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riscv-openocd
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target: reduce stack usage 

4096 byte buffer allocated dynamically. Better
for embedded OS's.

Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
This commit is contained in:
Øyvind Harboe 2009-11-22 18:58:42 +01:00
parent 7daec5a0ce
commit aacc5b583c
1 changed files with 20 additions and 6 deletions
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26
src/target/target.c
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@ -3145,7 +3145,6 @@ static int target_mem2array(Jim_Interp *interp, struct target *target, int argc,
uint32_t count; uint32_t count;
uint32_t v; uint32_t v;
const char *varname; const char *varname;
uint8_t buffer[4096];
int n, e, retval; int n, e, retval;
uint32_t i; uint32_t i;
@ -3227,14 +3226,20 @@ static int target_mem2array(Jim_Interp *interp, struct target *target, int argc,
/* index counter */ /* index counter */
n = 0; n = 0;
size_t buffersize = 4096;
uint8_t *buffer = malloc(buffersize);
if (buffer == NULL)
return JIM_ERR;
/* assume ok */ /* assume ok */
e = JIM_OK; e = JIM_OK;
while (len) { while (len) {
/* Slurp... in buffer size chunks */ /* Slurp... in buffer size chunks */
count = len; /* in objects.. */ count = len; /* in objects.. */
if (count > (sizeof(buffer)/width)) { if (count > (buffersize/width)) {
count = (sizeof(buffer)/width); count = (buffersize/width);
} }
retval = target_read_memory(target, addr, width, count, buffer); retval = target_read_memory(target, addr, width, count, buffer);
@ -3268,6 +3273,8 @@ static int target_mem2array(Jim_Interp *interp, struct target *target, int argc,
} }
} }
free(buffer);
Jim_SetResult(interp, Jim_NewEmptyStringObj(interp)); Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
return JIM_OK; return JIM_OK;
@ -3331,7 +3338,6 @@ static int target_array2mem(Jim_Interp *interp, struct target *target, int argc,
uint32_t count; uint32_t count;
uint32_t v; uint32_t v;
const char *varname; const char *varname;
uint8_t buffer[4096];
int n, e, retval; int n, e, retval;
uint32_t i; uint32_t i;
@ -3415,12 +3421,18 @@ static int target_array2mem(Jim_Interp *interp, struct target *target, int argc,
n = 0; n = 0;
/* assume ok */ /* assume ok */
e = JIM_OK; e = JIM_OK;
size_t buffersize = 4096;
uint8_t *buffer = malloc(buffersize);
if (buffer == NULL)
return JIM_ERR;
while (len) { while (len) {
/* Slurp... in buffer size chunks */ /* Slurp... in buffer size chunks */
count = len; /* in objects.. */ count = len; /* in objects.. */
if (count > (sizeof(buffer)/width)) { if (count > (buffersize/width)) {
count = (sizeof(buffer)/width); count = (buffersize/width);
} }
v = 0; /* shut up gcc */ v = 0; /* shut up gcc */
@ -3454,6 +3466,8 @@ static int target_array2mem(Jim_Interp *interp, struct target *target, int argc,
} }
} }
free(buffer);
Jim_SetResult(interp, Jim_NewEmptyStringObj(interp)); Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
return JIM_OK; return JIM_OK;