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PPC: Add stack frame layout for PPCSPE target.

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PPCSPE target compiles now, but will trap for any NYI parts.
Cross-compilation instructions:
  make HOST_CC="gcc -m32" CROSS=powerpc-e500v2-linux-gnuspe- TARGET=ppcspe
This commit is contained in:
Mike Pall
2010-08-27 18:32:24 +02:00
parent b3bd9b55e0
commit 9cb5046c3f
4 changed files with 69 additions and 3 deletions
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56
src/buildvm_ppc.dasc
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@@ -16,6 +16,62 @@
|
|//-----------------------------------------------------------------------
|
|// Stack layout while in interpreter. Must match with lj_frame.h.
|.if SPE
|.define SAVE_LR, 180(sp)
|.define CFRAME_SPACE, 176 // Delta for sp.
|// Back chain for sp: 176(sp) <-- sp entering interpreter
|.define SAVE_r31, 168(sp) // 64 bit register saves.
|.define SAVE_r30, 160(sp)
|.define SAVE_r29, 152(sp)
|.define SAVE_r28, 144(sp)
|.define SAVE_r27, 136(sp)
|.define SAVE_r26, 128(sp)
|.define SAVE_r25, 120(sp)
|.define SAVE_r24, 112(sp)
|.define SAVE_r23, 104(sp)
|.define SAVE_r22, 96(sp)
|.define SAVE_r21, 88(sp)
|.define SAVE_r20, 80(sp)
|.define SAVE_r19, 72(sp)
|.define SAVE_r18, 64(sp)
|.define SAVE_r17, 56(sp)
|.define SAVE_r16, 48(sp)
|.define SAVE_r15, 40(sp)
|.define SAVE_r14, 32(sp)
|.define SAVE_ERRF, 28(sp) // 32 bit C frame info.
|.define SAVE_NRES, 24(sp)
|.define SAVE_CFRAME, 20(sp)
|.define SAVE_L, 16(sp)
|.define SAVE_PC, 12(sp)
|.define SAVE_MULTRES, 8(sp)
|// Next frame lr: 4(sp)
|// Back chain for sp: 0(sp) <-- sp while in interpreter
|
|.macro save_, reg; evstdd reg, SAVE_..reg; .endmacro
|.macro rest_, reg; evldd reg, SAVE_..reg; .endmacro
|.endif
|
|.macro saveregs
| stwu sp, -CFRAME_SPACE(sp)
| save_ r14; save_ r15; save_ r16; save_ r17; save_ r18; save_ r19
| mflr r0
| save_ r20; save_ r21; save_ r22; save_ r23; save_ r24; save_ r25
| stw r0, SAVE_LR
| save_ r26; save_ r27; save_ r28; save_ r29; save_ r30; save_ r31
|.endmacro
|
|.macro restoreregs
| lwz r0, SAVE_LR
| rest_ r14; rest_ r15; rest_ r16; rest_ r17; rest_ r18; rest_ r19
| mtlr r0
| rest_ r20; rest_ r21; rest_ r22; rest_ r23; rest_ r24; rest_ r25
| rest_ r26; rest_ r27; rest_ r28; rest_ r29; rest_ r30; rest_ r31
| addi sp, sp, CFRAME_SPACE
|.endmacro
|
|//-----------------------------------------------------------------------
|
|// Trap for not-yet-implemented parts.
|.macro NYI; tw 4, sp, sp; .endmacro
|