[PATCH] powerpc: Merged ppc_asm.h

Merged ppc_asm.h between ppc32 & ppc64.  The majority of the file is
common between the two architectures excluding how a single GPR is
saved/restored and which GPRs are non-volatile.

Additionally, moved the ASM_CONST macro used on ppc64 into ppc_asm.h.

Signed-off-by: Kumar Gala <kumar.gala@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

7 files changed, 155 insertions, 315 deletions

diff --git a/arch/ppc/kernel/head.S b/arch/ppc/kernel/head.S
index 1960fb8c259c..d05509f197d0 100644
--- a/arch/ppc/kernel/head.S
+++ b/arch/ppc/kernel/head.S
@@ -804,7 +804,7 @@ load_up_altivec:
         beq     1f
         add     r4,r4,r6
         addi    r4,r4,THREAD    /* want THREAD of last_task_used_altivec */
-        SAVE_32VR(0,r10,r4)
+        SAVE_32VRS(0,r10,r4)
         mfvscr  vr0
         li      r10,THREAD_VSCR
         stvx    vr0,r10,r4
@@ -824,7 +824,7 @@ load_up_altivec:
         stw     r4,THREAD_USED_VR(r5)
         lvx     vr0,r10,r5
         mtvscr  vr0
-        REST_32VR(0,r10,r5)
+        REST_32VRS(0,r10,r5)
 #ifndef CONFIG_SMP
         subi    r4,r5,THREAD
         sub     r4,r4,r6
@@ -870,7 +870,7 @@ giveup_altivec:
         addi    r3,r3,THREAD            /* want THREAD of task */
         lwz     r5,PT_REGS(r3)
         cmpwi   0,r5,0
-        SAVE_32VR(0, r4, r3)
+        SAVE_32VRS(0, r4, r3)
         mfvscr  vr0
         li      r4,THREAD_VSCR
         stvx    vr0,r4,r3
diff --git a/arch/ppc/kernel/head_fsl_booke.S b/arch/ppc/kernel/head_fsl_booke.S
index 8e52e8408316..eba5a5f8ff08 100644
--- a/arch/ppc/kernel/head_fsl_booke.S
+++ b/arch/ppc/kernel/head_fsl_booke.S
@@ -853,7 +853,7 @@ load_up_spe:
         cmpi    0,r4,0
         beq     1f
         addi    r4,r4,THREAD    /* want THREAD of last_task_used_spe */
-        SAVE_32EVR(0,r10,r4)
+        SAVE_32EVRS(0,r10,r4)
         evxor   evr10, evr10, evr10     /* clear out evr10 */
         evmwumiaa evr10, evr10, evr10   /* evr10 <- ACC = 0 * 0 + ACC */
         li      r5,THREAD_ACC
@@ -873,7 +873,7 @@ load_up_spe:
         stw     r4,THREAD_USED_SPE(r5)
         evlddx  evr4,r10,r5
         evmra   evr4,evr4
-        REST_32EVR(0,r10,r5)
+        REST_32EVRS(0,r10,r5)
 #ifndef CONFIG_SMP
         subi    r4,r5,THREAD
         stw     r4,last_task_used_spe@l(r3)
@@ -963,7 +963,7 @@ _GLOBAL(giveup_spe)
         addi    r3,r3,THREAD            /* want THREAD of task */
         lwz     r5,PT_REGS(r3)
         cmpi    0,r5,0
-        SAVE_32EVR(0, r4, r3)
+        SAVE_32EVRS(0, r4, r3)
         evxor   evr6, evr6, evr6        /* clear out evr6 */
         evmwumiaa evr6, evr6, evr6      /* evr6 <- ACC = 0 * 0 + ACC */
         li      r4,THREAD_ACC
diff --git a/include/asm-ppc/ppc_asm.h b/include/asm-powerpc/ppc_asm.h
index bb53e2def363..553035cda00e 100644
--- a/include/asm-ppc/ppc_asm.h
+++ b/include/asm-powerpc/ppc_asm.h
@@ -1,38 +1,40 @@
 /*
- * include/asm-ppc/ppc_asm.h
- *
- * Definitions used by various bits of low-level assembly code on PowerPC.
- *
  * Copyright (C) 1995-1999 Gary Thomas, Paul Mackerras, Cort Dougan.
- *
- *  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 <linux/config.h>
+#ifndef _ASM_POWERPC_PPC_ASM_H
+#define _ASM_POWERPC_PPC_ASM_H
+
+#ifdef __ASSEMBLY__
 
