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In the OS glue code for the 060SP, replace the copyin()/copyout() glue by

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movs.
XXX As our CPP seems to hate the 060SP, I couldn't use assym.h for the
PCB_ONFAULT definition, but had to hardwire 64 in the code. This needs
to  be fixed ASAP, and will be done in the upcoming reorganization of
the 060sp Makefiles.
This commit is contained in:
is 1997-09-28 12:57:57 +00:00
parent 4de13c78d3
commit 8e9fc838dc
2 changed files with 122 additions and 156 deletions
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99
sys/arch/m68k/060sp/netbsd.S
View File

@ -1,5 +1,5 @@
#
# $NetBSD: netbsd.S,v 1.3 1997/06/27 23:32:09 is Exp $
# $NetBSD: netbsd.S,v 1.4 1997/09/28 12:57:57 is Exp $
#
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# MOTOROLA MICROPROCESSOR & MEMORY TECHNOLOGY GROUP
@ -158,20 +158,17 @@ user_read:
#
.global _060_dmem_read_byte
_060_dmem_read_byte:
clrl d1 |# return success
clrl d0 |# clear whole longword
btst #0x5,a6@(0x4) |# check for supervisor state
bnes dmrbs |# supervisor
dmrbu:
clrl sp@- |# clear space on stack for result
movel #0x1,sp@- |# pass: # bytes to copy
pea sp@(0x7) |# pass: dst addr (stack)
movel a0,sp@- |# pass: src addr (user mem)
bsrl _copyin |# "copy in" the data
movel d0,d1 |# return success
addl #0xc,sp |# delete params
movel sp@+,d0 |# put answer in d0
rts
movl _curpcb,a1 | fault handler
movl #Lferr,a1@(64) | set it
movsb a0@,d0
bra Lfdone
dmrbs:
clrl d0 |# clear whole longword
moveb a0@,d0 |# fetch super byte
clrl d1 |# return success
rts
@ -195,22 +192,17 @@ dmrbs:
_060_imem_read_word:
_060_dmem_read_word:
clrl d1 |# return success
clrl d0 |# clear whole longword
btst #0x5,a6@(0x4) |# check for supervisor state
bnes dmrws |# supervisor
dmrwu:
clrl sp@- |# clear result space on stack
movel #0x2,sp@- |# pass: # bytes to copy
pea sp@(0x6) |# pass: dst addr (stack)
movel a0,sp@- |# pass: src addr (user mem)
bsrl _copyin |# "copy in" the data
movel d0,d1 |# return success
addl #0xc,sp |# delete params
movel sp@+,d0 |# put answer in d0
rts
movl _curpcb,a1 | fault handler
movl #Lferr,a1@(64) | set it
movsw a0@,d0
bra Lfdone
dmrws:
clrl d0 |# clear whole longword
movew a0@,d0 |# fetch super word
clrl d1 |# return success
rts
#
@ -235,18 +227,14 @@ dmrws:
_060_imem_read_long:
_060_dmem_read_long:
clrl d1 |# return success
btst #0x5,a6@(0x4) |# check for supervisor state
bnes dmrls |# supervisor
dmrlu:
subql #0x4,sp |# clear result space on stack
movel #0x4,sp@- |# pass: # bytes to copy
pea sp@(0x4) |# pass: dst addr (stack)
movel a0,sp@- |# pass: src addr (user mem)
bsrl _copyin |# "copy in" the data
movel d0,d1 |# return success
addl #0xc,sp |# delete params
movel sp@+,d0 |# put answer in d0
rts
movl _curpcb,a1 | fault handler
movl #Lferr,a1@(64) | set it
movsl a0@,d0
bra Lfdone
dmrls:
movel a0@,d0 |# fetch super longword
clrl d1 |# return success
@ -266,20 +254,16 @@ dmrls:
#
.global _060_dmem_write_byte
_060_dmem_write_byte:
clrl d1 |# return success
btst #0x5,a6@(0x4) |# check for supervisor state
bnes dmwbs |# supervisor
dmwbu:
