4.11/sparc: GDB 7.7 SIS simulator output patch.

This commit is contained in:
Chris Johns 2014-05-19 12:49:52 +10:00
parent ab131bb2bf
commit 5cdcde1ec2

View File

@ -0,0 +1,342 @@
diff -ur gdb-7.7.orig/sim/erc32/erc32.c gdb-7.7/sim/erc32/erc32.c
--- gdb-7.7.orig/sim/erc32/erc32.c 2014-01-08 20:23:36.000000000 +1100
+++ gdb-7.7/sim/erc32/erc32.c 2014-05-19 10:59:56.000000000 +1000
@@ -22,6 +22,7 @@
/* The control space devices */
#include "config.h"
+#include <errno.h>
#include <sys/types.h>
#include <stdio.h>
#include <string.h>
@@ -40,6 +41,8 @@
extern char uart_dev1[], uart_dev2[];
int dumbio = 0; /* normal, smart, terminal oriented IO by default */
+int tty_setup = 1; /* default setup if not a tty */
+int disable_uartrx = 0; /* default is to poll for received data */
/* MEC registers */
#define MEC_START 0x01f80000
@@ -305,12 +308,16 @@
extern int ext_irl;
+static host_callback *callback;
+
/* One-time init */
void
-init_sim()
+init_sim(host_callback* cb, int nouartrx)
{
+ callback = cb;
+ disable_uartrx = nouartrx;
port_init();
}
@@ -940,10 +947,14 @@
{
if (dumbio)
return; /* do nothing */
- if (!ifd1)
+ if (ifd1 == 0 && f1open) {
tcsetattr(0, TCSANOW, &ioc1);
- if (!ifd2)
+ tcflush(ifd1, TCIFLUSH);
+ }
+ if (ifd2 == 0 && f1open) {
tcsetattr(0, TCSANOW, &ioc2);
+ tcflush(ifd2, TCIFLUSH);
+ }
}
void
@@ -951,16 +962,18 @@
{
if (dumbio)
return; /* do nothing */
- if (!ifd1)
+ if (ifd1 == 0 && f1open && tty_setup)
tcsetattr(0, TCSANOW, &iocold1);
- if (!ifd2)
+ if (ifd2 == 0 && f2open && tty_setup)
tcsetattr(0, TCSANOW, &iocold2);
}
#define DO_STDIO_READ( _fd_, _buf_, _len_ ) \
- ( dumbio \
+ ( dumbio || disable_uartrx \
? (0) /* no bytes read, no delay */ \
- : read( _fd_, _buf_, _len_ ) )
+ : (_fd_) == 1 && callback ? \
+ callback->read_stdin (callback, _buf_, _len_) : \
+ read( _fd_, _buf_, _len_ ) )
static void
@@ -990,21 +1003,26 @@
}
if (f1in) ifd1 = fileno(f1in);
if (ifd1 == 0) {
+ if (callback && !callback->isatty(callback, ifd1)) {
+ tty_setup = 0;
+ }
if (sis_verbose)
printf("serial port A on stdin/stdout\n");
if (!dumbio) {
tcgetattr(ifd1, &ioc1);
+ if (tty_setup) {
iocold1 = ioc1;
ioc1.c_lflag &= ~(ICANON | ECHO);
ioc1.c_cc[VMIN] = 0;
ioc1.c_cc[VTIME] = 0;
}
+ }
f1open = 1;
}
if (f1out) {
ofd1 = fileno(f1out);
- if (!dumbio && ofd1 == 1) setbuf(f1out, NULL);
+ if (!dumbio && tty_setup && ofd1 == 1) setbuf(f1out, NULL);
}
if (uart_dev2[0] != 0)
@@ -1023,17 +1041,19 @@