 /*
  * Macros for storing registers into and loading registers from
  * exception frames.
  */
+#ifdef __powerpc64__
+#define SAVE_GPR(n, base)       std     n,GPR0+8*(n)(base)
+#define REST_GPR(n, base)       ld      n,GPR0+8*(n)(base)
+#define SAVE_NVGPRS(base)       SAVE_8GPRS(14, base); SAVE_10GPRS(22, base)
+#define REST_NVGPRS(base)       REST_8GPRS(14, base); REST_10GPRS(22, base)
+#else
 #define SAVE_GPR(n, base)       stw     n,GPR0+4*(n)(base)
+#define REST_GPR(n, base)       lwz     n,GPR0+4*(n)(base)
+#define SAVE_NVGPRS(base)       SAVE_GPR(13, base); SAVE_8GPRS(14, base); \
+                                SAVE_10GPRS(22, base)
+#define REST_NVGPRS(base)       REST_GPR(13, base); REST_8GPRS(14, base); \
+                                REST_10GPRS(22, base)
+#endif
+
+
 #define SAVE_2GPRS(n, base)     SAVE_GPR(n, base); SAVE_GPR(n+1, base)
 #define SAVE_4GPRS(n, base)     SAVE_2GPRS(n, base); SAVE_2GPRS(n+2, base)
 #define SAVE_8GPRS(n, base)     SAVE_4GPRS(n, base); SAVE_4GPRS(n+4, base)
 #define SAVE_10GPRS(n, base)    SAVE_8GPRS(n, base); SAVE_2GPRS(n+8, base)
-#define REST_GPR(n, base)       lwz     n,GPR0+4*(n)(base)
 #define REST_2GPRS(n, base)     REST_GPR(n, base); REST_GPR(n+1, base)
 #define REST_4GPRS(n, base)     REST_2GPRS(n, base); REST_2GPRS(n+2, base)
 #define REST_8GPRS(n, base)     REST_4GPRS(n, base); REST_4GPRS(n+4, base)
 #define REST_10GPRS(n, base)    REST_8GPRS(n, base); REST_2GPRS(n+8, base)
 
-#define SAVE_NVGPRS(base)       SAVE_GPR(13, base); SAVE_8GPRS(14, base); \
-                                SAVE_10GPRS(22, base)
-#define REST_NVGPRS(base)       REST_GPR(13, base); REST_8GPRS(14, base); \
-                                REST_10GPRS(22, base)
-
 #define SAVE_FPR(n, base)       stfd    n,THREAD_FPR0+8*(n)(base)
 #define SAVE_2FPRS(n, base)     SAVE_FPR(n, base); SAVE_FPR(n+1, base)
 #define SAVE_4FPRS(n, base)     SAVE_2FPRS(n, base); SAVE_2FPRS(n+2, base)
@@ -47,32 +49,80 @@
 #define REST_32FPRS(n, base)    REST_16FPRS(n, base); REST_16FPRS(n+16, base)
 
