summaryrefslogtreecommitdiffstats
path: root/c/src/lib/libbsp/powerpc/support/new_exception_processing/cpu_asm.S
diff options
context:
space:
mode:
authorRalf Corsepius <ralf.corsepius@rtems.org>2005-02-15 13:41:19 +0000
committerRalf Corsepius <ralf.corsepius@rtems.org>2005-02-15 13:41:19 +0000
commit3c2ff4defeb4071439daeaac35f1d95b22f832eb (patch)
treed5f91a3e9adb9db0f461c55c27bd33864cc3db28 /c/src/lib/libbsp/powerpc/support/new_exception_processing/cpu_asm.S
parent2005-02-15 Ralf Corsepius <ralf.corsepius@rtems.org> (diff)
downloadrtems-3c2ff4defeb4071439daeaac35f1d95b22f832eb.tar.bz2
Remove (moved to libcpu).
Diffstat (limited to 'c/src/lib/libbsp/powerpc/support/new_exception_processing/cpu_asm.S')
-rw-r--r--c/src/lib/libbsp/powerpc/support/new_exception_processing/cpu_asm.S404
1 files changed, 0 insertions, 404 deletions
diff --git a/c/src/lib/libbsp/powerpc/support/new_exception_processing/cpu_asm.S b/c/src/lib/libbsp/powerpc/support/new_exception_processing/cpu_asm.S
deleted file mode 100644
index f4cb804eff..0000000000
--- a/c/src/lib/libbsp/powerpc/support/new_exception_processing/cpu_asm.S
+++ /dev/null
@@ -1,404 +0,0 @@
-
-/* cpu_asm.s 1.1 - 95/12/04
- *
- * This file contains the assembly code for the PowerPC implementation
- * of RTEMS.
- *
- * Author: Andrew Bray <andy@i-cubed.co.uk>
- *
- * COPYRIGHT (c) 1995 by i-cubed ltd.
- *
- * To anyone who acknowledges that this file is provided "AS IS"
- * without any express or implied warranty:
- * permission to use, copy, modify, and distribute this file
- * for any purpose is hereby granted without fee, provided that
- * the above copyright notice and this notice appears in all
- * copies, and that the name of i-cubed limited not be used in
- * advertising or publicity pertaining to distribution of the
- * software without specific, written prior permission.
- * i-cubed limited makes no representations about the suitability
- * of this software for any purpose.
- *
- * Derived from c/src/exec/cpu/no_cpu/cpu_asm.c:
- *
- * COPYRIGHT (c) 1989-1997.
- * On-Line Applications Research Corporation (OAR).
- *
- * The license and distribution terms for this file may in
- * the file LICENSE in this distribution or at
- * http://www.rtems.com/license/LICENSE.
- *
- * $Id$
- */
-
-#include <rtems/asm.h>
-#include <rtems/powerpc/powerpc.h>
-
-/*
- * Offsets for various Contexts
- */
- .set GP_1, 0
- .set GP_2, (GP_1 + 4)
- .set GP_13, (GP_2 + 4)
- .set GP_14, (GP_13 + 4)
-
- .set GP_15, (GP_14 + 4)
- .set GP_16, (GP_15 + 4)
- .set GP_17, (GP_16 + 4)
- .set GP_18, (GP_17 + 4)
-
- .set GP_19, (GP_18 + 4)
- .set GP_20, (GP_19 + 4)
- .set GP_21, (GP_20 + 4)
- .set GP_22, (GP_21 + 4)
