FreeCalypso > hg > freecalypso-sw
diff target-utils/libcommon/cmd_jump.c @ 26:1a3bbab2ea26
loadagent: jump command implemented
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Sat, 04 May 2013 05:38:58 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/target-utils/libcommon/cmd_jump.c Sat May 04 05:38:58 2013 +0000 @@ -0,0 +1,24 @@ +/* + * jump hexaddr -- transfer control with BX + */ + +#include <sys/types.h> +#include "types.h" + +void +cmd_jump(argbulk) + char *argbulk; +{ + char *argv[2]; + u_long addr; + + if (parse_args(argbulk, 1, 1, argv, 0) < 0) + return; + if (parse_hexarg(argv[0], 8, &addr) < 0) { + printf("ERROR: argument must be a valid 32-bit hex address\n"); + return; + } + serial_flush(); + asm volatile ("bx %0" : : "r" (addr)); + __builtin_unreachable(); +}