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-rw-r--r--arch/xtensa/platforms/iss/console.c9
-rw-r--r--arch/xtensa/platforms/iss/include/platform/simcall.h9
-rw-r--r--arch/xtensa/platforms/iss/setup.c10
3 files changed, 14 insertions, 14 deletions
diff --git a/arch/xtensa/platforms/iss/console.c b/arch/xtensa/platforms/iss/console.c
index 8ab47ed..7e74895 100644
--- a/arch/xtensa/platforms/iss/console.c
+++ b/arch/xtensa/platforms/iss/console.c
@@ -91,7 +91,7 @@ static int rs_write(struct tty_struct * tty,
{
/* see drivers/char/serialX.c to reference original version */
- __simc (SYS_write, 1, (unsigned long)buf, count, 0, 0);
+ simc_write(1, buf, count);
return count;
}
@@ -122,12 +122,7 @@ static void rs_poll(unsigned long priv)
static int rs_put_char(struct tty_struct *tty, unsigned char ch)
{
- char buf[2];
-
- buf[0] = ch;
- buf[1] = '\0'; /* Is this NULL necessary? */
- __simc (SYS_write, 1, (unsigned long) buf, 1, 0, 0);
- return 1;
+ return rs_write(tty, &ch, 1);
}
static void rs_flush_chars(struct tty_struct *tty)
diff --git a/arch/xtensa/platforms/iss/include/platform/simcall.h b/arch/xtensa/platforms/iss/include/platform/simcall.h
index 8c43bfea..bd78192 100644
--- a/arch/xtensa/platforms/iss/include/platform/simcall.h
+++ b/arch/xtensa/platforms/iss/include/platform/simcall.h
@@ -78,8 +78,9 @@ static inline int __simc(int a, int b, int c, int d, int e, int f)
return ret;
}
-static inline int simc_open(char *file, int flags, int mode)
+static inline int simc_open(const char *file, int flags, int mode)
{
+ wmb();
return __simc(SYS_open, (int) file, flags, mode, 0, 0);
}
@@ -90,16 +91,19 @@ static inline int simc_close(int fd)
static inline int simc_ioctl(int fd, int request, void *arg)
{
+ wmb();
return __simc(SYS_ioctl, fd, request, (int) arg, 0, 0);
}
static inline int simc_read(int fd, void *buf, size_t count)
{
+ rmb();
return __simc(SYS_read, fd, (int) buf, count, 0, 0);
}
-static inline int simc_write(int fd, void *buf, size_t count)
+static inline int simc_write(int fd, const void *buf, size_t count)
{
+ wmb();
return __simc(SYS_write, fd, (int) buf, count, 0, 0);
}
@@ -107,6 +111,7 @@ static inline int simc_poll(int fd)
{
struct timeval tv = { .tv_sec = 0, .tv_usec = 0 };
+ wmb();
return __simc(SYS_select_one, fd, XTISS_SELECT_ONE_READ, (int)&tv,
0, 0);
}
diff --git a/arch/xtensa/platforms/iss/setup.c b/arch/xtensa/platforms/iss/setup.c
index 927acf3..e170010 100644
--- a/arch/xtensa/platforms/iss/setup.c
+++ b/arch/xtensa/platforms/iss/setup.c
@@ -61,13 +61,13 @@ void platform_restart(void)
* jump to the reset vector. */
__asm__ __volatile__("movi a2, 15\n\t"
- "wsr a2, " __stringify(ICOUNTLEVEL) "\n\t"
+ "wsr a2, icountlevel\n\t"
"movi a2, 0\n\t"
- "wsr a2, " __stringify(ICOUNT) "\n\t"
- "wsr a2, " __stringify(IBREAKENABLE) "\n\t"
- "wsr a2, " __stringify(LCOUNT) "\n\t"
+ "wsr a2, icount\n\t"
+ "wsr a2, ibreakenable\n\t"
+ "wsr a2, lcount\n\t"
"movi a2, 0x1f\n\t"
- "wsr a2, " __stringify(PS) "\n\t"
+ "wsr a2, ps\n\t"
"isync\n\t"
"jx %0\n\t"
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