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authorMichael Ellerman <michael@ellerman.id.au>2006-11-23 00:46:44 +0100
committerPaul Mackerras <paulus@samba.org>2006-12-04 20:40:31 +1100
commitaf89fb8041562508895c8f3ba04790d7c2f4338c (patch)
tree5b1bdbd2769400b0506a8fa4be64e3fd1d7fed9b /arch
parentae06e374c15c5d62e08c19c15f2c247a86e240d4 (diff)
downloadlinaro-lsk-af89fb8041562508895c8f3ba04790d7c2f4338c.tar.gz
[POWERPC] Add spu disassembly to xmon
This patch adds a "sdi" command to xmon, to disassemble the contents of an spu's local store. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/xmon/Makefile1
-rw-r--r--arch/powerpc/xmon/xmon.c35
2 files changed, 28 insertions, 8 deletions
diff --git a/arch/powerpc/xmon/Makefile b/arch/powerpc/xmon/Makefile
index 109d874ecfb..4f274056e77 100644
--- a/arch/powerpc/xmon/Makefile
+++ b/arch/powerpc/xmon/Makefile
@@ -5,3 +5,4 @@ EXTRA_CFLAGS += -mno-minimal-toc
endif
obj-y += xmon.o ppc-dis.o ppc-opc.o setjmp.o start.o \
nonstdio.o
+obj-$(CONFIG_PPC_CELL) += spu-dis.o spu-opc.o
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index a39b17638b7..7a0eec23cb9 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -155,6 +155,7 @@ static int do_spu_cmd(void);
int xmon_no_auto_backtrace;
extern int print_insn_powerpc(unsigned long insn, unsigned long memaddr);
+extern int print_insn_spu(unsigned long insn, unsigned long memaddr);
extern void xmon_enter(void);
extern void xmon_leave(void);
@@ -219,7 +220,8 @@ Commands:\n\
" ss stop execution on all spus\n\
sr restore execution on stopped spus\n\
sf # dump spu fields for spu # (in hex)\n\
- sd # dump spu local store for spu # (in hex)\n"
+ sd # dump spu local store for spu # (in hex)\
+ sdi # disassemble spu local store for spu # (in hex)\n"
#endif
" S print special registers\n\
t print backtrace\n\
@@ -2828,7 +2830,13 @@ static void dump_spu_fields(struct spu *spu)
DUMP_FIELD(spu, "0x%p", priv2);
}
-static void dump_spu_ls(unsigned long num)
+int
+spu_inst_dump(unsigned long adr, long count, int praddr)
+{
+ return generic_inst_dump(adr, count, praddr, print_insn_spu);
+}
+
+static void dump_spu_ls(unsigned long num, int subcmd)
{
unsigned long offset, addr, ls_addr;
@@ -2855,9 +2863,17 @@ static void dump_spu_ls(unsigned long num)
return;
}
- prdump(addr, 64);
- addr += 64;
- last_cmd = "sd\n";
+ switch (subcmd) {
+ case 'i':
+ addr += spu_inst_dump(addr, 16, 1);
+ last_cmd = "sdi\n";
+ break;
+ default:
+ prdump(addr, 64);
+ addr += 64;
+ last_cmd = "sd\n";
+ break;
+ }
spu_info[num].dump_addr = addr;
}
@@ -2865,7 +2881,7 @@ static void dump_spu_ls(unsigned long num)
static int do_spu_cmd(void)
{
static unsigned long num = 0;
- int cmd;
+ int cmd, subcmd = 0;
cmd = inchar();
switch (cmd) {
@@ -2875,8 +2891,11 @@ static int do_spu_cmd(void)
case 'r':
restart_spus();
break;
- case 'f':
case 'd':
+ subcmd = inchar();
+ if (isxdigit(subcmd) || subcmd == '\n')
+ termch = subcmd;
+ case 'f':
scanhex(&num);
if (num >= XMON_NUM_SPUS || !spu_info[num].spu) {
printf("*** Error: invalid spu number\n");
@@ -2888,7 +2907,7 @@ static int do_spu_cmd(void)
dump_spu_fields(spu_info[num].spu);
break;
default:
- dump_spu_ls(num);
+ dump_spu_ls(num, subcmd);
break;
}