diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/syscall.S | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/examples/syscall.S b/examples/syscall.S new file mode 100644 index 00000000000..9e8725edcd0 --- /dev/null +++ b/examples/syscall.S @@ -0,0 +1,64 @@ +#include <ppc_asm.tmpl> +#include <ppc_defs.h> +#include <syscall.h> + +#ifdef CONFIG_ARM /* XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX */ +#warning ARM version not implemented yet /* XXXXXXXXXXXXXXXXXXXXXXXXXXXX */ + .global mon_getc + .type mon_getc,function +mon_getc: + .global mon_tstc + .type mon_tstc,function +mon_tstc: + .global mon_putc + .type mon_putc,function +mon_putc: + .global mon_puts + .type mon_puts,function +mon_puts: + .global mon_printf + .type mon_printf,function +mon_printf: + .global mon_install_hdlr + .type mon_install_hdlr,function +mon_install_hdlr: + .global mon_free_hdlr + .type mon_free_hdlr,function +mon_free_hdlr: + .global mon_malloc + .type mon_malloc,function +mon_malloc: + .global mon_free + .type mon_free,function +mon_free: + @ args = 0, pretend = 0, frame = 0 + @ frame_needed = 1, current_function_anonymous_args = 0 + mov ip, sp + stmfd sp!, {fp, ip, lr, pc} + sub fp, ip, #4 + ldmea fp, {fp, sp, pc} +#else /* XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX */ +#define SYSCALL(name,n) \ + .globl name ; \ +name: ; \ + li r0,n ; \ + sc ; \ + blr + + .text + + /* + * Make sure these functions are in the same order as they + * appear in the "include/syscall.h" header file !!! + */ + + SYSCALL(mon_getc,SYSCALL_GETC) + SYSCALL(mon_tstc,SYSCALL_TSTC) + SYSCALL(mon_putc,SYSCALL_PUTC) + SYSCALL(mon_puts,SYSCALL_PUTS) + SYSCALL(mon_printf,SYSCALL_PRINTF) + SYSCALL(mon_install_hdlr,SYSCALL_INSTALL_HDLR) + SYSCALL(mon_free_hdlr,SYSCALL_FREE_HDLR) + SYSCALL(mon_malloc,SYSCALL_MALLOC) + SYSCALL(mon_free,SYSCALL_FREE) +#endif /* CONFIG_ARM XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX */ |