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Clean up bootloader syscall handling.

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This commit is contained in:
Eric Norum
2005-02-02 14:17:26 +00:00
parent dd2f8912aa
commit 12993b38ff
2 changed files with 26 additions and 26 deletions
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c/src/lib/libbsp/m68k/uC5282/include/bsp.h
+1 -1
View File
@@ -69,7 +69,7 @@ extern rtems_configuration_table BSP_Configuration;
unsigned32 get_CPU_clock_speed(void);
unsigned const char *uC5282_gethwaddr(int a);
char *uC5282_getbenv(const char *a);
const char *uC5282_getbenv(const char *a);
void bsp_cleanup(void);
c/src/lib/libbsp/m68k/uC5282/startup/bspstart.c
+25 -25
View File
@@ -253,31 +253,31 @@ unsigned32 get_CPU_clock_speed(void)
}
/*
* Arcturus routines for getting value from bootloader
* Arcturus bootloader system calls
*/
#define __bsc_return(type, res) \
do { \
if ((unsigned long)(res) >= (unsigned long)(-64)) { \
errno = -(res); \
res = -1; \
} \
return (type)(res); \
#define syscall_return(type, ret) \
do { \
if ((unsigned long)(ret) >= (unsigned long)(-64)) { \
errno = -(ret); \
ret = -1; \
} \
return (type)(ret); \
} while (0)
#define _bsc1(type,name,atype,a) \
type uC5282_##name(atype a) \
{ \
long __res; \
register long __a __asm__ ("%d1") = (long)a; \
__asm__ __volatile__ ("move.l %0,%%d0\n\t" \
"trap #2\n\t" \
"move.l %%d0,%0" \
: "=d" (__res) \
: "0" (__BN_##name), "d" (__a) \
: "d0" ); \
__bsc_return(type,__res); \
#define syscall_1(type,name,d1type,d1) \
type uC5282_##name(d1type d1) \
{ \
long ret; \
register long __d1 __asm__ ("%d1") = (long)d1; \
__asm__ __volatile__ ("move.l %0,%%d0\n\t" \
"trap #2\n\t" \
"move.l %%d0,%0" \
: "=g" (ret) \
: "d" (SysCode_##name), "d" (__d1) \
: "d0" ); \
syscall_return(type,ret); \
}
#define __BN_gethwaddr 12 /* get the hardware address of my interfaces */
#define __BN_getbenv 14 /* get a bootloader envvar */
#define __BN_setbenv 15 /* get a bootloader envvar */
_bsc1(unsigned const char *, gethwaddr, int, a)
_bsc1(char *, getbenv, const char *, a)
#define SysCode_gethwaddr 12 /* get hardware address */
#define SysCode_getbenv 14 /* get bootloader environment variable */
#define SysCode_setbenv 15 /* get bootloader environment variable */
syscall_1(unsigned const char *, gethwaddr, int, a)
syscall_1(const char *, getbenv, const char *, a)