-
- .set GP_23, (GP_22 + 4)
- .set GP_24, (GP_23 + 4)
- .set GP_25, (GP_24 + 4)
- .set GP_26, (GP_25 + 4)
-
- .set GP_27, (GP_26 + 4)
- .set GP_28, (GP_27 + 4)
- .set GP_29, (GP_28 + 4)
- .set GP_30, (GP_29 + 4)
-
- .set GP_31, (GP_30 + 4)
- .set GP_CR, (GP_31 + 4)
- .set GP_PC, (GP_CR + 4)
- .set GP_MSR, (GP_PC + 4)
-
-#if (PPC_HAS_DOUBLE==1)
- .set FP_SIZE, 8
-#define LDF lfd
-#define STF stfd
-#else
- .set FP_SIZE, 4
-#define LDF lfs
-#define STF stfs
-#endif
-
- .set FP_0, 0
- .set FP_1, (FP_0 + FP_SIZE)
- .set FP_2, (FP_1 + FP_SIZE)
- .set FP_3, (FP_2 + FP_SIZE)
- .set FP_4, (FP_3 + FP_SIZE)
- .set FP_5, (FP_4 + FP_SIZE)
- .set FP_6, (FP_5 + FP_SIZE)
- .set FP_7, (FP_6 + FP_SIZE)
- .set FP_8, (FP_7 + FP_SIZE)
- .set FP_9, (FP_8 + FP_SIZE)
- .set FP_10, (FP_9 + FP_SIZE)
- .set FP_11, (FP_10 + FP_SIZE)
- .set FP_12, (FP_11 + FP_SIZE)
- .set FP_13, (FP_12 + FP_SIZE)
- .set FP_14, (FP_13 + FP_SIZE)
- .set FP_15, (FP_14 + FP_SIZE)
- .set FP_16, (FP_15 + FP_SIZE)
- .set FP_17, (FP_16 + FP_SIZE)
- .set FP_18, (FP_17 + FP_SIZE)
- .set FP_19, (FP_18 + FP_SIZE)
- .set FP_20, (FP_19 + FP_SIZE)
- .set FP_21, (FP_20 + FP_SIZE)
- .set FP_22, (FP_21 + FP_SIZE)
- .set FP_23, (FP_22 + FP_SIZE)
- .set FP_24, (FP_23 + FP_SIZE)
- .set FP_25, (FP_24 + FP_SIZE)
- .set FP_26, (FP_25 + FP_SIZE)
- .set FP_27, (FP_26 + FP_SIZE)
- .set FP_28, (FP_27 + FP_SIZE)
- .set FP_29, (FP_28 + FP_SIZE)
- .set FP_30, (FP_29 + FP_SIZE)
- .set FP_31, (FP_30 + FP_SIZE)
- .set FP_FPSCR, (FP_31 + FP_SIZE)
-
- .set IP_LINK, 0
- .set IP_0, (IP_LINK + 8)
- .set IP_2, (IP_0 + 4)
-
- .set IP_3, (IP_2 + 4)
- .set IP_4, (IP_3 + 4)
- .set IP_5, (IP_4 + 4)
- .set IP_6, (IP_5 + 4)
-
- .set IP_7, (IP_6 + 4)
- .set IP_8, (IP_7 + 4)
- .set IP_9, (IP_8 + 4)
- .set IP_10, (IP_9 + 4)
-
- .set IP_11, (IP_10 + 4)
- .set IP_12, (IP_11 + 4)
- .set IP_13, (IP_12 + 4)
- .set IP_28, (IP_13 + 4)
-
- .set IP_29, (IP_28 + 4)
- .set IP_30, (IP_29 + 4)
- .set IP_31, (IP_30 + 4)
- .set IP_CR, (IP_31 + 4)
-
- .set IP_CTR, (IP_CR + 4)
- .set IP_XER, (IP_CTR + 4)
- .set IP_LR, (IP_XER + 4)
- .set IP_PC, (IP_LR + 4)
-
- .set IP_MSR, (IP_PC + 4)
- .set IP_END, (IP_MSR + 16)
-
- BEGIN_CODE
-/*
- * _CPU_Context_save_fp_context
- *
- * This routine is responsible for saving the FP context
- * at *fp_context_ptr. If the point to load the FP context
- * from is changed then the pointer is modified by this routine.
- *
- * Sometimes a macro implementation of this is in cpu.h which dereferences
- * the ** and a similarly named routine in this file is passed something
- * like a (Context_Control_fp *). The general rule on making this decision
- * is to avoid writing assembly language.
