From 811d1b0e65bed442050d62a48c39263f4c5b2d68 Mon Sep 17 00:00:00 2001 From: Yoshinori Sato Date: Fri, 13 Jul 2018 16:36:21 +0900 Subject: 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 --- arch/h8300/kernel/sim-console.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'arch') 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) -- cgit v1.2.3