*
* Copyright (C) 1996 Paul Mackerras.
*/
-#include <linux/config.h>
#include <linux/errno.h>
#include <linux/sched.h>
#include <linux/smp.h>
#include <linux/kallsyms.h>
#include <asm/ptrace.h>
#include <asm/string.h>
-#include <asm/prom.h>
-#include <asm/bootx.h>
#include <asm/machdep.h>
#include <asm/xmon.h>
-#ifdef CONFIG_PMAC_BACKLIGHT
-#include <asm/backlight.h>
-#endif
#include "nonstdio.h"
#include "privinst.h"
static void cpu_cmd(void);
#endif /* CONFIG_SMP */
static void csum(void);
-#ifdef CONFIG_BOOTX_TEXT
-static void vidcmds(void);
-#endif
static void bootcmds(void);
static void proccall(void);
static void printtime(void);
#define SSTEP 1 /* stepping because of 's' command */
#define BRSTEP 2 /* stepping over breakpoint */
+#ifdef CONFIG_4xx
+#define MSR_SSTEP_ENABLE 0x200
+#else
+#define MSR_SSTEP_ENABLE 0x400
+#endif
+
static struct pt_regs *xmon_regs[NR_CPUS];
extern inline void sync(void)
p[1] = lo;
}
+static inline void xmon_enable_sstep(struct pt_regs *regs)
+{
+ regs->msr |= MSR_SSTEP_ENABLE;
+#ifdef CONFIG_4xx
+ mtspr(SPRN_DBCR0, mfspr(SPRN_DBCR0) | DBCR0_IC | DBCR0_IDM);
+#endif
+}
+
int xmon(struct pt_regs *excp)
{
struct pt_regs regs;
*/
#endif /* CONFIG_SMP */
remove_bpts();
-#ifdef CONFIG_PMAC_BACKLIGHT
- if( setjmp(bus_error_jmp) == 0 ) {
- debugger_fault_handler = handle_fault;
- sync();
- set_backlight_enable(1);
- set_backlight_level(BACKLIGHT_MAX);
- sync();
- }
- debugger_fault_handler = NULL;
-#endif /* CONFIG_PMAC_BACKLIGHT */
cmd = cmds(excp);
if (cmd == 's') {
xmon_trace[smp_processor_id()] = SSTEP;
- excp->msr |= 0x400;
+ xmon_enable_sstep(excp);
} else if (at_breakpoint(excp->nip)) {
xmon_trace[smp_processor_id()] = BRSTEP;
- excp->msr |= 0x400;
+ xmon_enable_sstep(excp);
} else {
xmon_trace[smp_processor_id()] = 0;
insert_bpts();
remove_bpts();
excprint(regs);
xmon_trace[smp_processor_id()] = BRSTEP;
- regs->msr |= 0x400;
+ xmon_enable_sstep(regs);
} else {
xmon(regs);
}
}
store_inst((void *) bp->address);
}
-#if !defined(CONFIG_8xx)
+#if ! (defined(CONFIG_8xx) || defined(CONFIG_4xx))
if (dabr.enabled)
set_dabr(dabr.address);
if (iabr.enabled)
struct bpt *bp;
unsigned instr;
-#if !defined(CONFIG_8xx)
+#if ! (defined(CONFIG_8xx) || defined(CONFIG_4xx))
set_dabr(0);
set_iabr(0);
#endif
cpu_cmd();
break;
#endif /* CONFIG_SMP */
-#ifdef CONFIG_BOOTX_TEXT
- case 'v':
- vidcmds();
- break;
-#endif
case 'z':
bootcmds();
break;
}
#endif /* CONFIG_SMP */
-#ifdef CONFIG_BOOTX_TEXT
-extern boot_infos_t disp_bi;
-
-static void vidcmds(void)
-{
- int c = inchar();
- unsigned int val, w;
- extern int boot_text_mapped;
-
- if (!boot_text_mapped)
- return;
- if (c != '\n' && scanhex(&val)) {
- switch (c) {
- case 'd':
- w = disp_bi.dispDeviceRowBytes
- / (disp_bi.dispDeviceDepth >> 3);
- disp_bi.dispDeviceDepth = val;
- disp_bi.dispDeviceRowBytes = w * (val >> 3);
- return;
- case 'p':
- disp_bi.dispDeviceRowBytes = val;
- return;
- case 'w':
- disp_bi.dispDeviceRect[2] = val;
- return;
- case 'h':
- disp_bi.dispDeviceRect[3] = val;
- return;
- }
- }
- printf("W = %d (0x%x) H = %d (0x%x) D = %d (0x%x) P = %d (0x%x)\n",
- disp_bi.dispDeviceRect[2], disp_bi.dispDeviceRect[2],
- disp_bi.dispDeviceRect[3], disp_bi.dispDeviceRect[3],
- disp_bi.dispDeviceDepth, disp_bi.dispDeviceDepth,
- disp_bi.dispDeviceRowBytes, disp_bi.dispDeviceRowBytes);
-}
-#endif /* CONFIG_BOOTX_TEXT */
static unsigned short fcstab[256] = {
0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf,
cmd = inchar();
switch (cmd) {
-#if !defined(CONFIG_8xx)
+#if ! (defined(CONFIG_8xx) || defined(CONFIG_4xx))
case 'd':
mode = 7;
cmd = inchar();
}
#else
-#ifndef CONFIG_PPC64BRIDGE
static void
dump_hash_table_seg(unsigned seg, unsigned start, unsigned end)
{
printf(" ... %x\n", last_va);
}
-#else /* CONFIG_PPC64BRIDGE */
-static void
-dump_hash_table_seg(unsigned seg, unsigned start, unsigned end)
-{
- extern void *Hash;
- extern unsigned long Hash_size;
- unsigned *htab = Hash;
- unsigned hsize = Hash_size;
- unsigned v, hmask, va, last_va;
- int found, last_found, i;
- unsigned *hg, w1, last_w2, last_va0;
-
- last_found = 0;
- hmask = hsize / 128 - 1;
- va = start;
- start = (start >> 12) & 0xffff;
- end = (end >> 12) & 0xffff;
- for (v = start; v < end; ++v) {
- found = 0;
- hg = htab + (((v ^ seg) & hmask) * 32);
- w1 = 1 | (seg << 12) | ((v & 0xf800) >> 4);
- for (i = 0; i < 8; ++i, hg += 4) {
- if (hg[1] == w1) {
- found = 1;
- break;
- }
- }
- if (!found) {
- w1 ^= 2;
- hg = htab + ((~(v ^ seg) & hmask) * 32);
- for (i = 0; i < 8; ++i, hg += 4) {
- if (hg[1] == w1) {
- found = 1;
- break;
- }
- }
- }
- if (!(last_found && found && (hg[3] & ~0x180) == last_w2 + 4096)) {
- if (last_found) {
- if (last_va != last_va0)
- printf(" ... %x", last_va);
- printf("\n");
- }
- if (found) {
- printf("%x to %x", va, hg[3]);
- last_va0 = va;
- }
- last_found = found;
- }
- if (found) {
- last_w2 = hg[3] & ~0x180;
- last_va = va;
- }
- va += 4096;
- }
- if (last_found)
- printf(" ... %x\n", last_va);
-}
-#endif /* CONFIG_PPC64BRIDGE */
-
static unsigned hash_ctx;
static unsigned hash_start;
static unsigned hash_end;
projects / linux-3.10.git / blobdiff