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Wait for user input to continue (as opposed to 5 sec delay).

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Can be skipped using -y.


git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@2663 7894878c-1315-0410-8ee3-d5d059ff63e0
This commit is contained in:
Jean Delvare committed 2004-08-16 18:55:39 +00:00
1 parent ed81aef459
commit 89deecca35
4 files changed
+134 -69
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prog/dump/isadump.8
+15 -2
View File
@@ -1,15 +1,17 @@
.TH ISADUMP 8 "July 2004"
.TH ISADUMP 8 "August 2004"
.SH NAME
isadump \- examine ISA registers
.SH SYNOPSIS
.B isadump
.RB [ -y ]
.I addrreg
.I datareg
.RI [ "bank " [ bankreg ]]
#for I2C-like access
.br
.B isadump
.RB [ -y ]
.BI "-f " address
.RI [ "range " [ "bank " [ bankreg ]]]
#for flat address space
@@ -20,6 +22,17 @@ bus. It is intended to probe any chip that lives on the ISA bus working with an
address register and a data register (I2C-like access) or a flat range (of up
to 256 bytes).
.SH OPTIONS
.TP
.B -f
Enable flat address space mode.
.TP
.B -y
Disable interactive mode. By default, isadump will wait for a confirmation
from the user before messing with the ISA bus. When this flag is used, it
will perform the operation directly. This is mainly meant to be used in
scripts.
.SH OPTIONS (I2C-like access mode)
At least two options must be provided to isadump. \fIaddrreg\fR contains the
ISA address of the address register for the chip to probe; \fIdatareg\fR
@@ -39,7 +52,7 @@ for Super-I/O chips). The W83781D datasheet has more information on bank
selection.
.SH OPTIONS (flat address space mode)
In flat mode (triggered by the \fB-f\fR flag), only one parameter is
In flat mode, only one parameter is
mandatory. \fIaddress\fR contains the ISA address of the chip to probe;
it is an integer between 0x0000 and 0xFFFF.
If provided, \fIrange\fR is how many bytes should be read (must be a
prog/dump/isadump.c
+54 -30
View File
@@ -59,9 +59,9 @@ void help(void)
{
fprintf(stderr,
"Syntax for I2C-like access:\n"
" isadump ADDRREG DATAREG [BANK [BANKREG]]\n"
" isadump [-y] ADDRREG DATAREG [BANK [BANKREG]]\n"
"Syntax for flat address space:\n"
" isadump -f ADDRESS [RANGE [BANK [BANKREG]]]\n");
" isadump [-y] -f ADDRESS [RANGE [BANK [BANKREG]]]\n");
}
int default_bankreg(int flat, int addrreg, int datareg)
@@ -104,19 +104,32 @@ int main(int argc, char *argv[])
int bankreg;
int oldbank = 0;
int i, j, res;
int flat = 0;
int flags = 0;
int flat = 0, yes = 0;
char *end;
if (argc < 3) {
/* handle (optional) flags first */
while (1+flags < argc && argv[1+flags][0] == '-') {
switch (argv[1+flags][1]) {
case 'f': flat = 1; break;
case 'y': yes = 1; break;
default:
fprintf(stderr, "Warning: Unsupported flag "
"\"-%c\"!\n", argv[1+flags][1]);
help();
exit(1);
}
flags++;
}
/* verify that the argument count is correct */
if ((!flat && argc < 1+flags+2)
|| (flat && argc < 1+flags+1)) {
help();
exit(1);
}
if (!strcmp(argv[1], "-f")) {
flat = 1;
}
addrreg = strtol(argv[1+flat], &end, 0);
addrreg = strtol(argv[1+flags], &end, 0);
if (*end) {
fprintf(stderr, "Error: Invalid address!\n");
help();
@@ -130,8 +143,8 @@ int main(int argc, char *argv[])
}
if (flat) {
if (argc > 3) {
range = strtol(argv[3], &end, 0);
if (1+flags+1 < argc) {
range = strtol(argv[1+flags+1], &end, 0);
