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| author | Eric Norum <WENorum@lbl.gov> | 2005-02-12 22:20:28 +0000 |
|---|---|---|
| committer | Eric Norum <WENorum@lbl.gov> | 2005-02-12 22:20:28 +0000 |
| commit | 8af3643abf10a6afa9f7137ec3cc547da4eb905b (patch) | |
| tree | 78d99c01d420e2ff9e94927adfc1717c49a5bc31 /c/src/lib/libbsp/m68k | |
| parent | 2005-02-12 Joel Sherrill <joel@OARcorp.com> (diff) | |
| download | rtems-8af3643abf10a6afa9f7137ec3cc547da4eb905b.tar.bz2 | |
Add some more system calls.
Improve in-line assembly.
Diffstat (limited to 'c/src/lib/libbsp/m68k')
| -rw-r--r-- | c/src/lib/libbsp/m68k/uC5282/include/bsp.h | 2 | ||||
| -rw-r--r-- | c/src/lib/libbsp/m68k/uC5282/startup/bspstart.c | 39 |
2 files changed, 32 insertions, 9 deletions
diff --git a/c/src/lib/libbsp/m68k/uC5282/include/bsp.h b/c/src/lib/libbsp/m68k/uC5282/include/bsp.h index 1720bea590..9297aad756 100644 --- a/c/src/lib/libbsp/m68k/uC5282/include/bsp.h +++ b/c/src/lib/libbsp/m68k/uC5282/include/bsp.h @@ -83,6 +83,8 @@ int bsp_reset(int flags); int bsp_program(bsp_mnode_t *chain, int flags); unsigned const char *bsp_gethwaddr(int a); const char *bsp_getbenv(const char *a); +int bsp_flash_erase_range(volatile unsigned short *flashptr, int start, int end); +int bsp_flash_write_range(volatile unsigned short *flashptr, bsp_mnode_t *chain, int offset); void bsp_cleanup(void); diff --git a/c/src/lib/libbsp/m68k/uC5282/startup/bspstart.c b/c/src/lib/libbsp/m68k/uC5282/startup/bspstart.c index a8af52f63a..62ea8c96d1 100644 --- a/c/src/lib/libbsp/m68k/uC5282/startup/bspstart.c +++ b/c/src/lib/libbsp/m68k/uC5282/startup/bspstart.c @@ -277,7 +277,7 @@ do { \ return (type)(ret); \ } while (0) #define syscall_1(type,name,d1type,d1) \ -type bsp_##name(d1type d1) \ +type bsp_##name(d1type d1) \ { \ long ret; \ register long __d1 __asm__ ("%d1") = (long)d1; \ @@ -285,12 +285,12 @@ type bsp_##name(d1type d1) \ "trap #2\n\t" \ "move.l %%d0,%0" \ : "=g" (ret) \ - : "d" (SysCode_##name), "d" (__d1) \ + : "i" (SysCode_##name), "d" (__d1) \ : "d0" ); \ syscall_return(type,ret); \ } #define syscall_2(type,name,d1type,d1,d2type,d2) \ -type bsp_##name(d1type d1, d2type d2) \ +type bsp_##name(d1type d1, d2type d2) \ { \ long ret; \ register long __d1 __asm__ ("%d1") = (long)d1; \ @@ -299,19 +299,40 @@ type bsp_##name(d1type d1, d2type d2) \ "trap #2\n\t" \ "move.l %%d0,%0" \ : "=g" (ret) \ - : "d" (SysCode_##name), "d" (__d1),\ + : "i" (SysCode_##name), "d" (__d1),\ "d" (__d2) \ : "d0" ); \ syscall_return(type,ret); \ } -#define SysCode_reset 0 /* reset */ -#define SysCode_program 5 /* program flash memory */ -#define SysCode_gethwaddr 12 /* get hardware address */ -#define SysCode_getbenv 14 /* get bootloader environment variable */ -#define SysCode_setbenv 15 /* get bootloader environment variable */ +#define syscall_3(type,name,d1type,d1,d2type,d2,d3type,d3) \ +type bsp_##name(d1type d1, d2type d2, d3type d3) \ +{ \ + long ret; \ + register long __d1 __asm__ ("%d1") = (long)d1; \ + register long __d2 __asm__ ("%d2") = (long)d2; \ + register long __d3 __asm__ ("%d3") = (long)d3; \ + __asm__ __volatile__ ("move.l %1,%%d0\n\t" \ + "trap #2\n\t" \ + "move.l %%d0,%0" \ + : "=g" (ret) \ + : "i" (SysCode_##name), "d" (__d1),\ + "d" (__d2),\ + "d" (__d3) \ + : "d0" ); \ + syscall_return(type,ret); \ +} +#define SysCode_reset 0 /* reset */ +#define SysCode_program 5 /* program flash memory */ +#define SysCode_gethwaddr 12 /* get hardware address */ +#define SysCode_getbenv 14 /* get bootloader environment variable */ +#define SysCode_setbenv 15 /* get bootloader environment variable */ +#define SysCode_flash_erase_range 19 /* erase a section of flash */ +#define SysCode_flash_write_range 20 /* write a section of flash */ syscall_1(unsigned const char *, gethwaddr, int, a) syscall_1(const char *, getbenv, const char *, a) syscall_2(int, program, bsp_mnode_t *, chain, int, flags) +syscall_3(int, flash_erase_range, volatile unsigned short *, flashptr, int, start, int, end); +syscall_3(int, flash_write_range, volatile unsigned short *, flashptr, bsp_mnode_t *, chain, int, offset); /* * 'Extended BSP' routines |