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set _drvbits

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This commit is contained in:
Markus Fröschle
2013-05-11 10:16:06 +00:00
parent 8d80f1d9d8
commit 5eba0d741c
1 changed files with 7 additions and 2 deletions
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9
BaS_gcc/sources/xhdi_vec.S
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@@ -5,6 +5,8 @@
.globl _xhdi_vec .globl _xhdi_vec
.globl _xhdi_sd_install .globl _xhdi_sd_install
.equ _drvbits, 0x4c2
// //
// this is where the XHDI cookie points to: // this is where the XHDI cookie points to:
// //
@@ -13,6 +15,11 @@
_xhdi_vec: _xhdi_vec:
lea -12(sp),sp // save all used registers according to XHDI spec lea -12(sp),sp // save all used registers according to XHDI spec
movem.l d1/a0-a1,(sp) movem.l d1/a0-a1,(sp)
move.l _drvbits,d0
bset.l #('S'-'A'),d0 // add drive S
move.l d0,_drvbits
pea 16(sp) // forward address of parameters on stack pea 16(sp) // forward address of parameters on stack
jsr _xhdi_call // to internal routine jsr _xhdi_call // to internal routine
addq.l #4,sp // correct stack addq.l #4,sp // correct stack
@@ -20,8 +27,6 @@ _xhdi_vec:
lea 12(sp),sp lea 12(sp),sp
rts rts
.equ _drvbits, 0x4c2
.data .data
_old_vector: _old_vector:
.ds.l 1 .ds.l 1