movel d0,sp@- |# put src on stack
movel #0x1,sp@- |# pass: # bytes to copy
movel a0,sp@- |# pass: dst addr (user mem)
pea sp@(0xb) |# pass: src addr (stack)
bsrl _copyout |# "copy out" the data
movel d0,d1 |# return success
addl #0x10,sp |# delete params + src
rts
movl _curpcb,a1 | fault handler
movl #Lferr,a1@(64) | set it
movsb d0,a0@
bra Lfdone
dmwbs:
moveb d0,a0@ |# store super byte
clrl d1 |# return success
rts
#
@ -296,20 +280,16 @@ dmwbs:
#
.global _060_dmem_write_word
_060_dmem_write_word:
clrl d1 |# return success
btst #0x5,a6@(0x4) |# check for supervisor state
bnes dmwws |# supervisor
dmwwu:
movel d0,sp@- |# put src on stack
movel #0x2,sp@- |# pass: # bytes to copy
movel a0,sp@- |# pass: dst addr (user mem)
pea sp@(0xa) |# pass: src addr (stack)
bsrl _copyout |# "copy out" the data
movel d0,d1 |# return success
addl #0x10,sp |# delete params + src
rts
movl _curpcb,a1 | fault handler
movl #Lferr,a1@(64) | set it
movsw d0,a0@
bra Lfdone
dmwws:
movew d0,a0@ |# store super word
clrl d1 |# return success
rts
#
@ -326,20 +306,23 @@ dmwws:
#
.global _060_dmem_write_long
_060_dmem_write_long:
clrl d1 |# return success
btst #0x5,a6@(0x4) |# check for supervisor state
bnes dmwls |# supervisor
dmwlu:
movel d0,sp@- |# put src on stack
movel #0x4,sp@- |# pass: # bytes to copy
movel a0,sp@- |# pass: dst addr (user mem)
pea sp@(0x8) |# pass: src addr (stack)
bsrl _copyout |# "copy out" the data
movel d0,d1 |# return success
addl #0x10,sp |# delete params + src
rts
movl _curpcb,a1 | fault handler
movl #Lferr,a1@(64) | set it
movsl d0,a0@
bra Lfdone
dmwls:
movel d0,a0@ |# store super longword
clrl d1 |# return success
rts
############################################################################
Lferr:
moveq #-1,d1
Lfdone:
clrl a1@(64) | clear fault handler
rts
############################################################################

99
sys/arch/m68k/060sp/netbsd060sp.S
View File

@ -1,5 +1,5 @@
#
# $NetBSD: netbsd060sp.S,v 1.3 1997/06/27 23:32:09 is Exp $
# $NetBSD: netbsd060sp.S,v 1.4 1997/09/28 12:57:57 is Exp $
#
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# MOTOROLA MICROPROCESSOR & MEMORY TECHNOLOGY GROUP
@ -158,20 +158,17 @@ user_read:
#
.global _060_dmem_read_byte
_060_dmem_read_byte:
clrl d1 |# return success
clrl d0 |# clear whole longword
btst #0x5,a6@(0x4) |# check for supervisor state
bnes dmrbs |# supervisor
dmrbu:
clrl sp@- |# clear space on stack for result
movel #0x1,sp@- |# pass: # bytes to copy
pea sp@(0x7) |# pass: dst addr (stack)
movel a0,sp@- |# pass: src addr (user mem)
bsrl _copyin |# "copy in" the data
movel d0,d1 |# return success
addl #0xc,sp |# delete params
movel sp@+,d0 |# put answer in d0
rts
movl _curpcb,a1 | fault handler
movl #Lferr,a1@(64) | set it
movsb a0@,d0
bra Lfdone
dmrbs:
clrl d0 |# clear whole longword
moveb a0@,d0 |# fetch super byte
clrl d1 |# return success
rts
@ -195,22 +192,17 @@ dmrbs:
_060_imem_read_word:
_060_dmem_read_word:
clrl d1 |# return success
clrl d0 |# clear whole longword
btst #0x5,a6@(0x4) |# check for supervisor state
bnes dmrws |# supervisor
dmrwu:
clrl sp@- |# clear result space on stack
