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Commit af89fb80 authored by Michael Ellerman's avatar Michael Ellerman Committed by Paul Mackerras
Browse files

[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: default avatarMichael Ellerman <michael@ellerman.id.au>
Signed-off-by: default avatarArnd Bergmann <arnd.bergmann@de.ibm.com>
parent ae06e374

arch/powerpc/xmon/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -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

arch/powerpc/xmon/xmon.c

+27 −8
Original line number Diff line number Diff line
@@ -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;

	}



	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;

		}