diff options
| author | Yoshinori Sato <ysato@users.sourceforge.jp> | 2018-07-13 16:36:21 +0900 |
|---|---|---|
| committer | Yoshinori Sato <ysato@users.sourceforge.jp> | 2018-08-22 19:14:18 +0900 |
| commit | 811d1b0e65bed442050d62a48c39263f4c5b2d68 (patch) | |
| tree | 0db9d58898a1be94c21beadf221694b89c0ff407 /arch/h8300 | |
| parent | 686320e94da368f5efc2003ba5de9353cf774602 (diff) | |
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.c | 7 |
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) |