 #define SAVE_VR(n,b,base)       li b,THREAD_VR0+(16*(n));  stvx n,b,base
-#define SAVE_2VR(n,b,base)      SAVE_VR(n,b,base); SAVE_VR(n+1,b,base)
-#define SAVE_4VR(n,b,base)      SAVE_2VR(n,b,base); SAVE_2VR(n+2,b,base)
-#define SAVE_8VR(n,b,base)      SAVE_4VR(n,b,base); SAVE_4VR(n+4,b,base)
-#define SAVE_16VR(n,b,base)     SAVE_8VR(n,b,base); SAVE_8VR(n+8,b,base)
-#define SAVE_32VR(n,b,base)     SAVE_16VR(n,b,base); SAVE_16VR(n+16,b,base)
+#define SAVE_2VRS(n,b,base)     SAVE_VR(n,b,base); SAVE_VR(n+1,b,base)
+#define SAVE_4VRS(n,b,base)     SAVE_2VRS(n,b,base); SAVE_2VRS(n+2,b,base)
+#define SAVE_8VRS(n,b,base)     SAVE_4VRS(n,b,base); SAVE_4VRS(n+4,b,base)
+#define SAVE_16VRS(n,b,base)    SAVE_8VRS(n,b,base); SAVE_8VRS(n+8,b,base)
+#define SAVE_32VRS(n,b,base)    SAVE_16VRS(n,b,base); SAVE_16VRS(n+16,b,base)
 #define REST_VR(n,b,base)       li b,THREAD_VR0+(16*(n)); lvx n,b,base
-#define REST_2VR(n,b,base)      REST_VR(n,b,base); REST_VR(n+1,b,base)
-#define REST_4VR(n,b,base)      REST_2VR(n,b,base); REST_2VR(n+2,b,base)
-#define REST_8VR(n,b,base)      REST_4VR(n,b,base); REST_4VR(n+4,b,base)
-#define REST_16VR(n,b,base)     REST_8VR(n,b,base); REST_8VR(n+8,b,base)
-#define REST_32VR(n,b,base)     REST_16VR(n,b,base); REST_16VR(n+16,b,base)
+#define REST_2VRS(n,b,base)     REST_VR(n,b,base); REST_VR(n+1,b,base)
+#define REST_4VRS(n,b,base)     REST_2VRS(n,b,base); REST_2VRS(n+2,b,base)
+#define REST_8VRS(n,b,base)     REST_4VRS(n,b,base); REST_4VRS(n+4,b,base)
+#define REST_16VRS(n,b,base)    REST_8VRS(n,b,base); REST_8VRS(n+8,b,base)
+#define REST_32VRS(n,b,base)    REST_16VRS(n,b,base); REST_16VRS(n+16,b,base)
 