- */
-
- ALIGN (PPC_CACHE_ALIGNMENT, PPC_CACHE_ALIGN_POWER)
- PUBLIC_PROC (_CPU_Context_save_fp)
-PROC (_CPU_Context_save_fp):
-#if (PPC_HAS_FPU == 1)
- lwz r3, 0(r3)
- STF f0, FP_0(r3)
- STF f1, FP_1(r3)
- STF f2, FP_2(r3)
- STF f3, FP_3(r3)
- STF f4, FP_4(r3)
- STF f5, FP_5(r3)
- STF f6, FP_6(r3)
- STF f7, FP_7(r3)
- STF f8, FP_8(r3)
- STF f9, FP_9(r3)
- STF f10, FP_10(r3)
- STF f11, FP_11(r3)
- STF f12, FP_12(r3)
- STF f13, FP_13(r3)
- STF f14, FP_14(r3)
- STF f15, FP_15(r3)
- STF f16, FP_16(r3)
- STF f17, FP_17(r3)
- STF f18, FP_18(r3)
- STF f19, FP_19(r3)
- STF f20, FP_20(r3)
- STF f21, FP_21(r3)
- STF f22, FP_22(r3)
- STF f23, FP_23(r3)
- STF f24, FP_24(r3)
- STF f25, FP_25(r3)
- STF f26, FP_26(r3)
- STF f27, FP_27(r3)
- STF f28, FP_28(r3)
- STF f29, FP_29(r3)
- STF f30, FP_30(r3)
- STF f31, FP_31(r3)
- mffs f2
- STF f2, FP_FPSCR(r3)
-#endif
- blr
-
-/*
- * _CPU_Context_restore_fp_context
- *
- * This routine is responsible for restoring the FP context
- * at *fp_context_ptr. If the point to load the FP context
- * from is changed then the pointer is modified by this routine.
- *
- * Sometimes a macro implementation of this is in cpu.h which dereferences
- * the ** and a similarly named routine in this file is passed something
- * like a (Context_Control_fp *). The general rule on making this decision
- * is to avoid writing assembly language.
- */
-
- ALIGN (PPC_CACHE_ALIGNMENT, PPC_CACHE_ALIGN_POWER)
- PUBLIC_PROC (_CPU_Context_restore_fp)
-PROC (_CPU_Context_restore_fp):
-#if (PPC_HAS_FPU == 1)
- lwz r3, 0(r3)
- LDF f2, FP_FPSCR(r3)
- mtfsf 255, f2
- LDF f0, FP_0(r3)
- LDF f1, FP_1(r3)
- LDF f2, FP_2(r3)
- LDF f3, FP_3(r3)
- LDF f4, FP_4(r3)
- LDF f5, FP_5(r3)
- LDF f6, FP_6(r3)
- LDF f7, FP_7(r3)
- LDF f8, FP_8(r3)
- LDF f9, FP_9(r3)
- LDF f10, FP_10(r3)
- LDF f11, FP_11(r3)
- LDF f12, FP_12(r3)
- LDF f13, FP_13(r3)
- LDF f14, FP_14(r3)
- LDF f15, FP_15(r3)
- LDF f16, FP_16(r3)
- LDF f17, FP_17(r3)
- LDF f18, FP_18(r3)
- LDF f19, FP_19(r3)
- LDF f20, FP_20(r3)
- LDF f21, FP_21(r3)
- LDF f22, FP_22(r3)
- LDF f23, FP_23(r3)
- LDF f24, FP_24(r3)
- LDF f25, FP_25(r3)
- LDF f26, FP_26(r3)
- LDF f27, FP_27(r3)
- LDF f28, FP_28(r3)
- LDF f29, FP_29(r3)
- LDF f30, FP_30(r3)
- LDF f31, FP_31(r3)
-#endif
- blr
-
-/* _CPU_Context_switch
- *
- * This routine performs a normal non-FP context switch.
