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TLB dump command added to DDB

This commit is contained in:
uch 2002-02-08 06:12:00 +00:00
parent da20ab3589
commit b3308f4d3d
2 changed files with 144 additions and 2 deletions
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7
sys/arch/sh3/include/db_machdep.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: db_machdep.h,v 1.3 2000/09/08 10:15:23 tsubai Exp $ */
/* $NetBSD: db_machdep.h,v 1.4 2002/02/08 06:12:00 uch Exp $ */
/*
* Mach Operating System
@ -101,4 +101,9 @@ boolean_t inst_trap_return(int);
#define DB_ELF_SYMBOLS
#define DB_ELFSIZE 32
/*
* We have machine-dependent commands.
*/
#define DB_MACHINE_COMMANDS
#endif /* _SH3_DB_MACHDEP_H_ */

139
sys/arch/sh3/sh3/db_interface.c
View File

@ -1,6 +1,7 @@
/* $NetBSD: db_interface.c,v 1.4 2001/10/16 02:07:46 msaitoh Exp $ */
/* $NetBSD: db_interface.c,v 1.5 2002/02/08 06:12:01 uch Exp $ */
/*-
* Copyright (C) 2002 UCHIYAMA Yasushi. All rights reserved.
* Copyright (c) 2000 Tsubai Masanari. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -47,11 +48,17 @@
#include <ddb/ddbvar.h>
void kdb_printtrap(u_int, int);
void db_tlbdump_cmd(db_expr_t, int, db_expr_t, char *);
extern label_t *db_recover;
extern char *trap_type[];
extern int trap_types;
const struct db_command db_machine_command_table[] = {
{ "tlb", db_tlbdump_cmd, 0, 0 },
{ 0 }
};
int db_active;
void
@ -175,3 +182,133 @@ db_clear_single_step(regs)
{
regs->tf_ubc = 0;
}
void
db_tlbdump_cmd(db_expr_t addr, int have_addr, db_expr_t count, char *modif)
{
#define ON(x, c) ((x) & (c) ? '|' : '.')
static const char *pr[] = { ".r", ".w", "rr", "ww" };
static const char title[] =
" VPN ASID PFN VDCGWtPR SZ";
static const char title2[] = "\t\t\t (user/kernel)";
int i, cpu_is_sh4;
u_int32_t r, e, a;
#ifdef SH4
cpu_is_sh4 = 1;
#else
cpu_is_sh4 = 0;
#endif
if (!cpu_is_sh4) {
/* MMU configuration. */
r = _reg_read_4(SH3_MMUCR);
printf("%s-mode, %s virtual storage mode\n",
r & SH3_MMUCR_IX
? "ASID + VPN" : "VPN only",
r & SH3_MMUCR_SV ? "single" : "multiple");
printf("---TLB DUMP---\n%s\n%s\n", title, title2);
for (i = 0; i < SH3_MMU_WAY; i++) {
printf(" [way %d]\n", i);
for (e = 0; e < SH3_MMU_ENTRY; e++) {
/* address/data array common offset. */
a = (e << SH3_MMU_VPN_SHIFT) |
(i << SH3_MMU_WAY_SHIFT);
r = _reg_read_4(SH3_MMUAA | a);
printf("0x%08x %3d",
r & SH3_MMUAA_D_VPN_MASK,
r & SH3_MMUAA_D_ASID_MASK);
r = _reg_read_4(SH3_MMUDA | a);
printf(" 0x%08x %c%c%c%c_ %s %2dK\n",
r & SH3_MMUDA_D_PPN_MASK,
ON(r, SH3_MMUDA_D_V),
ON(r, SH3_MMUDA_D_D),
ON(r, SH3_MMUDA_D_C),
ON(r, SH3_MMUDA_D_SH),
pr[(r & SH3_MMUDA_D_PR_MASK) >>
SH3_MMUDA_D_PR_SHIFT],
r & SH3_MMUDA_D_SZ ? 4 : 1);
}
}
} else {
/* MMU configuration */
r = _reg_read_4(SH4_MMUCR);
printf("%s virtual storage mode, SQ access: (kernel%s)\n",
r & SH3_MMUCR_SV ? "single" : "multiple",
r & SH4_MMUCR_SQMD ? "" : "/user");
/* Dump ITLB */
printf("---ITLB DUMP ---\n%s TC SA\n%s\n", title, title2);
for (i = 0; i < 4; i++) {
e = i << SH4_ITLB_E_SHIFT;
r = _reg_read_4(SH4_ITLB_AA | e);
printf("0x%08x %3d",
r & SH4_ITLB_AA_VPN_MASK,
r & SH4_ITLB_AA_ASID_MASK);
r = _reg_read_4(SH4_ITLB_DA1 | e);
printf(" 0x%08x %c_%c%c_ %s ",
r & SH4_ITLB_DA1_PPN_MASK,
ON(r, SH4_ITLB_DA1_V),
ON(r, SH4_ITLB_DA1_C),
ON(r, SH4_ITLB_DA1_SH),
pr[(r & SH4_ITLB_DA1_PR) >>
SH4_UTLB_DA1_PR_SHIFT]);
switch (r & SH4_PTEL_SZ_MASK) {
case SH4_PTEL_SZ_1K:
printf(" 1K");
break;
case SH4_PTEL_SZ_4K:
printf(" 4K");
break;
case SH4_PTEL_SZ_64K:
printf("64K");
break;
case SH4_PTEL_SZ_1M:
printf(" 1M");
break;
}
r = _reg_read_4(SH4_ITLB_DA2 | e);
printf(" %c %d\n",
ON(r, SH4_ITLB_DA2_TC),
r & SH4_ITLB_DA2_SA_MASK);
}
/* Dump UTLB */
printf("---UTLB DUMP---\n%s TC SA\n%s\n", title, title2);
for (i = 0; i < 64; i++) {
e = i << SH4_UTLB_E_SHIFT;
r = _reg_read_4(SH4_UTLB_AA | e);
printf("0x%08x %3d",
r & SH4_UTLB_AA_VPN_MASK,
r & SH4_UTLB_AA_ASID_MASK);
r = _reg_read_4(SH4_UTLB_DA1 | e);
printf(" 0x%08x %c%c%c%c%c %s ",
r & SH4_UTLB_DA1_PPN_MASK,
ON(r, SH4_UTLB_DA1_V),
ON(r, SH4_UTLB_DA1_D),
ON(r, SH4_UTLB_DA1_C),
ON(r, SH4_UTLB_DA1_SH),
ON(r, SH4_UTLB_DA1_WT),
pr[(r & SH4_UTLB_DA1_PR_MASK) >>
SH4_UTLB_DA1_PR_SHIFT]
);
switch (r & SH4_PTEL_SZ_MASK) {
case SH4_PTEL_SZ_1K:
printf(" 1K");
break;
case SH4_PTEL_SZ_4K:
printf(" 4K");
break;
case SH4_PTEL_SZ_64K:
printf("64K");
break;
case SH4_PTEL_SZ_1M:
printf(" 1M");
break;
}
r = _reg_read_4(SH4_UTLB_DA2 | e);
printf(" %c %d\n",
ON(r, SH4_UTLB_DA2_TC),
r & SH4_UTLB_DA2_SA_MASK);
}
}
#undef ON
}