 #define SAVE_EVR(n,s,base)      evmergehi s,s,n; stw s,THREAD_EVR0+4*(n)(base)
-#define SAVE_2EVR(n,s,base)     SAVE_EVR(n,s,base); SAVE_EVR(n+1,s,base)
-#define SAVE_4EVR(n,s,base)     SAVE_2EVR(n,s,base); SAVE_2EVR(n+2,s,base)
-#define SAVE_8EVR(n,s,base)     SAVE_4EVR(n,s,base); SAVE_4EVR(n+4,s,base)
-#define SAVE_16EVR(n,s,base)    SAVE_8EVR(n,s,base); SAVE_8EVR(n+8,s,base)
-#define SAVE_32EVR(n,s,base)    SAVE_16EVR(n,s,base); SAVE_16EVR(n+16,s,base)
-
+#define SAVE_2EVRS(n,s,base)    SAVE_EVR(n,s,base); SAVE_EVR(n+1,s,base)
+#define SAVE_4EVRS(n,s,base)    SAVE_2EVRS(n,s,base); SAVE_2EVRS(n+2,s,base)
+#define SAVE_8EVRS(n,s,base)    SAVE_4EVRS(n,s,base); SAVE_4EVRS(n+4,s,base)
+#define SAVE_16EVRS(n,s,base)   SAVE_8EVRS(n,s,base); SAVE_8EVRS(n+8,s,base)
+#define SAVE_32EVRS(n,s,base)   SAVE_16EVRS(n,s,base); SAVE_16EVRS(n+16,s,base)
 #define REST_EVR(n,s,base)      lwz s,THREAD_EVR0+4*(n)(base); evmergelo n,s,n
-#define REST_2EVR(n,s,base)     REST_EVR(n,s,base); REST_EVR(n+1,s,base)
-#define REST_4EVR(n,s,base)     REST_2EVR(n,s,base); REST_2EVR(n+2,s,base)
-#define REST_8EVR(n,s,base)     REST_4EVR(n,s,base); REST_4EVR(n+4,s,base)
-#define REST_16EVR(n,s,base)    REST_8EVR(n,s,base); REST_8EVR(n+8,s,base)
-#define REST_32EVR(n,s,base)    REST_16EVR(n,s,base); REST_16EVR(n+16,s,base)
+#define REST_2EVRS(n,s,base)    REST_EVR(n,s,base); REST_EVR(n+1,s,base)
+#define REST_4EVRS(n,s,base)    REST_2EVRS(n,s,base); REST_2EVRS(n+2,s,base)
+#define REST_8EVRS(n,s,base)    REST_4EVRS(n,s,base); REST_4EVRS(n+4,s,base)
+#define REST_16EVRS(n,s,base)   REST_8EVRS(n,s,base); REST_8EVRS(n+8,s,base)
+#define REST_32EVRS(n,s,base)   REST_16EVRS(n,s,base); REST_16EVRS(n+16,s,base)
+
+/* Macros to adjust thread priority for Iseries hardware multithreading */
+#define HMT_LOW         or 1,1,1
+#define HMT_MEDIUM      or 2,2,2
+#define HMT_HIGH        or 3,3,3
+
+/* handle instructions that older assemblers may not know */
+#define RFCI            .long 0x4c000066        /* rfci instruction */
+#define RFDI            .long 0x4c00004e        /* rfdi instruction */
+#define RFMCI           .long 0x4c00004c        /* rfmci instruction */
+
+/* 
+ * LOADADDR( rn, name )
+ *   loads the address of 'name' into 'rn'
+ *
+ * LOADBASE( rn, name )
+ *   loads the address (less the low 16 bits) of 'name' into 'rn'
+ *   suitable for base+disp addressing
+ */
+#ifdef __powerpc64__
+#define LOADADDR(rn,name) \
+        lis     rn,name##@highest;      \
+        ori     rn,rn,name##@higher;    \
+        rldicr  rn,rn,32,31;            \
+        oris    rn,rn,name##@h;         \
+        ori     rn,rn,name##@l
+
+#define LOADBASE(rn,name) \
+        lis     rn,name@highest;        \
+        ori     rn,rn,name@higher;      \
+        rldicr  rn,rn,32,31;            \
+        oris    rn,rn,name@ha
+
+
+#define SET_REG_TO_CONST(reg, value)                    \
+        lis     reg,(((value)>>48)&0xFFFF);             \
+        ori     reg,reg,(((value)>>32)&0xFFFF);         \
+        rldicr  reg,reg,32,31;                          \
+        oris    reg,reg,(((value)>>16)&0xFFFF);         \
+        ori     reg,reg,((value)&0xFFFF);
+
+#define SET_REG_TO_LABEL(reg, label)                    \
+        lis     reg,(label)@highest;                    \
+        ori     reg,reg,(label)@higher;                 \
+        rldicr  reg,reg,32,31;                          \
+        oris    reg,reg,(label)@h;                      \
+        ori     reg,reg,(label)@l;
+#endif
 
+/* various errata or part fixups */
 #ifdef CONFIG_PPC601_SYNC_FIX
 #define SYNC                            \
 BEGIN_FTR_SECTION                       \
@@ -93,6 +143,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_601)
 #define ISYNC_601
 #endif
 
+
 #ifndef CONFIG_SMP
 #define TLBSYNC
 #else /* CONFIG_SMP */
@@ -104,6 +155,7 @@ BEGIN_FTR_SECTION			\
 END_FTR_SECTION_IFCLR(CPU_FTR_601)
 #endif
 
+        
 /*
  * This instruction is not implemented on the PPC 603 or 601; however, on
  * the 403GCX and 405GP tlbia IS defined and tlbie is not.
@@ -121,14 +173,44 @@ END_FTR_SECTION_IFCLR(CPU_FTR_601)
         bdnz    0b
 #endif
 
-#ifdef CONFIG_BOOKE
+
+#ifdef CONFIG_IBM405_ERR77
+#define PPC405_ERR77(ra,rb)     dcbt    ra, rb;
+#define PPC405_ERR77_SYNC       sync;
+#else
+#define PPC405_ERR77(ra,rb)
+#define PPC405_ERR77_SYNC
+#endif
+
+
+#ifdef CONFIG_IBM440EP_ERR42
+#define PPC440EP_ERR42 isync
+#else
+#define PPC440EP_ERR42
+#endif
+
+
+#if defined(CONFIG_BOOKE)
 #define tophys(rd,rs)                           \
         addis   rd,rs,0
 