printf("serial port B on stdin/stdout\n");
if (!dumbio) {
tcgetattr(ifd2, &ioc2);
+ if (tty_setup) {
iocold2 = ioc2;
ioc2.c_lflag &= ~(ICANON | ECHO);
ioc2.c_cc[VMIN] = 0;
ioc2.c_cc[VTIME] = 0;
}
+ }
f2open = 1;
}
if (f2out) {
ofd2 = fileno(f2out);
- if (!dumbio && ofd2 == 1) setbuf(f2out, NULL);
+ if (!dumbio && tty_setup && ofd2 == 1) setbuf(f2out, NULL);
}
wnuma = wnumb = 0;
@@ -1062,6 +1082,9 @@
if (f1open) {
anum = DO_STDIO_READ(ifd1, aq, UARTBUF);
}
+ else {
+ anum = 0;
+ }
if (anum > 0) {
aind = 0;
if ((aind + 1) < anum)
@@ -1094,6 +1117,9 @@
if (f2open) {
bnum = DO_STDIO_READ(ifd2, bq, UARTBUF);
}
+ else {
+ bnum = 0;
+ }
if (bnum > 0) {
bind = 0;
if ((bind + 1) < bnum)
@@ -1126,6 +1152,9 @@
if (f1open) {
anum = DO_STDIO_READ(ifd1, aq, UARTBUF);
}
+ else {
+ anum = 0;
+ }
if (anum > 0) {
Ucontrol |= 0x00000001;
aind = 0;
@@ -1138,6 +1167,9 @@
if (f2open) {
bnum = DO_STDIO_READ(ifd2, bq, UARTBUF);
}
+ else {
+ bnum = 0;
+ }
if (bnum > 0) {
Ucontrol |= 0x00010000;
bind = 0;
@@ -1178,8 +1210,12 @@
if (wnuma < UARTBUF)
wbufa[wnuma++] = c;
else {
- while (wnuma)
+ while (wnuma) {
+ if (ofd1 == 1 && callback)
+ wnuma -= callback->write_stdout(callback, wbufa, wnuma);
+ else
wnuma -= fwrite(wbufa, 1, wnuma, f1out);
+ }
wbufa[wnuma++] = c;
}
}
@@ -1202,8 +1238,12 @@
if (wnumb < UARTBUF)
wbufb[wnumb++] = c;
else {
- while (wnumb)
+ while (wnumb) {
+ if (ofd1 == 1 && callback)
+ wnumb -= callback->write_stdout(callback, wbufb, wnumb);
+ else
wnumb -= fwrite(wbufb, 1, wnumb, f2out);
+ }
wbufb[wnumb++] = c;
}
}
@@ -1241,19 +1281,37 @@
static void
flush_uart()
{
- while (wnuma && f1open)
+ while (wnuma && f1open) {
+ if (ofd1 == 1 && callback) {
+ wnuma -= callback->write_stdout(callback, wbufa, wnuma);
+ callback->flush_stdout(callback);
+ }
+ else
wnuma -= fwrite(wbufa, 1, wnuma, f1out);
- while (wnumb && f2open)
+ }
+ while (wnumb && f2open) {
+ if (ofd2 == 1 && callback) {
+ wnuma -= callback->write_stdout(callback, wbufb, wnuma);
+ callback->flush_stdout(callback);
+ }
+ else
wnumb -= fwrite(wbufb, 1, wnumb, f2out);
}
+}
static void
uarta_tx()
{
-
- while (f1open && fwrite(&uarta_sreg, 1, 1, f1out) != 1);
+ while (f1open) {
+ if (ofd1 == 1 && callback) {
+ while (callback->write_stdout(callback, &uarta_sreg, 1) != 1);
+ }
+ else {
+ while (fwrite(&uarta_sreg, 1, 1, f1out) != 1);
+ }
+ }
if (uart_stat_reg & UARTA_HRE) {
uart_stat_reg |= UARTA_SRE;
} else {
@@ -1267,7 +1325,14 @@
static void
uartb_tx()
{
