Subversion Repositories openrisc_2011-10-31

/*
 *  $Id: lnklib.S,v 1.2 2001-09-27 12:00:24 chris Exp $
 */

#include <iregdef.h>
#include <idtcpu.h>

#define FRAME(name,frm_reg,offset,ret_reg)      \
        .globl  name;                           \
        .ent    name;                           \
name:;                                          \
        .frame  frm_reg,offset,ret_reg

#define ENDFRAME(name)                          \
        .end name

#define PROM_LINK(name,entry)           \
        .globl  name;                   \
        .ent    name;                   \
name:   la      $2,+entry;              \
        j       $2;                     \
        .end name

#define PROM_ENTRY(x)   (0xbfc00000+((x)*8))

#define PROM_RESET      PROM_ENTRY(0)
#define PROM_NOT_IMP    PROM_ENTRY(1)
#define PROM_RESTART    PROM_ENTRY(2)
#define PROM_REINIT     PROM_ENTRY(3)
#define PROM_GETCHAR    PROM_ENTRY(11)
#define PROM_PUTCHAR    PROM_ENTRY(12)
#define PROM_SHOWCHAR   PROM_ENTRY(13)
#define PROM_PRINTF     PROM_ENTRY(16)
#define PROM_RETURN     PROM_ENTRY(17)

#define PROM_RGETS      PROM_ENTRY(25)
#define PROM_FLUSHCACHE PROM_ENTRY(28)
#define PROM_CLEARCACHE PROM_ENTRY(29)
#define PROM_SETJMP     PROM_ENTRY(30)
#define PROM_LONGJMP    PROM_ENTRY(31)

        .text

PROM_LINK(idtsim_putchar, PROM_PUTCHAR)
PROM_LINK(idtsim_getchar, PROM_GETCHAR)
PROM_LINK(idtsim_showchar, PROM_SHOWCHAR)
PROM_LINK(idtsim__exit, PROM_RETURN)
PROM_LINK(idtsim_reinit, PROM_REINIT)
PROM_LINK(idtsim_restart, PROM_RESTART)
PROM_LINK(idtsim_reset, PROM_RESET)
PROM_LINK(idtsim_promexit, PROM_RETURN)
PROM_LINK(idtsim_setjmp, PROM_SETJMP)
PROM_LINK(idtsim_longjmp, PROM_LONGJMP)

FRAME(idtsim_init_sbrk,sp,0,ra)
        j       ra
ENDFRAME(idtsim_init_sbrk)

FRAME(idtsim_init_file,sp,0,ra)
        j       ra
ENDFRAME(idtsim_init_file)