diff options
Diffstat (limited to 'newlib/libc/sys/sysnec810/crt0.S')
| -rw-r--r-- | newlib/libc/sys/sysnec810/crt0.S | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/newlib/libc/sys/sysnec810/crt0.S b/newlib/libc/sys/sysnec810/crt0.S new file mode 100644 index 000000000..3c7a382ff --- /dev/null +++ b/newlib/libc/sys/sysnec810/crt0.S @@ -0,0 +1,22 @@ + .set STACKTOP, 0x100000 + + .extern __tp_TEXT, 4 + .extern __gp_DATA, 4 + .extern _main + .globl __start + .globl _exit + .globl __exit + + .text +__start: + mov 2, r10 -- set Cache Control Word + ldsr r10, 24 -- +# + mov STACKTOP, sp -- set stack pointer + mov #__tp_TEXT, tp -- set tp register + mov #__gp_DATA, gp -- set gp register offset + add tp, gp -- set gp register + jal _main -- call main function +__exit: + halt -- end of the program + |