if (*end || range <= 0 || range > 0x100
|| range & 0xf) {
fprintf(stderr, "Error: Invalid range!\n"
@@ -144,7 +157,7 @@ int main(int argc, char *argv[])
addrreg &= 0xff00; /* Force alignment */
}
} else {
datareg = strtol(argv[2], &end, 0);
datareg = strtol(argv[1+flags+1], &end, 0);
if (*end) {
fprintf(stderr, "Error: Invalid data register!\n");
help();
@@ -160,8 +173,8 @@ int main(int argc, char *argv[])
bankreg = default_bankreg(flat, addrreg, datareg);
if (argc > 3+flat) {
bank = strtol(argv[3+flat], &end, 0);
if (1+flags+2 < argc) {
bank = strtol(argv[1+flags+2], &end, 0);
if (*end) {
fprintf(stderr, "Error: Invalid bank number!\n");
help();
@@ -173,8 +186,8 @@ int main(int argc, char *argv[])
exit(1);
}
if (argc > 4+flat) {
bankreg = strtol(argv[4+flat], &end, 0);
if (1+flags+3 < argc) {
bankreg = strtol(argv[1+flags+3], &end, 0);
if (*end) {
fprintf(stderr, "Error: Invalid bank "
"register!\n");
@@ -196,20 +209,31 @@ int main(int argc, char *argv[])
exit(1);
}
fprintf(stderr, "WARNING! Running this program can cause system "
"crashes, data loss and worse!\n");
if (flat)
fprintf(stderr, "I will probe address range 0x%04x to "
"0x%04x.\n", addrreg, addrreg + range - 1);
else
fprintf(stderr, "I will probe address register 0x%04x and "
"data register 0x%04x.\n", addrreg, datareg);
if (bank>=0)
fprintf(stderr, "Probing bank %d using bank register "
"0x%02x.\n", bank, bankreg);
fprintf(stderr, "You have five seconds to reconsider and press "
"CTRL-C!\n\n");
sleep(5);
if (!yes) {
char s[2];
fprintf(stderr, "WARNING! Running this program can cause "
"system crashes, data loss and worse!\n");
if (flat)
fprintf(stderr, "I will probe address range 0x%x to "
"0x%x.\n", addrreg, addrreg + range - 1);
else
fprintf(stderr, "I will probe address register 0x%x "
"and data register 0x%x.\n", addrreg, datareg);
if (bank>=0)
fprintf(stderr, "Probing bank %d using bank register "
"0x%02x.\n", bank, bankreg);
fprintf(stderr, "Continue? [Y/n] ");
fflush(stderr);
fgets(s, 2, stdin);
if (s[0] != '\n' && s[0] != 'y' && s[0] != 'Y') {
fprintf(stderr, "Aborting on user request.\n");
exit(0);
}
}
#ifndef __powerpc__
if ((datareg < 0x400) && (addrreg < 0x400) && !flat) {
prog/dump/isaset.8
+15 -2
View File
@@ -1,9 +1,10 @@
.TH ISASET 8 "July 2004"
.TH ISASET 8 "August 2004"
.SH "NAME"
i2cset \- set ISA registers
.SH SYNOPSIS
.B isaset
.RB [ -y ]
.I addrreg
.I datareg
.I address
@@ -11,6 +12,7 @@ i2cset \- set ISA registers
#for I2C-like access
.br
.B isaset
.RB [ -y ]
.BI "-f " address
.I value
#for flat address space
@@ -19,6 +21,17 @@ i2cset \- set ISA registers
isaset is a small helper program to set registers visible through the ISA
bus.
.SH OPTIONS
.TP
.B -f
Enable flat address space mode.
.TP
.B -y
Disable interactive mode. By default, isaset will wait for a confirmation
from the user before messing with the ISA bus. When this flag is used, it
will perform the operation directly. This is mainly meant to be used in
scripts.
.SH OPTIONS (I2C-like access mode)
Exactly four options must be provided to isaset. \fIaddrreg\fR contains the
ISA address of the address register for the chip to probe; \fIdatareg\fR
@@ -33,7 +46,7 @@ The \fIaddress\fR and \fIvalue\fR parameters are two integers between
0x00 and 0xFF. isaset will write value \fIvalue\fR to address \fIaddress\fR.
.SH OPTIONS (flat address space mode)
In flat mode (triggered by the \fB-f\fR flag), exactly two parameters must
In flat mode, exactly two parameters must
be provided. \fIaddress\fR contains the ISA address of the register to
write to; it is an integer between 0x0000 and 0xFFFF. Basically, it is
the sum of the chip's base address and the chip register's address. isaset
prog/dump/isaset.c
+50 -35
View File
@@ -46,33 +46,41 @@ void help(void)
{
fprintf(stderr,
"Syntax for I2C-like access:\n"
" isaset ADDRREG DATAREG ADDRESS VALUE\n"
" isaset [-y] ADDRREG DATAREG ADDRESS VALUE\n"
"Syntax for flat address space:\n"
" isaset -f ADDRESS VALUE\n");
" isaset [-y] -f ADDRESS VALUE\n");
}
int main(int argc, char *argv[])
{
int addrreg, datareg = 0, value, addr = 0;
unsigned char res;
int flat = 0;
int flags = 0;
int flat = 0, yes = 0;
char *end;
if (argc < 4) {
/* handle (optional) flags first */
while (1+flags < argc && argv[1+flags][0] == '-') {
switch (argv[1+flags][1]) {
case 'f': flat = 1; break;
case 'y': yes = 1; break;
default:
fprintf(stderr, "Warning: Unsupported flag "
"\"-%c\"!\n", argv[1+flags][1]);
help();
exit(1);
}
flags++;
}
/* verify that the argument count is correct */
if ((!flat && argc != 1+flags+4)
|| (flat && argc != 1+flags+2)) {
help();
exit(1);
}
if (!strcmp(argv[1], "-f")) {
flat = 1;
}
if (argc != 5-flat) {
help();
exit(1);
}
addrreg = strtol(argv[1+flat], &end, 0);
addrreg = strtol(argv[1+flags], &end, 0);
if (*end) {
fprintf(stderr, "Error: Invalid address!\n");
help();
@@ -87,7 +95,7 @@ int main(int argc, char *argv[])
}
if (!flat) {
datareg = strtol(argv[2], &end, 0);
datareg = strtol(argv[1+flags+1], &end, 0);
if (*end) {
fprintf(stderr, "Error: Invalid data register!\n");
help();
@@ -100,7 +108,7 @@ int main(int argc, char *argv[])
exit(1);
}
addr = strtol(argv[3], &end, 0);
addr = strtol(argv[1+flags+2], &end, 0);
if (*end) {
fprintf(stderr, "Error: Invalid address!\n");
help();
@@ -114,7 +122,7 @@ int main(int argc, char *argv[])
}
}
value = strtol(argv[4-flat], &end, 0);
value = strtol(argv[flat?1+flags+1:1+flags+3], &end, 0);
if (*end) {
fprintf(stderr, "Error: Invalid value!\n");
help();
@@ -133,19 +141,29 @@ int main(int argc, char *argv[])
exit(1);
}
fprintf(stderr, "WARNING! Running this program can cause "
"system crashes, data loss and worse!\n");
if (flat)
fprintf(stderr, "I will write value 0x%02x to address "
"0x%04x\n", value, addrreg);
else
fprintf(stderr, "I will write value 0x%02x to address "
"0x%02x of chip with address register 0x%04x\n"
"and data register 0x%04x.\n",
value, addr, addrreg, datareg);
fprintf(stderr, "You have five seconds to reconsider and press "
"CTRL-C!\n\n");
sleep(5);
if (!yes) {
char s[2];
fprintf(stderr, "WARNING! Running this program can cause "
"system crashes, data loss and worse!\n");
if (flat)
fprintf(stderr, "I will write value 0x%02x to address "
"0x%x.\n", value, addrreg);
else
fprintf(stderr, "I will write value 0x%02x to address "
"0x%02x of chip with address register 0x%x\n"
"and data register 0x%x.\n",
value, addr, addrreg, datareg);
fprintf(stderr, "Continue? [Y/n] ");
fflush(stderr);
fgets(s, 2, stdin);
if (s[0] != '\n' && s[0] != 'y' && s[0] != 'Y') {
fprintf(stderr, "Aborting on user request.\n");
exit(0);
}
}
#ifndef __powerpc__
if (!flat && datareg < 0x400 && addrreg < 0x400) {
@@ -184,11 +202,8 @@ int main(int argc, char *argv[])
}
if (res != value) {
fprintf(stderr, "Warning: Data mismatch, wrote 0x%02x, "
"read back 0x%02x\n", value, res);
} else {
fprintf(stderr, "Value 0x%02x written, readback matched\n",
value);
fprintf(stderr, "Data mismatch, wrote 0x%02x, "
"read 0x%02x back.\n", value, res);
}
exit(0);