W) ? 'W' : 'w',
+ (w2 & PPC44x_TLB_I) ? 'I' : 'i',
+ (w2 & PPC44x_TLB_M) ? 'M' : 'm',
+ (w2 & PPC44x_TLB_G) ? 'G' : 'g',
+ (w2 & PPC44x_TLB_E) ? 'E' : 'e');
+ }
+ printf("\n");
+ }
+}
+#endif /* CONFIG_44x */
void xmon_init(int enable)
{
#ifdef CONFIG_PPC_ISERIES