diff options
| author | PikalaxALT <pikalaxalt@gmail.com> | 2017-12-15 09:38:53 -0500 |
|---|---|---|
| committer | PikalaxALT <pikalaxalt@gmail.com> | 2017-12-15 09:39:34 -0500 |
| commit | f95a4a932476be2ba99e2fd081e8d2bc6ea12813 (patch) | |
| tree | 75f67192cb2d7b7b575c94edda318e475239b63c /newlib/libc/sys/sysnec810/crt0.s | |
| parent | f60aca96985e68c7d8a52eb7bc955fb80e132f73 (diff) | |
Import newlib and create makefile
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 0000000..3c7a382 --- /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 + |