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-rw-r--r--main/common/reg_cache.c205
1 files changed, 104 insertions, 101 deletions
diff --git a/main/common/reg_cache.c b/main/common/reg_cache.c
index 1c6c794..ec2a3f7 100644
--- a/main/common/reg_cache.c
+++ b/main/common/reg_cache.c
@@ -1,7 +1,7 @@
/**************************************************************************
*
* Copyright (c) 2013 Alcatel-Lucent
- *
+ *
* Alcatel Lucent licenses this file to You under the Apache License,
* Version 2.0 (the "License"); you may not use this file except in
* compliance with the License. A copy of the License is contained the
@@ -20,10 +20,10 @@
*
* reg_cache.c:
*
- * Allow the user to display CPU registers that are locally cached
- * when an exception is hit. These registers are not the currently
- * active registers in the CPU context; rather, a copy of the context at
- * the time of the most recent breakpoint or exception.
+ * Allow the user to display CPU registers that are locally cached
+ * when an exception is hit. These registers are not the currently
+ * active registers in the CPU context; rather, a copy of the context at
+ * the time of the most recent breakpoint or exception.
*
* Original author: Ed Sutter (ed.sutter@alcatel-lucent.com)
*
@@ -43,25 +43,25 @@
* An example table is as follows (taken from FADS-MPC860 target)...
*
* static char *regnames[] = {
- * "R0", "R1", "R2", "R3",
- * "R4", "R5", "R6", "R7",
- * "R8", "R9", "R10", "R11",
- * "R12", "R13", "R14", "R15",
- * "R16", "R17", "R18", "R19",
- * "R20", "R21", "R22", "R23",
- * "R24", "R25", "R26", "R27",
- * "R28", "R29", "R30", "R31",
- * "MSR", "CR", "LR", "XER",
- * "DAR", "DSISR", "SRR0", "SRR1",
- * "CTR", "DEC", "TBL", "TBU",
- * "SPRG0", "SPRG1", "SPRG2", "SPRG3",
+ * "R0", "R1", "R2", "R3",
+ * "R4", "R5", "R6", "R7",
+ * "R8", "R9", "R10", "R11",
+ * "R12", "R13", "R14", "R15",
+ * "R16", "R17", "R18", "R19",
+ * "R20", "R21", "R22", "R23",
+ * "R24", "R25", "R26", "R27",
+ * "R28", "R29", "R30", "R31",
+ * "MSR", "CR", "LR", "XER",
+ * "DAR", "DSISR", "SRR0", "SRR1",
+ * "CTR", "DEC", "TBL", "TBU",
+ * "SPRG0", "SPRG1", "SPRG2", "SPRG3",
* };
*
- * The real definition of this array would be in the file regnames.c in
+ * The real definition of this array would be in the file regnames.c in
* the target-specific directory.
*/
-#define REGTOT (sizeof regnames/sizeof(char *))
+#define REGTOT (sizeof regnames/sizeof(char *))
/* regtbl[]:
* This array is used to store the actual register values. Storage
@@ -73,7 +73,7 @@ ulong regtbl[REGTOT];
void
flushRegtbl(void)
{
- flushDcache((char *)regtbl,sizeof(regtbl));
+ flushDcache((char *)regtbl,sizeof(regtbl));
}
/* regidx():
@@ -84,16 +84,16 @@ flushRegtbl(void)
static int
regidx(char *name)
{
- int i;
-
- strtoupper(name);
- for(i=0;i<REGTOT;i++) {
- if (!strcmp(name,regnames[i])) {
- return(i);
- }
- }
- printf("Bad reg: '%s'\n",name);
- return(-1);
+ int i;
+
+ strtoupper(name);
+ for(i=0; i<REGTOT; i++) {
+ if(!strcmp(name,regnames[i])) {
+ return(i);
+ }
+ }
+ printf("Bad reg: '%s'\n",name);
+ return(-1);
}
/* putreg():
@@ -103,13 +103,14 @@ regidx(char *name)
int
putreg(char *name,ulong value)
{
- int idx;
