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Move Decstation-specific locore code (sii DMA copy, vmstat -i counters)

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from arch/mips/mips/locore.S to arch/pmax/pmax/locore_machdep.S.
This commit is contained in:
jonathan 1996-09-30 01:30:21 +00:00
parent e82e5facd0
commit 1fc59008c3
1 changed files with 2 additions and 109 deletions
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111
sys/arch/mips/mips/locore.S
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@ -1,4 +1,4 @@
/* $NetBSD: locore.S,v 1.22 1996/05/21 00:20:40 jonathan Exp $ */
/* $NetBSD: locore.S,v 1.23 1996/09/30 01:30:21 jonathan Exp $ */
/*
* Copyright (c) 1992, 1993
@ -1928,112 +1928,5 @@ END(cpu_getregs)
/*
* Port-specific locore code
* Port-specific locore code moved to sys/arch/<port>/<port>/locore_machdep.S
*/
/*
* Copy data to the DMA buffer.
* The DMA bufffer can only be written one short at a time
* (and takes ~14 cycles).
*
* CopyToBuffer(src, dst, length)
* u_short *src; NOTE: must be short aligned
* u_short *dst;
* int length;
*/
LEAF(CopyToBuffer)
blez a2, 2f
nop
1:
lhu t0, 0(a0) # read 2 bytes of data
subu a2, a2, 2
addu a0, a0, 2
addu a1, a1, 4
bgtz a2, 1b
sh t0, -4(a1) # write 2 bytes of data to buffer
2:
j ra
nop
END(CopyToBuffer)
/*
* Copy data from the DMA buffer.
* The DMA bufffer can only be read one short at a time
* (and takes ~12 cycles).
*
* CopyFromBuffer(src, dst, length)
* u_short *src;
* char *dst;
* int length;
*/
LEAF(CopyFromBuffer)
and t0, a1, 1 # test for aligned dst
beq t0, zero, 3f
nop
blt a2, 2, 7f # at least 2 bytes to copy?
nop
1:
lhu t0, 0(a0) # read 2 bytes of data from buffer
addu a0, a0, 4 # keep buffer pointer word aligned
addu a1, a1, 2
subu a2, a2, 2
sb t0, -2(a1)
srl t0, t0, 8
bge a2, 2, 1b
sb t0, -1(a1)
3:
blt a2, 2, 7f # at least 2 bytes to copy?
nop
6:
lhu t0, 0(a0) # read 2 bytes of data from buffer
addu a0, a0, 4 # keep buffer pointer word aligned
addu a1, a1, 2
subu a2, a2, 2
bge a2, 2, 6b
sh t0, -2(a1)
7:
ble a2, zero, 9f # done?
nop
lhu t0, 0(a0) # copy one more byte
nop
sb t0, 0(a1)
9:
j ra
nop
END(CopyFromBuffer)
/*
* Interrupt counters for vmstat.
*/
.data
.globl _C_LABEL(intrcnt)
.globl _C_LABEL(eintrcnt)
.globl _C_LABEL(intrnames)
.globl _C_LABEL(eintrnames)
_C_LABEL(intrnames):
.asciiz "softclock"
.asciiz "softnet"
.asciiz "serial0"
.asciiz "serial1"
.asciiz "serial2"
.asciiz "ether"
.asciiz "scsi"
.asciiz "memory"
.asciiz "clock"
.asciiz "fpu"
.asciiz "tcslot0"
.asciiz "tcslot1"
.asciiz "tcslot2"
.asciiz "dtop"
.asciiz "isdn"
.asciiz "floppy"
.asciiz "stray"
.asciiz "nmi"
.asciiz "lostclock"
_C_LABEL(eintrnames):
.align 2
_C_LABEL(intrcnt):
.word 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0
_C_LABEL(eintrcnt):
.word 0 # This shouldn't be needed but with 4.4bsd's as, the eintrcnt
# label ends end up in a different section otherwise.