movel #0x2,sp@- |# pass: # bytes to copy
pea sp@(0x6) |# pass: dst addr (stack)
movel a0,sp@- |# pass: src addr (user mem)
bsrl _copyin |# "copy in" the data
movel d0,d1 |# return success
addl #0xc,sp |# delete params
movel sp@+,d0 |# put answer in d0
rts
movl _curpcb,a1 | fault handler
movl #Lferr,a1@(64) | set it
movsw a0@,d0
bra Lfdone
dmrws:
clrl d0 |# clear whole longword
movew a0@,d0 |# fetch super word
clrl d1 |# return success
rts
#
@ -235,18 +227,14 @@ dmrws:
_060_imem_read_long:
_060_dmem_read_long:
clrl d1 |# return success
btst #0x5,a6@(0x4) |# check for supervisor state
bnes dmrls |# supervisor
dmrlu:
subql #0x4,sp |# clear result space on stack
movel #0x4,sp@- |# pass: # bytes to copy
pea sp@(0x4) |# pass: dst addr (stack)
movel a0,sp@- |# pass: src addr (user mem)
bsrl _copyin |# "copy in" the data
movel d0,d1 |# return success
addl #0xc,sp |# delete params
movel sp@+,d0 |# put answer in d0
rts
movl _curpcb,a1 | fault handler
movl #Lferr,a1@(64) | set it
movsl a0@,d0
bra Lfdone
dmrls:
movel a0@,d0 |# fetch super longword
clrl d1 |# return success
@ -266,20 +254,16 @@ dmrls:
#
.global _060_dmem_write_byte
_060_dmem_write_byte:
clrl d1 |# return success
btst #0x5,a6@(0x4) |# check for supervisor state
bnes dmwbs |# supervisor
dmwbu:
movel d0,sp@- |# put src on stack
movel #0x1,sp@- |# pass: # bytes to copy
movel a0,sp@- |# pass: dst addr (user mem)
pea sp@(0xb) |# pass: src addr (stack)
bsrl _copyout |# "copy out" the data
movel d0,d1 |# return success
addl #0x10,sp |# delete params + src
rts
movl _curpcb,a1 | fault handler
movl #Lferr,a1@(64) | set it
movsb d0,a0@
bra Lfdone
dmwbs:
moveb d0,a0@ |# store super byte
clrl d1 |# return success
rts
#
@ -296,20 +280,16 @@ dmwbs:
#
.global _060_dmem_write_word
_060_dmem_write_word:
clrl d1 |# return success
btst #0x5,a6@(0x4) |# check for supervisor state
bnes dmwws |# supervisor
dmwwu:
movel d0,sp@- |# put src on stack
movel #0x2,sp@- |# pass: # bytes to copy
movel a0,sp@- |# pass: dst addr (user mem)
pea sp@(0xa) |# pass: src addr (stack)
bsrl _copyout |# "copy out" the data
movel d0,d1 |# return success
addl #0x10,sp |# delete params + src
rts
movl _curpcb,a1 | fault handler
movl #Lferr,a1@(64) | set it
movsw d0,a0@
bra Lfdone
dmwws:
movew d0,a0@ |# store super word
clrl d1 |# return success
rts
#
@ -326,20 +306,23 @@ dmwws:
#
.global _060_dmem_write_long
_060_dmem_write_long:
clrl d1 |# return success
btst #0x5,a6@(0x4) |# check for supervisor state
bnes dmwls |# supervisor
dmwlu:
movel d0,sp@- |# put src on stack
movel #0x4,sp@- |# pass: # bytes to copy
movel a0,sp@- |# pass: dst addr (user mem)
pea sp@(0x8) |# pass: src addr (stack)
bsrl _copyout |# "copy out" the data
movel d0,d1 |# return success
addl #0x10,sp |# delete params + src
rts
movl _curpcb,a1 | fault handler
movl #Lferr,a1@(64) | set it
movsl d0,a0@
bra Lfdone
dmwls:
movel d0,a0@ |# store super longword
clrl d1 |# return success
rts
############################################################################
Lferr:
moveq #-1,d1
Lfdone:
clrl a1@(64) | clear fault handler
rts
############################################################################