+ int idx;
+
+ if((idx = regidx(name)) == -1) {
+ return(-1);
+ }
- if ((idx = regidx(name)) == -1)
- return(-1);
-
- regtbl[idx] = value;
- return(0);
+ regtbl[idx] = value;
+ return(0);
}
/* getreg():
@@ -118,13 +119,14 @@ putreg(char *name,ulong value)
int
getreg(char *name,ulong *value)
{
- int idx;
+ int idx;
- if ((idx = regidx(name)) == -1)
- return(-1);
-
- *value = regtbl[idx];
- return(0);
+ if((idx = regidx(name)) == -1) {
+ return(-1);
+ }
+
+ *value = regtbl[idx];
+ return(0);
}
/* showregs():
@@ -135,13 +137,14 @@ getreg(char *name,ulong *value)
void
showregs(void)
{
- int i, j;
-
- for(i=0;i<REGTOT;) {
- for(j=0;((j<4) && (i<REGTOT));j++,i++)
- printf("%6s=0x%08lx ",regnames[i],regtbl[i]);
- printf("\n");
- }
+ int i, j;
+
+ for(i=0; i<REGTOT;) {
+ for(j=0; ((j<4) && (i<REGTOT)); j++,i++) {
+ printf("%6s=0x%08lx ",regnames[i],regtbl[i]);
+ }
+ printf("\n");
+ }
}
/* reginit():
@@ -150,69 +153,69 @@ showregs(void)
void
reginit(void)
{
- int i;
+ int i;
- for(i=0;i<REGTOT;i++)
- regtbl[i] = 0;
+ for(i=0; i<REGTOT; i++) {
+ regtbl[i] = 0;
+ }
}
#if INCLUDE_STRACE
char *RegHelp[] = {
- "Display/modify content of monitor's register cache",
- "-[v:] [regname] [value]",
+ "Display/modify content of monitor's register cache",
+ "-[v:] [regname] [value]",
#if INCLUDE_VERBOSEHELP
- "Options:",
- " -v {var} quietly load 'var' with register content",
+ "Options:",
+ " -v {var} quietly load 'var' with register content",
#endif
- 0,
+ 0,
};
int
Reg(int argc,char *argv[])
{
- ulong reg;
- int opt, i, forscript;
- char *varname, buf[32];
-
- forscript = 0;
- varname = (char *)0;
- while((opt=getopt(argc,argv,"sv:")) != -1) {
- switch(opt) {
- case 's':
- forscript = 1;
- break;
- case 'v':
- varname = optarg;
- break;
- default:
- return(CMD_PARAM_ERROR);
- }
- }
-
- if (argc == optind) {
- if (forscript) {
- for(i=0;i<REGTOT;i++)
- printf("reg %s 0x%lx\n",regnames[i],regtbl[i]);
- }
- else
- showregs();
- return(CMD_SUCCESS);
- }
- else if (argc == optind + 1) {
- if (getreg(argv[optind],&reg) != -1) {
- sprintf(buf,"0x%lx",reg);
- if (varname)
- setenv(varname,buf);
- else
- printf("%s = %s\n",argv[optind],buf);
- }
- }
- else if (argc == optind + 2) {
- putreg(argv[1],strtol(argv[optind+1],(char **)0,0));
- }
- else {
- return(CMD_PARAM_ERROR);
- }
- return(CMD_SUCCESS);
+ ulong reg;
+ int opt, i, forscript;
+ char *varname, buf[32];
+
+ forscript = 0;
+ varname = (char *)0;
+ while((opt=getopt(argc,argv,"sv:")) != -1) {
+ switch(opt) {
+ case 's':
+ forscript = 1;
+ break;
+ case 'v':
+ varname = optarg;
+ break;
+ default:
+ return(CMD_PARAM_ERROR);
+ }
+ }
+
+ if(argc == optind) {
+ if(forscript) {
+ for(i=0; i<REGTOT; i++) {
+ printf("reg %s 0x%lx\n",regnames[i],regtbl[i]);
+ }
+ } else {
+ showregs();
+ }
+ return(CMD_SUCCESS);
+ } else if(argc == optind + 1) {
+ if(getreg(argv[optind],&reg) != -1) {
+ sprintf(buf,"0x%lx",reg);
+ if(varname) {
+ setenv(varname,buf);
+ } else {
+ printf("%s = %s\n",argv[optind],buf);
+ }
+ }
+ } else if(argc == optind + 2) {
+ putreg(argv[1],strtol(argv[optind+1],(char **)0,0));
+ } else {
+ return(CMD_PARAM_ERROR);
+ }
+ return(CMD_SUCCESS);
}
#endif
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