- while (f2open && fwrite(&uartb_sreg, 1, 1, f2out) != 1);
+ while (f2open) {
+ if (ofd2 == 1 && callback) {
+ while (callback->write_stdout(callback, &uarta_sreg, 1) != 1);
+ }
+ else {
+ while (fwrite(&uartb_sreg, 1, 1, f2out) != 1);
+ }
+ }
if (uart_stat_reg & UARTB_HRE) {
uart_stat_reg |= UARTB_SRE;
} else {
@@ -1289,6 +1354,8 @@
rsize = 0;
if (f1open)
rsize = DO_STDIO_READ(ifd1, &rxd, 1);
+ else
+ rsize = 0;
if (rsize > 0) {
uarta_data = UART_DR | rxd;
if (uart_stat_reg & UARTA_HRE)
@@ -1305,6 +1372,8 @@
rsize = 0;
if (f2open)
rsize = DO_STDIO_READ(ifd2, &rxd, 1);
+ else
+ rsize = 0;
if (rsize) {
uartb_data = UART_DR | rxd;
if (uart_stat_reg & UARTB_HRE)
diff -ur gdb-7.7.orig/sim/erc32/interf.c gdb-7.7/sim/erc32/interf.c
--- gdb-7.7.orig/sim/erc32/interf.c 2013-12-08 15:55:48.000000000 +1100
+++ gdb-7.7/sim/erc32/interf.c 2014-05-19 10:59:56.000000000 +1000
@@ -185,6 +185,7 @@
int argc = 0;
int stat = 1;
int freq = 0;
+ int nouartrx = 0;
sim_callback = callback;
@@ -210,6 +211,9 @@
if (strcmp(argv[stat], "-dumbio") == 0) {
dumbio = 1;
} else
+ if (strcmp(argv[stat], "-nouartrx") == 0) {
+ nouartrx = 1;
+ } else
if (strcmp(argv[stat], "-wrp") == 0) {
wrp = 1;
} else
@@ -268,7 +272,7 @@
dinfo.endian = BFD_ENDIAN_BIG;
reset_all();
ebase.simtime = 0;
- init_sim();
+ init_sim(callback, nouartrx);
init_bpt(&sregs);
reset_stat(&sregs);
diff -ur gdb-7.7.orig/sim/erc32/sis.c gdb-7.7/sim/erc32/sis.c
--- gdb-7.7.orig/sim/erc32/sis.c 2014-01-08 20:23:36.000000000 +1100
+++ gdb-7.7/sim/erc32/sis.c 2014-05-19 10:59:56.000000000 +1000
@@ -166,6 +166,7 @@
int cont = 1;
int stat = 1;
int freq = 14;
+ int nouartrx = 0;
int copt = 0;
char *cfile, *bacmd;
@@ -214,6 +215,8 @@
#endif
} else if (strcmp(argv[stat], "-dumbio") == 0) {
dumbio = 1;
+ } else if (strcmp(argv[stat], "-nouartrx") == 0) {
+ nouartrx = 1;
} else {
printf("unknown option %s\n", argv[stat]);
usage();
@@ -241,7 +244,7 @@
ebase.simtime = 0;
reset_all();
init_bpt(&sregs);
- init_sim();
+ init_sim(NULL, nouartrx);
#ifdef STAT
reset_stat(&sregs);
#endif
diff -ur gdb-7.7.orig/sim/erc32/sis.h gdb-7.7/sim/erc32/sis.h
--- gdb-7.7.orig/sim/erc32/sis.h 2014-01-08 20:23:36.000000000 +1100
+++ gdb-7.7/sim/erc32/sis.h 2014-05-19 12:36:36.000000000 +1000
@@ -159,7 +159,7 @@
/* Prototypes */
/* erc32.c */
-extern void init_sim (void);
+extern void init_sim (host_callback* sb, int nouartrx);
extern void reset (void);
extern void error_mode (uint32 pc);
extern void sim_halt (void);