* Adapted for iSeries by Mike Corrigan (mikejc@us.ibm.com)
* PPC64 updates by Dave Engebretsen (engebret@us.ibm.com)
*
+ * setjmp/longjmp code by Paul Mackerras.
+ *
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <asm/ppc_asm.h>
+#include <asm/unistd.h>
+#include <asm/asm-compat.h>
+#include <asm/asm-offsets.h>
.text
mflr r0
bl 1f
1: mflr r3
- LOAD_REG_IMMEDIATE(r4,1b)
+ PPC_LL r4,(2f-1b)(r3)
subf r3,r4,r3
mtlr r0
blr
+ .align 3
+2: PPC_LONG 1b
+
/*
* add_reloc_offset(x) returns x + reloc_offset().
*/
mflr r0
bl 1f
1: mflr r5
- LOAD_REG_IMMEDIATE(r4,1b)
+ PPC_LL r4,(2f-1b)(r5)
subf r5,r4,r5
add r3,r3,r5
mtlr r0
blr
-/*
- * I/O string operations
- *
- * insb(port, buf, len)
- * outsb(port, buf, len)
- * insw(port, buf, len)
- * outsw(port, buf, len)
- * insl(port, buf, len)
- * outsl(port, buf, len)
- * insw_ns(port, buf, len)
- * outsw_ns(port, buf, len)
- * insl_ns(port, buf, len)
- * outsl_ns(port, buf, len)
- *
- * The *_ns versions don't do byte-swapping.
- */
-_GLOBAL(_insb)
- sync
- cmpwi 0,r5,0
- mtctr r5
- subi r4,r4,1
- blelr-
-00: lbz r5,0(r3)
- eieio
- stbu r5,1(r4)
- bdnz 00b
- twi 0,r5,0
- isync
- blr
-
-_GLOBAL(_outsb)
- cmpwi 0,r5,0
- mtctr r5
- subi r4,r4,1
- blelr-
- sync
-00: lbzu r5,1(r4)
- stb r5,0(r3)
- bdnz 00b
- sync
- blr
+ .align 3
+2: PPC_LONG 1b
-_GLOBAL(_insw_ns)
- sync
- cmpwi 0,r5,0
- mtctr r5
- subi r4,r4,2
- blelr-
-00: lhz r5,0(r3)
- eieio
- sthu r5,2(r4)
- bdnz 00b
- twi 0,r5,0
- isync
+_GLOBAL(kernel_execve)
+ li r0,__NR_execve
+ sc
+ bnslr
+ neg r3,r3
blr
-_GLOBAL(_outsw_ns)
- cmpwi 0,r5,0
- mtctr r5
- subi r4,r4,2
- blelr-
- sync
-00: lhzu r5,2(r4)
- sth r5,0(r3)
- bdnz 00b
- sync
+_GLOBAL(setjmp)
+ mflr r0
+ PPC_STL r0,0(r3)
+ PPC_STL r1,SZL(r3)
+ PPC_STL r2,2*SZL(r3)
+ mfcr r0
+ PPC_STL r0,3*SZL(r3)
+ PPC_STL r13,4*SZL(r3)
+ PPC_STL r14,5*SZL(r3)
+ PPC_STL r15,6*SZL(r3)
+ PPC_STL r16,7*SZL(r3)
+ PPC_STL r17,8*SZL(r3)
+ PPC_STL r18,9*SZL(r3)
+ PPC_STL r19,10*SZL(r3)
+ PPC_STL r20,11*SZL(r3)
+ PPC_STL r21,12*SZL(r3)
+ PPC_STL r22,13*SZL(r3)
+ PPC_STL r23,14*SZL(r3)
+ PPC_STL r24,15*SZL(r3)
+ PPC_STL r25,16*SZL(r3)
+ PPC_STL r26,17*SZL(r3)
+ PPC_STL r27,18*SZL(r3)
+ PPC_STL r28,19*SZL(r3)
+ PPC_STL r29,20*SZL(r3)
+ PPC_STL r30,21*SZL(r3)
+ PPC_STL r31,22*SZL(r3)
+ li r3,0
blr
-_GLOBAL(_insl_ns)
- sync
- cmpwi 0,r5,0
- mtctr r5
- subi r4,r4,4
- blelr-
-00: lwz r5,0(r3)
- eieio
- stwu r5,4(r4)
- bdnz 00b
- twi 0,r5,0
- isync
+_GLOBAL(longjmp)
+ PPC_LCMPI r4,0
+ bne 1f
+ li r4,1
+1: PPC_LL r13,4*SZL(r3)
+ PPC_LL r14,5*SZL(r3)
+ PPC_LL r15,6*SZL(r3)
+ PPC_LL r16,7*SZL(r3)
+ PPC_LL r17,8*SZL(r3)
+ PPC_LL r18,9*SZL(r3)
+ PPC_LL r19,10*SZL(r3)
+ PPC_LL r20,11*SZL(r3)
+ PPC_LL r21,12*SZL(r3)
+ PPC_LL r22,13*SZL(r3)
+ PPC_LL r23,14*SZL(r3)
+ PPC_LL r24,15*SZL(r3)
+ PPC_LL r25,16*SZL(r3)
+ PPC_LL r26,17*SZL(r3)
+ PPC_LL r27,18*SZL(r3)
+ PPC_LL r28,19*SZL(r3)
+ PPC_LL r29,20*SZL(r3)
+ PPC_LL r30,21*SZL(r3)
+ PPC_LL r31,22*SZL(r3)
+ PPC_LL r0,3*SZL(r3)
+ mtcrf 0x38,r0
+ PPC_LL r0,0(r3)
+ PPC_LL r1,SZL(r3)
+ PPC_LL r2,2*SZL(r3)
+ mtlr r0
+ mr r3,r4
blr
-_GLOBAL(_outsl_ns)
- cmpwi 0,r5,0
- mtctr r5
- subi r4,r4,4
- blelr-
- sync
-00: lwzu r5,4(r4)
- stw r5,0(r3)
- bdnz 00b
- sync
+_GLOBAL(__setup_cpu_power7)
+_GLOBAL(__restore_cpu_power7)
+ /* place holder */
blr
-
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff