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authorYoshinori Sato <ysato@users.sourceforge.jp>2018-07-13 16:36:21 +0900
committerYoshinori Sato <ysato@users.sourceforge.jp>2018-08-22 19:14:18 +0900
commit811d1b0e65bed442050d62a48c39263f4c5b2d68 (patch)
tree0db9d58898a1be94c21beadf221694b89c0ff407 /arch/h8300
parent686320e94da368f5efc2003ba5de9353cf774602 (diff)
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h8300: gcc-8.1 fix
Since gcc 8.1 does not generate an assignment statement to er 0, we had to explicitly write it. Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Diffstat (limited to 'arch/h8300')
-rw-r--r--arch/h8300/kernel/sim-console.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/h8300/kernel/sim-console.c b/arch/h8300/kernel/sim-console.c
index 46138f55a9ea..03aa35b1a08c 100644
--- a/arch/h8300/kernel/sim-console.c
+++ b/arch/h8300/kernel/sim-console.c
@@ -13,12 +13,13 @@
static void sim_write(struct console *con, const char *s, unsigned n)
{
- register const int fd __asm__("er0") = 1; /* stdout */
register const char *_ptr __asm__("er1") = s;
register const unsigned _len __asm__("er2") = n;
- __asm__(".byte 0x5e,0x00,0x00,0xc7\n\t" /* jsr @0xc7 (sys_write) */
- : : "g"(fd), "g"(_ptr), "g"(_len));
+ __asm__("sub.l er0,er0\n\t" /* er0 = 1 (stdout) */
+ "inc.l #1,er0\n\t"
+ ".byte 0x5e,0x00,0x00,0xc7\n\t" /* jsr @0xc7 (sys_write) */
+ : : "g"(_ptr), "g"(_len):"er0");
}
static int __init sim_setup(struct earlycon_device *device, const char *opt)