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LoongArch64: Add stack layout

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Co-developed-by: Qiqi Huang <huangqiqi@loongson.cn>
This commit is contained in:
Xiaolin Zhao 2022-07-27 15:56:23 +08:00
parent 045d62c170
commit 542326548e
2 changed files with 79 additions and 0 deletions
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9
src/lj_frame.h
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@ -264,6 +264,15 @@ enum { LJ_CONT_TAILCALL, LJ_CONT_FFI_CALLBACK }; /* Special continuations. */
#endif #endif
#define CFRAME_OFS_MULTRES 0 #define CFRAME_OFS_MULTRES 0
#define CFRAME_SHIFT_MULTRES 3 #define CFRAME_SHIFT_MULTRES 3
#elif LJ_TARGET_LOONGARCH64
#define CFRAME_OFS_ERRF 196
#define CFRAME_OFS_NRES 192
#define CFRAME_OFS_PREV 184
#define CFRAME_OFS_L 176
#define CFRAME_OFS_PC 168
#define CFRAME_SIZE 200
#define CFRAME_OFS_MULTRES 0
#define CFRAME_SHIFT_MULTRES 3
#else #else
#error "Missing CFRAME_* definitions for this architecture" #error "Missing CFRAME_* definitions for this architecture"
#endif #endif

70
src/vm_loongarch64.dasc
View File

@ -72,3 +72,73 @@
|.define FCC0, fcc0 |.define FCC0, fcc0
|.define FCC1, fcc1 |.define FCC1, fcc1
| |
|// Stack layout while in interpreter. Must match with lj_frame.h.
|// LoongArch64 hard-float.
|
|.define CFRAME_SPACE, 200 // Delta for sp.
|
|//----- 16 byte aligned, <-- sp entering interpreter
|.define SAVE_ERRF, 196 // 32 bit values.
|.define SAVE_NRES, 192
|.define SAVE_CFRAME, 184 // 64 bit values.
|.define SAVE_L, 176
|.define SAVE_PC, 168
|//----- 16 byte aligned
|.define SAVE_GPR_, 80 // .. 80+11*8: 64 bit GPR saves.
|.define SAVE_FPR_, 16 // .. 16+8*8: 64 bit FPR saves.
|
|
|.define TMPD, 0
|//----- 16 byte aligned
|
|.define TMPD_OFS, 0
|
|//-----------------------------------------------------------------------
|
|.macro saveregs
| addi.d sp, sp, -CFRAME_SPACE
| st.d ra, SAVE_GPR_+10*8(sp)
| st.d r22, SAVE_GPR_+9*8(sp)
| st.d r31, SAVE_GPR_+8*8(sp)
| fst.d f31, SAVE_FPR_+7*8(sp)
| st.d r30, SAVE_GPR_+7*8(sp)
| fst.d f30, SAVE_FPR_+6*8(sp)
| st.d r29, SAVE_GPR_+6*8(sp)
| fst.d f29, SAVE_FPR_+5*8(sp)
| st.d r28, SAVE_GPR_+5*8(sp)
| fst.d f28, SAVE_FPR_+4*8(sp)
| st.d r27, SAVE_GPR_+4*8(sp)
| fst.d f27, SAVE_FPR_+3*8(sp)
| st.d r26, SAVE_GPR_+3*8(sp)
| fst.d f26, SAVE_FPR_+2*8(sp)
| st.d r25, SAVE_GPR_+2*8(sp)
| fst.d f25, SAVE_FPR_+1*8(sp)
| st.d r24, SAVE_GPR_+1*8(sp)
| fst.d f24, SAVE_FPR_+0*8(sp)
| st.d r23, SAVE_GPR_+0*8(sp)
|.endmacro
|
|.macro restoreregs_ret
| ld.d ra, SAVE_GPR_+10*8(sp)
| ld.d r22, SAVE_GPR_+9*8(sp)
| ld.d r31, SAVE_GPR_+8*8(sp)
| ld.d r30, SAVE_GPR_+7*8(sp)
| fld.d f31, SAVE_FPR_+7*8(sp)
| ld.d r29, SAVE_GPR_+6*8(sp)
| fld.d f30, SAVE_FPR_+6*8(sp)
| ld.d r28, SAVE_GPR_+5*8(sp)
| fld.d f29, SAVE_FPR_+5*8(sp)
| ld.d r27, SAVE_GPR_+4*8(sp)
| fld.d f28, SAVE_FPR_+4*8(sp)
| ld.d r26, SAVE_GPR_+3*8(sp)
| fld.d f27, SAVE_FPR_+3*8(sp)
| ld.d r25, SAVE_GPR_+2*8(sp)
| fld.d f26, SAVE_FPR_+2*8(sp)
| ld.d r24, SAVE_GPR_+1*8(sp)
| fld.d f25, SAVE_FPR_+1*8(sp)
| ld.d r23, SAVE_GPR_+0*8(sp)
| fld.d f24, SAVE_FPR_+0*8(sp)
| addi.d sp, sp, CFRAME_SPACE
| jirl r0, ra, 0
|.endmacro
|