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util/nvmutil: move cmd swap to own function

fsdg20230625
Leah Rowe 2022-11-26 23:34:13 +00:00
parent c2ed251ca6
commit ddf3b76c83
1 changed files with 19 additions and 11 deletions
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30
util/nvmutil/nvmutil.c
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@ -43,6 +43,7 @@ void showmac(int partnum);
void hexdump(int partnum); void hexdump(int partnum);
void cmd_setchecksum(void); void cmd_setchecksum(void);
void cmd_brick(void); void cmd_brick(void);
void cmd_swap(void);
int validChecksum(int partnum); int validChecksum(int partnum);
uint16_t word(int pos16, int partnum); uint16_t word(int pos16, int partnum);
void setWord(int pos16, int partnum, uint16_t val); void setWord(int pos16, int partnum, uint16_t val);
@ -238,8 +239,6 @@ invalid_mac_address:
void void
cmd(const char *command) cmd(const char *command)
{ {
int part0, part1;
if (strcmp(command, "dump") == 0) { if (strcmp(command, "dump") == 0) {
cmd_dump(); cmd_dump();
} else if (strcmp(command, "setchecksum") == 0) { } else if (strcmp(command, "setchecksum") == 0) {
@ -247,15 +246,7 @@ cmd(const char *command)
} else if (strcmp(command, "brick") == 0) { } else if (strcmp(command, "brick") == 0) {
cmd_brick(); cmd_brick();
} else if (strcmp(command, "swap") == 0) { } else if (strcmp(command, "swap") == 0) {
part0 = validChecksum(0); cmd_swap();
part1 = validChecksum(1);
if ((gbeFileModified = (part0 | part1))) {
for(part0 = 0; part0 < SIZE_4KB; part0++) {
gbe[part0] ^= gbe[part1 = (part0 | SIZE_4KB)];
gbe[part1] ^= gbe[part0];
gbe[part0] ^= gbe[part1];
}
}
} else if (strcmp(command, "copy") == 0) { } else if (strcmp(command, "copy") == 0) {
if (validChecksum(part)) if (validChecksum(part))
memcpy(gbe + ((part ^ (gbeFileModified = 1)) << 12), memcpy(gbe + ((part ^ (gbeFileModified = 1)) << 12),
@ -339,6 +330,23 @@ cmd_brick(void)
setWord(0x3F, part, (word(0x3F, part)) ^ 0xFF); setWord(0x3F, part, (word(0x3F, part)) ^ 0xFF);
} }
void
cmd_swap(void)
{
int part0, part1;
part0 = validChecksum(0);
part1 = validChecksum(1);
if ((gbeFileModified = (part0 | part1))) {
for(part0 = 0; part0 < SIZE_4KB; part0++) {
gbe[part0] ^= gbe[part1 = (part0 | SIZE_4KB)];
gbe[part1] ^= gbe[part0];
gbe[part0] ^= gbe[part1];
}
}
}
int int
validChecksum(int partnum) validChecksum(int partnum)
{ {