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[openocd-svn] Main OpenOCD repository branch, master, updated. v0.3.0-534-g2d6829d
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From: Øyvind H. <go...@us...> - 2009-11-22 20:19:29
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from 5985dee35da3ea24f1c9cb30b6cd50aa1bc63660 (commit)
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- Log -----------------------------------------------------------------
commit 2d6829d6982fa485b8cabb3a91e41b9c50c7f3d1
Author: Ãyvind Harboe <oyv...@zy...>
Date: Sun Nov 22 20:18:26 2009 +0100
mips: use const for code sequences
This will allow data to be allocated in read only
memory instead of on the stack. Speeds things up
and reduces stack usage.
Signed-off-by: Ãyvind Harboe <oyv...@zy...>
diff --git a/src/target/mips32_pracc.c b/src/target/mips32_pracc.c
index abc4a6f..3177e0f 100644
--- a/src/target/mips32_pracc.c
+++ b/src/target/mips32_pracc.c
@@ -83,7 +83,7 @@ struct mips32_pracc_context
int num_iparam;
uint32_t *local_oparam;
int num_oparam;
- uint32_t *code;
+ const uint32_t *code;
int code_len;
uint32_t stack[32];
int stack_offset;
@@ -208,7 +208,7 @@ static int mips32_pracc_exec_write(struct mips32_pracc_context *ctx, uint32_t ad
return ERROR_OK;
}
-int mips32_pracc_exec(struct mips_ejtag *ejtag_info, int code_len, uint32_t *code, int num_param_in, uint32_t *param_in, int num_param_out, uint32_t *param_out, int cycle)
+int mips32_pracc_exec(struct mips_ejtag *ejtag_info, int code_len, const uint32_t *code, int num_param_in, uint32_t *param_in, int num_param_out, uint32_t *param_out, int cycle)
{
uint32_t ejtag_ctrl;
uint32_t address, data;
@@ -290,7 +290,7 @@ int mips32_pracc_read_mem(struct mips_ejtag *ejtag_info, uint32_t addr, int size
int mips32_pracc_read_mem32(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint32_t *buf)
{
- uint32_t code[] = {
+ static const uint32_t code[] = {
/* start: */
MIPS32_MTC0(15,31,0), /* move $15 to COP0 DeSave */
MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
@@ -364,7 +364,7 @@ int mips32_pracc_read_mem32(struct mips_ejtag *ejtag_info, uint32_t addr, int co
int mips32_pracc_read_u32(struct mips_ejtag *ejtag_info, uint32_t addr, uint32_t *buf)
{
- uint32_t code[] = {
+ static const uint32_t code[] = {
/* start: */
MIPS32_MTC0(15,31,0), /* move $15 to COP0 DeSave */
MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
@@ -398,7 +398,7 @@ int mips32_pracc_read_u32(struct mips_ejtag *ejtag_info, uint32_t addr, uint32_t
int mips32_pracc_read_mem16(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint16_t *buf)
{
- uint32_t code[] = {
+ static const uint32_t code[] = {
/* start: */
MIPS32_MTC0(15,31,0), /* move $15 to COP0 DeSave */
MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
@@ -477,7 +477,7 @@ int mips32_pracc_read_mem16(struct mips_ejtag *ejtag_info, uint32_t addr, int co
int mips32_pracc_read_mem8(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint8_t *buf)
{
- uint32_t code[] = {
+ static const uint32_t code[] = {
/* start: */
MIPS32_MTC0(15,31,0), /* move $15 to COP0 DeSave */
MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
@@ -576,7 +576,7 @@ int mips32_pracc_write_mem32(struct mips_ejtag *ejtag_info, uint32_t addr, int c
{
//NC: use destination pointer as loop counter (last address is in $10)
- uint32_t code[] = {
+ static const uint32_t code[] = {
/* start: */
MIPS32_MTC0(15,31,0), /* move $15 to COP0 DeSave */
MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
@@ -623,7 +623,7 @@ int mips32_pracc_write_mem32(struct mips_ejtag *ejtag_info, uint32_t addr, int c
int mips32_pracc_write_u32(struct mips_ejtag *ejtag_info, uint32_t addr, uint32_t *buf)
{
- uint32_t code[] = {
+ static const uint32_t code[] = {
/* start: */
MIPS32_MTC0(15,31,0), /* move $15 to COP0 DeSave */
MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
@@ -656,7 +656,7 @@ int mips32_pracc_write_u32(struct mips_ejtag *ejtag_info, uint32_t addr, uint32_
int mips32_pracc_write_mem16(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint16_t *buf)
{
- uint32_t code[] = {
+ static const uint32_t code[] = {
/* start: */
MIPS32_MTC0(15,31,0), /* move $15 to COP0 DeSave */
MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
@@ -716,7 +716,7 @@ int mips32_pracc_write_mem16(struct mips_ejtag *ejtag_info, uint32_t addr, int c
int mips32_pracc_write_mem8(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint8_t *buf)
{
- uint32_t code[] = {
+ static const uint32_t code[] = {
/* start: */
MIPS32_MTC0(15,31,0), /* move $15 to COP0 DeSave */
MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
@@ -777,7 +777,7 @@ int mips32_pracc_write_mem8(struct mips_ejtag *ejtag_info, uint32_t addr, int co
int mips32_pracc_write_regs(struct mips_ejtag *ejtag_info, uint32_t *regs)
{
- uint32_t code[] = {
+ static const uint32_t code[] = {
/* start: */
MIPS32_LUI(2,UPPER16(MIPS32_PRACC_PARAM_IN)), /* $2 = MIPS32_PRACC_PARAM_IN */
MIPS32_ORI(2,2,LOWER16(MIPS32_PRACC_PARAM_IN)),
@@ -849,7 +849,7 @@ int mips32_pracc_write_regs(struct mips_ejtag *ejtag_info, uint32_t *regs)
int mips32_pracc_read_regs(struct mips_ejtag *ejtag_info, uint32_t *regs)
{
- uint32_t code[] = {
+ static const uint32_t code[] = {
/* start: */
MIPS32_MTC0(2,31,0), /* move $2 to COP0 DeSave */
MIPS32_LUI(2,UPPER16(MIPS32_PRACC_PARAM_OUT)), /* $2 = MIPS32_PRACC_PARAM_OUT */
diff --git a/src/target/mips32_pracc.h b/src/target/mips32_pracc.h
index 3b124c7..5d1cf3d 100644
--- a/src/target/mips32_pracc.h
+++ b/src/target/mips32_pracc.h
@@ -63,7 +63,7 @@ int mips32_pracc_write_u32(struct mips_ejtag *ejtag_info,
int mips32_pracc_read_regs(struct mips_ejtag *ejtag_info, uint32_t *regs);
int mips32_pracc_write_regs(struct mips_ejtag *ejtag_info, uint32_t *regs);
-int mips32_pracc_exec(struct mips_ejtag *ejtag_info, int code_len, uint32_t *code,
+int mips32_pracc_exec(struct mips_ejtag *ejtag_info, int code_len, const uint32_t *code,
int num_param_in, uint32_t *param_in,
int num_param_out, uint32_t *param_out, int cycle);
-----------------------------------------------------------------------
Summary of changes:
src/target/mips32_pracc.c | 24 ++++++++++++------------
src/target/mips32_pracc.h | 2 +-
2 files changed, 13 insertions(+), 13 deletions(-)
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