 #define tovirt(rd,rs)                           \
         addis   rd,rs,0
 
-#else  /* CONFIG_BOOKE */
+#elif defined(CONFIG_PPC64)
+/* PPPBBB - DRENG  If KERNELBASE is always 0xC0...,
+ * Then we can easily do this with one asm insn. -Peter
+ */
+#define tophys(rd,rs)                           \
+        lis     rd,((KERNELBASE>>48)&0xFFFF);   \
+        rldicr  rd,rd,32,31;                    \
+        sub     rd,rs,rd
+
+#define tovirt(rd,rs)                           \
+        lis     rd,((KERNELBASE>>48)&0xFFFF);   \
+        rldicr  rd,rd,32,31;                    \
+        add     rd,rs,rd
+#else
 /*
  * On APUS (Amiga PowerPC cpu upgrade board), we don't know the
  * physical base address of RAM at compile time.
@@ -146,14 +228,14 @@ END_FTR_SECTION_IFCLR(CPU_FTR_601)
         .align  1;                              \
         .long   0b;                             \
         .previous
-#endif  /* CONFIG_BOOKE */
+#endif
 
 /*
  * On 64-bit cpus, we use the rfid instruction instead of rfi, but
  * we then have to make sure we preserve the top 32 bits except for
  * the 64-bit mode bit, which we clear.
  */
-#ifdef CONFIG_PPC64BRIDGE
+#if defined(CONFIG_PPC64BRIDGE)
 #define FIX_SRR1(ra, rb)        \
         mr      rb,ra;          \
         mfmsr   ra;             \
@@ -162,6 +244,17 @@ END_FTR_SECTION_IFCLR(CPU_FTR_601)
 #define RFI             .long   0x4c000024      /* rfid instruction */
 #define MTMSRD(r)       .long   (0x7c000164 + ((r) << 21))      /* mtmsrd */
 #define CLR_TOP32(r)    rlwinm  (r),(r),0,0,31  /* clear top 32 bits */
+#elif defined(CONFIG_PPC64)
+/* Insert the high 32 bits of the MSR into what will be the new
+   MSR (via SRR1 and rfid)  This preserves the MSR.SF and MSR.ISF
+   bits. */
+
+#define FIX_SRR1(ra, rb)        \
+        mr      rb,ra;          \
+        mfmsr   ra;             \
+        rldimi  ra,rb,0,32
+
+#define CLR_TOP32(r)    rlwinm  (r),(r),0,0,31  /* clear top 32 bits */
 
 #else
 #define FIX_SRR1(ra, rb)
@@ -172,24 +265,6 @@ END_FTR_SECTION_IFCLR(CPU_FTR_601)
 #endif
 #define MTMSRD(r)       mtmsr   r
 #define CLR_TOP32(r)
-#endif /* CONFIG_PPC64BRIDGE */
-
-#define RFCI            .long 0x4c000066        /* rfci instruction */
-#define RFDI            .long 0x4c00004e        /* rfdi instruction */
-#define RFMCI           .long 0x4c00004c        /* rfmci instruction */
-
-#ifdef CONFIG_IBM405_ERR77
-#define PPC405_ERR77(ra,rb)     dcbt    ra, rb;
-#define PPC405_ERR77_SYNC       sync;
-#else
-#define PPC405_ERR77(ra,rb)
-#define PPC405_ERR77_SYNC
-#endif
-
-#ifdef CONFIG_IBM440EP_ERR42
-#define PPC440EP_ERR42 isync
-#else
-#define PPC440EP_ERR42
 #endif
 
 /* The boring bits... */
@@ -277,6 +352,8 @@ END_FTR_SECTION_IFCLR(CPU_FTR_601)
 #define fr30    30
 #define fr31    31
 
+/* AltiVec Registers (VPRs) */
+
 #define vr0     0
 #define vr1     1
 #define vr2     2
@@ -310,6 +387,8 @@ END_FTR_SECTION_IFCLR(CPU_FTR_601)
 #define vr30    30
 #define vr31    31
 
