[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>
diff --git a/arch/powerpc/xmon/Makefile b/arch/powerpc/xmon/Makefile
index 109d874..4f27405 100644
--- a/arch/powerpc/xmon/Makefile
+++ b/arch/powerpc/xmon/Makefile
@@ -5,3 +5,4 @@
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 a39b1763..7a0eec2 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -155,6 +155,7 @@
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 @@
" 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 @@
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 @@
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 int do_spu_cmd(void)
{
static unsigned long num = 0;
- int cmd;
+ int cmd, subcmd = 0;
cmd = inchar();
switch (cmd) {
@@ -2875,8 +2891,11 @@
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 @@
dump_spu_fields(spu_info[num].spu);
break;
default:
- dump_spu_ls(num);
+ dump_spu_ls(num, subcmd);
break;
}