- */
- ALIGN (PPC_CACHE_ALIGNMENT, PPC_CACHE_ALIGN_POWER)
- PUBLIC_PROC (_CPU_Context_switch)
-PROC (_CPU_Context_switch):
- sync
- isync
- /* This assumes that all the registers are in the given order */
- li r5, 32
- addi r3,r3,-4
-#if ( PPC_USE_DATA_CACHE )
- dcbz r5, r3
-#endif
- stw r1, GP_1+4(r3)
- stw r2, GP_2+4(r3)
-#if (PPC_USE_MULTIPLE == 1)
- addi r3, r3, GP_18+4
-#if ( PPC_USE_DATA_CACHE )
- dcbz r5, r3
-#endif
- stmw r13, GP_13-GP_18(r3)
-#else
- stw r13, GP_13+4(r3)
- stw r14, GP_14+4(r3)
- stw r15, GP_15+4(r3)
- stw r16, GP_16+4(r3)
- stw r17, GP_17+4(r3)
- stwu r18, GP_18+4(r3)
-#if ( PPC_USE_DATA_CACHE )
- dcbz r5, r3
-#endif
- stw r19, GP_19-GP_18(r3)
- stw r20, GP_20-GP_18(r3)
- stw r21, GP_21-GP_18(r3)
- stw r22, GP_22-GP_18(r3)
- stw r23, GP_23-GP_18(r3)
- stw r24, GP_24-GP_18(r3)
- stw r25, GP_25-GP_18(r3)
- stw r26, GP_26-GP_18(r3)
- stw r27, GP_27-GP_18(r3)
- stw r28, GP_28-GP_18(r3)
- stw r29, GP_29-GP_18(r3)
- stw r30, GP_30-GP_18(r3)
- stw r31, GP_31-GP_18(r3)
-#endif
-#if ( PPC_USE_DATA_CACHE )
- dcbt r0, r4
-#endif
- mfcr r6
- stw r6, GP_CR-GP_18(r3)
- mflr r7
- stw r7, GP_PC-GP_18(r3)
- mfmsr r8
- stw r8, GP_MSR-GP_18(r3)
-
-#if ( PPC_USE_DATA_CACHE )
- dcbt r5, r4
-#endif
- lwz r1, GP_1(r4)
- lwz r2, GP_2(r4)
-#if (PPC_USE_MULTIPLE == 1)
- addi r4, r4, GP_19
-#if ( PPC_USE_DATA_CACHE )
- dcbt r5, r4
-#endif
- lmw r13, GP_13-GP_19(r4)
-#else
- lwz r13, GP_13(r4)
- lwz r14, GP_14(r4)
- lwz r15, GP_15(r4)
- lwz r16, GP_16(r4)
- lwz r17, GP_17(r4)
- lwz r18, GP_18(r4)
- lwzu r19, GP_19(r4)
-#if ( PPC_USE_DATA_CACHE )
- dcbt r5, r4
-#endif
- lwz r20, GP_20-GP_19(r4)
- lwz r21, GP_21-GP_19(r4)
- lwz r22, GP_22-GP_19(r4)
- lwz r23, GP_23-GP_19(r4)
- lwz r24, GP_24-GP_19(r4)
- lwz r25, GP_25-GP_19(r4)
- lwz r26, GP_26-GP_19(r4)
- lwz r27, GP_27-GP_19(r4)
- lwz r28, GP_28-GP_19(r4)
- lwz r29, GP_29-GP_19(r4)
- lwz r30, GP_30-GP_19(r4)
- lwz r31, GP_31-GP_19(r4)
-#endif
- lwz r6, GP_CR-GP_19(r4)
- lwz r7, GP_PC-GP_19(r4)
- lwz r8, GP_MSR-GP_19(r4)
- mtcrf 255, r6
- mtlr r7
- mtmsr r8
-
- blr
-
-/*
- * _CPU_Context_restore
- *
- * This routine is generallu used only to restart self in an
- * efficient manner. It may simply be a label in _CPU_Context_switch.
- *
- * NOTE: May be unnecessary to reload some registers.
- */
-/*
- * ACB: Don't worry about cache optimisation here - this is not THAT critical.
- */
- ALIGN (PPC_CACHE_ALIGNMENT, PPC_CACHE_ALIGN_POWER)
- PUBLIC_PROC (_CPU_Context_restore)
-PROC (_CPU_Context_restore):
- lwz r5, GP_CR(r3)
- lwz r6, GP_PC(r3)
- lwz r7, GP_MSR(r3)
- mtcrf 255, r5
- mtlr r6
- mtmsr r7
- lwz r1, GP_1(r3)
- lwz r2, GP_2(r3)
-#if (PPC_USE_MULTIPLE == 1)
- lmw r13, GP_13(r3)
-#else
- lwz r13, GP_13(r3)
- lwz r14, GP_14(r3)
- lwz r15, GP_15(r3)
- lwz r16, GP_16(r3)
- lwz r17, GP_17(r3)
- lwz r18, GP_18(r3)
- lwz r19, GP_19(r3)
- lwz r20, GP_20(r3)
- lwz r21, GP_21(r3)
- lwz r22, GP_22(r3)
- lwz r23, GP_23(r3)
- lwz r24, GP_24(r3)
- lwz r25, GP_25(r3)
- lwz r26, GP_26(r3)
- lwz r27, GP_27(r3)
- lwz r28, GP_28(r3)
- lwz r29, GP_29(r3)
- lwz r30, GP_30(r3)
- lwz r31, GP_31(r3)
-#endif
-
- blr