+/* SPE Registers (EVPRs) */
+
 #define evr0    0
 #define evr1    1
 #define evr2    2
@@ -348,3 +427,11 @@ END_FTR_SECTION_IFCLR(CPU_FTR_601)
 #define N_RSYM  64
 #define N_SLINE 68
 #define N_SO    100
+
+#define ASM_CONST(x) x
+#else
+  #define __ASM_CONST(x) x##UL
+  #define ASM_CONST(x) __ASM_CONST(x)
+#endif /*  __ASSEMBLY__ */
+
+#endif /* _ASM_POWERPC_PPC_ASM_H */
diff --git a/include/asm-ppc64/cputable.h b/include/asm-ppc64/cputable.h
index acc9b4d6c168..35121408ed1c 100644
--- a/include/asm-ppc64/cputable.h
+++ b/include/asm-ppc64/cputable.h
@@ -16,7 +16,7 @@
 #define __ASM_PPC_CPUTABLE_H
 
 #include <linux/config.h>
-#include <asm/page.h> /* for ASM_CONST */
+#include <asm/ppc_asm.h> /* for ASM_CONST */
 
 /* Exposed to userland CPU features - Must match ppc32 definitions */
 #define PPC_FEATURE_32                  0x80000000
diff --git a/include/asm-ppc64/mmu.h b/include/asm-ppc64/mmu.h
index 7bc42eb087ad..737e85a5ce3c 100644
--- a/include/asm-ppc64/mmu.h
+++ b/include/asm-ppc64/mmu.h
@@ -14,6 +14,7 @@
 #define _PPC64_MMU_H_
 
 #include <linux/config.h>
+#include <asm/ppc_asm.h> /* for ASM_CONST */
 #include <asm/page.h>
 
 /*
diff --git a/include/asm-ppc64/page.h b/include/asm-ppc64/page.h
index a15422bcf30d..d404431f0a9a 100644
--- a/include/asm-ppc64/page.h
+++ b/include/asm-ppc64/page.h
@@ -11,13 +11,7 @@
  */
 
 #include <linux/config.h>
-
-#ifdef __ASSEMBLY__
-  #define ASM_CONST(x) x
-#else
-  #define __ASM_CONST(x) x##UL
-  #define ASM_CONST(x) __ASM_CONST(x)
-#endif
+#include <asm/ppc_asm.h> /* for ASM_CONST */
 
 /* PAGE_SHIFT determines the page size */
 #define PAGE_SHIFT      12
diff --git a/include/asm-ppc64/ppc_asm.h b/include/asm-ppc64/ppc_asm.h
deleted file mode 100644
index 9031d8a29aca..000000000000
--- a/include/asm-ppc64/ppc_asm.h
+++ /dev/null
@@ -1,242 +0,0 @@
-/*
- * arch/ppc64/kernel/ppc_asm.h
- *
- * Definitions used by various bits of low-level assembly code on PowerPC.
- *
- * Copyright (C) 1995-1999 Gary Thomas, Paul Mackerras, Cort Dougan.
- *
- *  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.
- */
-
-#ifndef _PPC64_PPC_ASM_H
-#define _PPC64_PPC_ASM_H
-/*
- * Macros for storing registers into and loading registers from
- * exception frames.
- */
-#define SAVE_GPR(n, base)       std     n,GPR0+8*(n)(base)
-#define SAVE_2GPRS(n, base)     SAVE_GPR(n, base); SAVE_GPR(n+1, base)
-#define SAVE_4GPRS(n, base)     SAVE_2GPRS(n, base); SAVE_2GPRS(n+2, base)
-#define SAVE_8GPRS(n, base)     SAVE_4GPRS(n, base); SAVE_4GPRS(n+4, base)
-#define SAVE_10GPRS(n, base)    SAVE_8GPRS(n, base); SAVE_2GPRS(n+8, base)
-#define REST_GPR(n, base)       ld      n,GPR0+8*(n)(base)
-#define REST_2GPRS(n, base)     REST_GPR(n, base); REST_GPR(n+1, base)
-#define REST_4GPRS(n, base)     REST_2GPRS(n, base); REST_2GPRS(n+2, base)
-#define REST_8GPRS(n, base)     REST_4GPRS(n, base); REST_4GPRS(n+4, base)
-#define REST_10GPRS(n, base)    REST_8GPRS(n, base); REST_2GPRS(n+8, base)
-
-#define SAVE_NVGPRS(base)       SAVE_8GPRS(14, base); SAVE_10GPRS(22, base)
-#define REST_NVGPRS(base)       REST_8GPRS(14, base); REST_10GPRS(22, base)
-
-#define SAVE_FPR(n, base)       stfd    n,THREAD_FPR0+8*(n)(base)
-#define SAVE_2FPRS(n, base)     SAVE_FPR(n, base); SAVE_FPR(n+1, base)
-#define SAVE_4FPRS(n, base)     SAVE_2FPRS(n, base); SAVE_2FPRS(n+2, base)
-#define SAVE_8FPRS(n, base)     SAVE_4FPRS(n, base); SAVE_4FPRS(n+4, base)
-#define SAVE_16FPRS(n, base)    SAVE_8FPRS(n, base); SAVE_8FPRS(n+8, base)
-#define SAVE_32FPRS(n, base)    SAVE_16FPRS(n, base); SAVE_16FPRS(n+16, base)
-#define REST_FPR(n, base)       lfd     n,THREAD_FPR0+8*(n)(base)
-#define REST_2FPRS(n, base)     REST_FPR(n, base); REST_FPR(n+1, base)
-#define REST_4FPRS(n, base)     REST_2FPRS(n, base); REST_2FPRS(n+2, base)
-#define REST_8FPRS(n, base)     REST_4FPRS(n, base); REST_4FPRS(n+4, base)
-#define REST_16FPRS(n, base)    REST_8FPRS(n, base); REST_8FPRS(n+8, base)
-#define REST_32FPRS(n, base)    REST_16FPRS(n, base); REST_16FPRS(n+16, base)
-
-#define SAVE_VR(n,b,base)       li b,THREAD_VR0+(16*(n));  stvx n,b,base
-#define SAVE_2VRS(n,b,base)     SAVE_VR(n,b,base); SAVE_VR(n+1,b,base)
-#define SAVE_4VRS(n,b,base)     SAVE_2VRS(n,b,base); SAVE_2VRS(n+2,b,base)
-#define SAVE_8VRS(n,b,base)     SAVE_4VRS(n,b,base); SAVE_4VRS(n+4,b,base)
-#define SAVE_16VRS(n,b,base)    SAVE_8VRS(n,b,base); SAVE_8VRS(n+8,b,base)
-#define SAVE_32VRS(n,b,base)    SAVE_16VRS(n,b,base); SAVE_16VRS(n+16,b,base)
-#define REST_VR(n,b,base)       li b,THREAD_VR0+(16*(n)); lvx n,b,base
-#define REST_2VRS(n,b,base)     REST_VR(n,b,base); REST_VR(n+1,b,base)
-#define REST_4VRS(n,b,base)     REST_2VRS(n,b,base); REST_2VRS(n+2,b,base)
-#define REST_8VRS(n,b,base)     REST_4VRS(n,b,base); REST_4VRS(n+4,b,base)
-#define REST_16VRS(n,b,base)    REST_8VRS(n,b,base); REST_8VRS(n+8,b,base)
-#define REST_32VRS(n,b,base)    REST_16VRS(n,b,base); REST_16VRS(n+16,b,base)
-
-/* Macros to adjust thread priority for Iseries hardware multithreading */
-#define HMT_LOW         or 1,1,1
-#define HMT_MEDIUM      or 2,2,2
-#define HMT_HIGH        or 3,3,3
-
-/* Insert the high 32 bits of the MSR into what will be the new
-   MSR (via SRR1 and rfid)  This preserves the MSR.SF and MSR.ISF
-   bits. */
-
-#define FIX_SRR1(ra, rb)        \
-        mr      rb,ra;          \
-        mfmsr   ra;             \
-        rldimi  ra,rb,0,32
-
-#define CLR_TOP32(r)    rlwinm  (r),(r),0,0,31  /* clear top 32 bits */
-
-/* 
- * LOADADDR( rn, name )
- *   loads the address of 'name' into 'rn'
