Imagelibrary/rtems
1
0
Fork 1
mirror of https://gitlab.rtems.org/rtems/rtos/rtems.git synced 2025-12-27 15:00:16 +00:00
Code Issues Packages Projects Releases Wiki Activity

some instructions altered for older binutils

Browse Source
This commit is contained in:
Joel Sherrill
1996-03-21 20:20:27 +00:00
parent 99e7cbbb48
commit 487a7ca5f7
2 changed files with 16 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
c/src/lib/libbsp/m68k/gen68360/start/start360.s
View File

@@ -295,7 +295,7 @@ Entry:
*/
uhoh: nop | Leave spot for breakpoint
stop #0x2700 | Stop with interrupts disabled
bra.b uhoh | Stuck forever
bra.s uhoh | Stuck forever
/*
* Place the low-order 3 octets of the board's
@@ -317,17 +317,17 @@ start:
* Step 3: Write the VBR
*/
lea Entry,a0 | Get base of vector table
movec a0,VBR | Set up the VBR
movec a0,vbr | Set up the VBR
/*
* Step 4: Write the MBAR
*/
movec DFC,d1 | Save destination register
movec dfc,d1 | Save destination register
moveq #7,d0 | CPU-space funcction code
movec d0,DFC | Set destination function code register
movec d0,dfc | Set destination function code register
movel #SYM(m360)+0x101,d0 | MBAR value (mask CPU space accesses)
movesl d0,0x3FF00 | Set MBAR
movec d1,DFC | Restore destination register
movec d1,dfc | Restore destination register
/*
* Step 5: Verify a dual-port RAM location
@@ -359,12 +359,12 @@ SYM(_ClearBSSAndStart):
movel #clear_start,a0
movel #clear_end,a1
clrl d0
brab ZEROLOOPTEST
bras ZEROLOOPTEST
ZEROLOOP:
movel d0,a0@+
ZEROLOOPTEST:
cmpl a1,a0
bcsb ZEROLOOP
bcs ZEROLOOP
movel #stack_init,a7 | set master stack pointer
movel d0,a7@- | environp
movel d0,a7@- | argv
@@ -374,7 +374,7 @@ ZEROLOOPTEST:
| Should this just force a reset?
mainDone: nop | Leave spot for breakpoint
stop #0x2700 | Stop with interrupts disabled
bra.b mainDone | Stuck forever
bra.s mainDone | Stuck forever
.align 2
PUBLIC (_HeapSize)

16
c/src/lib/libbsp/m68k/gen68360/start360/start360.s
View File

@@ -295,7 +295,7 @@ Entry:
*/
uhoh: nop | Leave spot for breakpoint
stop #0x2700 | Stop with interrupts disabled
bra.b uhoh | Stuck forever
bra.s uhoh | Stuck forever
/*
* Place the low-order 3 octets of the board's
@@ -317,17 +317,17 @@ start:
* Step 3: Write the VBR
*/
lea Entry,a0 | Get base of vector table
movec a0,VBR | Set up the VBR
movec a0,vbr | Set up the VBR
/*
* Step 4: Write the MBAR
*/
movec DFC,d1 | Save destination register
movec dfc,d1 | Save destination register
moveq #7,d0 | CPU-space funcction code
movec d0,DFC | Set destination function code register
movec d0,dfc | Set destination function code register
movel #SYM(m360)+0x101,d0 | MBAR value (mask CPU space accesses)
movesl d0,0x3FF00 | Set MBAR
movec d1,DFC | Restore destination register
movec d1,dfc | Restore destination register
/*
* Step 5: Verify a dual-port RAM location
@@ -359,12 +359,12 @@ SYM(_ClearBSSAndStart):
movel #clear_start,a0
movel #clear_end,a1
clrl d0
brab ZEROLOOPTEST
bras ZEROLOOPTEST
ZEROLOOP:
movel d0,a0@+
ZEROLOOPTEST:
cmpl a1,a0
bcsb ZEROLOOP
bcs ZEROLOOP
movel #stack_init,a7 | set master stack pointer
movel d0,a7@- | environp
movel d0,a7@- | argv
@@ -374,7 +374,7 @@ ZEROLOOPTEST:
| Should this just force a reset?
mainDone: nop | Leave spot for breakpoint
stop #0x2700 | Stop with interrupts disabled
bra.b mainDone | Stuck forever
bra.s mainDone | Stuck forever
.align 2
PUBLIC (_HeapSize)