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v2_as.patch

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Defines mount as _mount, gtty as _gtty, so that these symbols will not
    conflict with the pre-defined symbols in the V2 assembler.
This commit is contained in:
warren.toomey
2008-05-06 15:31:15 +00:00
parent 03e3fcd6a1
commit 6ea994d192
2 changed files with 85 additions and 1 deletions
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6
patches/notes.txt
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@@ -1,4 +1,4 @@
cold.patch -
cold.patch
Sets the "cold" flag to one to build a kernel that bootstraps the
root filesystem.
@@ -34,3 +34,7 @@ upcase.patch
fastout.patch
Remove output delays for mechanical teletypes, so output goes faster.
v2_as.patch
Defines mount as _mount, gtty as _gtty, so that these symbols will not
conflict with the pre-defined symbols in the V2 assembler.

80
patches/v2_as.patch Normal file
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@@ -0,0 +1,80 @@
--- u0.s Wed May 7 01:20:13 2008
+++ ../a/u0.s Wed May 7 01:19:38 2008
@@ -126,7 +126,7 @@
/ format given in
mov $systm,sb0+6 / memory map
mov $-512.,sb1+4
- mov $mount,sb1+6
+ mov $_mount,sb1+6
mov $user,swp+6
/ set devices to interrupt
--- u1.s Wed May 7 01:20:13 2008
+++ ../a/u1.s Wed May 7 01:21:56 2008
@@ -474,7 +474,7 @@
br sysret2
sysstty: / set mode of typewriter; 3 consequtive word arguments
- jsr r0,gtty / r1 will have offset to tty block, r2 has source
+ jsr r0,_gtty / r1 will have offset to tty block, r2 has source
mov r2,-(sp)
mov r1,-(sp) / put r1 and r2 on the stack
1: / flush the clist wait till typewriter is quiescent
@@ -507,7 +507,7 @@
jmp sysret2 / return to user
sysgtty: / get status of typewriter; 3 consequtive word arguments
- jsr r0,gtty / r1 will have offset to tty block, r2 has
+ jsr r0,_gtty / r1 will have offset to tty block, r2 has
/ destination
mov rcsr(r1),(r2)+ / put reader control status in 1st word
/ of dest
@@ -516,7 +516,7 @@
mov tty+4(r1),(r2)+ / put mode in 3rd word
jmp sysret2 / return to user
-gtty:
+_gtty:
jsr r0,arg; u.off / put first arg in u.off
mov *u.r0,r1 / put file descriptor in r1
jsr r0,getf / get the i-number of the file
--- u5.s Wed May 7 01:20:13 2008
+++ ../a/u5.s Wed May 7 01:19:38 2008
@@ -85,7 +85,7 @@
mov $systm,r2 / start of inode and free storage map for drum
tst cdev
beq 1f / drum is device
- mov $mount,r2 / disk or tape is device, start of inode and free
+ mov $_mount,r2 / disk or tape is device, start of inode and free
/ storage map
1:
mov (r2)+,r1 / first word contains number of bytes in free
@@ -152,7 +152,7 @@
/ with block bit in it
tst cdev
beq 1f / cdev = 0 indicates device is drum
- add $mount-systm,r2 / address of word of free storage map for
+ add $_mount-systm,r2 / address of word of free storage map for
/ mountable device with bit of block to be
/ freed
1:
@@ -204,7 +204,7 @@
/ block for drum
tst cdev / is the device the disk
beq 1f / yes
- add $mount-systm,r2 / for mounted device, r2 points to 1st word
+ add $_mount-systm,r2 / for mounted device, r2 points to 1st word
/ of its super block
1:
add (r2)+,(sp) / get byte address of allocation bit
--- ux.s Wed May 7 01:20:13 2008
+++ ../a/ux.s Wed May 7 01:19:38 2008
@@ -21,7 +21,7 @@
i.ctim: .=.+4
i.mtim: .=.+4
. = inode+32.
-mount: .=.+1024.
+_mount: .=.+1024.
proc:
p.pid: .=.+[2*nproc]
p.dska: .=.+[2*nproc]