Commit 811d1b0e authored by Yoshinori Sato's avatar Yoshinori Sato

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: default avatarYoshinori Sato <ysato@users.sourceforge.jp>
parent 686320e9
...@@ -13,12 +13,13 @@ ...@@ -13,12 +13,13 @@
static void sim_write(struct console *con, const char *s, unsigned n) 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 char *_ptr __asm__("er1") = s;
register const unsigned _len __asm__("er2") = n; register const unsigned _len __asm__("er2") = n;
__asm__(".byte 0x5e,0x00,0x00,0xc7\n\t" /* jsr @0xc7 (sys_write) */ __asm__("sub.l er0,er0\n\t" /* er0 = 1 (stdout) */
: : "g"(fd), "g"(_ptr), "g"(_len)); "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) static int __init sim_setup(struct earlycon_device *device, const char *opt)
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment