Blackfin: IP04: new board port

[karo-tx-uboot.git] / include / ppc_asm.tmpl

diff --git a/include/ppc_asm.tmpl b/include/ppc_asm.tmpl
index 9f4029f2afca88d35c074f15c37d914b2328a020..84de146e5dd1295068ba726bb699e86064fa41df 100644 (file)
--- a/include/ppc_asm.tmpl
+++ b/include/ppc_asm.tmpl
@@ -50,13 +50,13 @@
        .text   2               ;       \
 0:     .long   .LCTOC1-1f      ;       \
        .text                   ;       \
-1:     mflr    r14             ;       \
-       lwz     r0,0b-1b(r14)   ;       \
-       add     r14,r0,r14      ;
+1:     mflr    r12             ;       \
+       lwz     r0,0b-1b(r12)   ;       \
+       add     r12,r0,r12      ;
 
 #define GOT_ENTRY(NAME)                .L_ ## NAME = . - .LCTOC1 ; .long NAME
 
-#define GOT(NAME)              .L_ ## NAME (r14)
+#define GOT(NAME)              .L_ ## NAME (r12)
 
 
 /***************************************************************************
@@ -235,7 +235,7 @@
        stw     r22,_CTR(r21);  \
        mfspr   r20,XER;        \
        stw     r20,_XER(r21);  \
-       mfspr   r20,DEAR;       \
+       mfspr   r20, DAR_DEAR;  \
        stw     r20,_DAR(r21);  \
        mfspr   r22,reg1;       \
        mfspr   r23,reg2;       \
@@ -257,48 +257,43 @@
  * OFFSET values only; they must be relocated first before they can
  * be used!
  */
-#define STD_EXCEPTION(n, label, hdlr)                  \
-       . = n;                                          \
-label:                                                 \
-       EXCEPTION_PROLOG(SRR0, SRR1);                   \
-       lwz     r3,GOT(transfer_to_handler);            \
-       mtlr    r3;                                     \
-       addi    r3,r1,STACK_FRAME_OVERHEAD;             \
-       li      r20,MSR_KERNEL;                         \
+#define COPY_EE(d, s)          rlwimi d,s,0,16,16
+#define NOCOPY(d, s)
+#define EXC_XFER_TEMPLATE(label, hdlr, msr, copyee)    \
+       bl      1f;                                     \
+1:     mflr    r20;                                    \
+       lwz     r20,(.L_ ## label)-1b+8(r20);           \
+       mtlr    r20;                                    \
+       li      r20,msr;                                \
+       copyee(r20,r23);                                \
        rlwimi  r20,r23,0,25,25;                        \
        blrl;                                           \
 .L_ ## label :                                         \
        .long   hdlr - _start + _START_OFFSET;          \
-       .long   int_return - _start + _START_OFFSET
+       .long   int_return - _start + _START_OFFSET;    \
+       .long   transfer_to_handler - _start + _START_OFFSET
+
+#define STD_EXCEPTION(n, label, hdlr)                          \
+       . = n;                                                  \
+label:                                                         \
+       EXCEPTION_PROLOG(SRR0, SRR1);                           \
+       addi    r3,r1,STACK_FRAME_OVERHEAD;                     \
+       EXC_XFER_TEMPLATE(label, hdlr, MSR_KERNEL, NOCOPY)      \
 
 #define CRIT_EXCEPTION(n, label, hdlr)                         \
        . = n;                                                  \
 label:                                                         \
        EXCEPTION_PROLOG(CSRR0, CSRR1);                         \
-       lwz     r3,GOT(transfer_to_handler);                    \
-       mtlr    r3;                                             \
        addi    r3,r1,STACK_FRAME_OVERHEAD;                     \
-       li      r20,(MSR_KERNEL & ~(MSR_ME|MSR_DE|MSR_CE));     \
-       rlwimi  r20,r23,0,25,25;                                \
-       blrl;                                                   \
-.L_ ## label :                                                 \
-       .long   hdlr - _start + _START_OFFSET;                  \
-       .long   crit_return - _start + _START_OFFSET
-
-#ifdef CONFIG_440
+       EXC_XFER_TEMPLATE(label, hdlr,                          \
+       MSR_KERNEL & ~(MSR_ME|MSR_DE|MSR_CE), NOCOPY)           \
+
 #define MCK_EXCEPTION(n, label, hdlr)                          \
        . = n;                                                  \
 label:                                                         \
        EXCEPTION_PROLOG(MCSRR0, MCSRR1);                       \
-       lwz     r3,GOT(transfer_to_handler);                    \
-       mtlr    r3;                                             \
        addi    r3,r1,STACK_FRAME_OVERHEAD;                     \
-       li      r20,(MSR_KERNEL & ~(MSR_ME|MSR_DE|MSR_CE));     \
-       rlwimi  r20,r23,0,25,25;                                \
-       blrl;                                                   \
-.L_ ## label :                                                 \
-       .long   hdlr - _start + _START_OFFSET;                  \
-       .long   mck_return - _start + _START_OFFSET
-#endif /* CONFIG_440  */
+       EXC_XFER_TEMPLATE(label, hdlr,                          \
+       MSR_KERNEL & ~(MSR_ME|MSR_DE|MSR_CE), NOCOPY)           \
 
 #endif /* __PPC_ASM_TMPL__ */