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

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

arch/h8300/kernel/sim-console.c

+4 −3
Original line number Diff line number Diff line
@@ -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)