- *
- * LOADBASE( rn, name )
- *   loads the address (less the low 16 bits) of 'name' into 'rn'
- *   suitable for base+disp addressing
- */
-#define LOADADDR(rn,name) \
-        lis     rn,name##@highest;      \
-        ori     rn,rn,name##@higher;    \
-        rldicr  rn,rn,32,31;            \
-        oris    rn,rn,name##@h;         \
-        ori     rn,rn,name##@l
-
-#define LOADBASE(rn,name) \
-        lis     rn,name@highest;        \
-        ori     rn,rn,name@higher;      \
-        rldicr  rn,rn,32,31;            \
-        oris    rn,rn,name@ha
-
-
-#define SET_REG_TO_CONST(reg, value)                    \
-        lis     reg,(((value)>>48)&0xFFFF);             \
-        ori     reg,reg,(((value)>>32)&0xFFFF);         \
-        rldicr  reg,reg,32,31;                          \
-        oris    reg,reg,(((value)>>16)&0xFFFF);         \
-        ori     reg,reg,((value)&0xFFFF);
-
-#define SET_REG_TO_LABEL(reg, label)                    \
-        lis     reg,(label)@highest;                    \
-        ori     reg,reg,(label)@higher;                 \
-        rldicr  reg,reg,32,31;                          \
-        oris    reg,reg,(label)@h;                      \
-        ori     reg,reg,(label)@l;
-
-
-/* PPPBBB - DRENG  If KERNELBASE is always 0xC0...,
- * Then we can easily do this with one asm insn. -Peter
- */
-#define tophys(rd,rs)                           \
-        lis     rd,((KERNELBASE>>48)&0xFFFF);   \
-        rldicr  rd,rd,32,31;                    \
-        sub     rd,rs,rd
-
-#define tovirt(rd,rs)                           \
-        lis     rd,((KERNELBASE>>48)&0xFFFF);   \
-        rldicr  rd,rd,32,31;                    \
-        add     rd,rs,rd
-
-/* Condition Register Bit Fields */
-
-#define cr0     0
-#define cr1     1
-#define cr2     2
-#define cr3     3
-#define cr4     4
-#define cr5     5
-#define cr6     6
-#define cr7     7
-
-
-/* General Purpose Registers (GPRs) */
-
-#define r0      0
-#define r1      1
-#define r2      2
-#define r3      3
-#define r4      4
-#define r5      5
-#define r6      6
-#define r7      7
-#define r8      8
-#define r9      9
-#define r10     10
-#define r11     11
-#define r12     12
-#define r13     13
-#define r14     14
-#define r15     15
-#define r16     16
-#define r17     17
-#define r18     18
-#define r19     19
-#define r20     20
-#define r21     21
-#define r22     22
-#define r23     23
-#define r24     24
-#define r25     25
-#define r26     26
-#define r27     27
-#define r28     28
-#define r29     29
-#define r30     30
-#define r31     31
-
-
-/* Floating Point Registers (FPRs) */
-
-#define fr0     0
-#define fr1     1
-#define fr2     2
-#define fr3     3
-#define fr4     4
-#define fr5     5
-#define fr6     6
-#define fr7     7
-#define fr8     8
-#define fr9     9
-#define fr10    10
-#define fr11    11
-#define fr12    12
-#define fr13    13
-#define fr14    14
-#define fr15    15
-#define fr16    16
-#define fr17    17
-#define fr18    18
-#define fr19    19
-#define fr20    20
-#define fr21    21
-#define fr22    22
-#define fr23    23
-#define fr24    24
-#define fr25    25
-#define fr26    26
-#define fr27    27
-#define fr28    28
-#define fr29    29
-#define fr30    30
-#define fr31    31
-
-#define vr0     0
-#define vr1     1
-#define vr2     2
-#define vr3     3
-#define vr4     4
-#define vr5     5
-#define vr6     6
-#define vr7     7
-#define vr8     8
-#define vr9     9
-#define vr10    10
-#define vr11    11
-#define vr12    12
-#define vr13    13
-#define vr14    14
-#define vr15    15
-#define vr16    16
-#define vr17    17
-#define vr18    18
-#define vr19    19
-#define vr20    20
-#define vr21    21
-#define vr22    22
-#define vr23    23
-#define vr24    24
-#define vr25    25
-#define vr26    26
-#define vr27    27
-#define vr28    28
-#define vr29    29
-#define vr30    30
-#define vr31    31
-
-#endif /* _PPC64_PPC_ASM_H */