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riscv(interp): add frame definition

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gns 2024-03-05 18:05:22 +08:00 committed by gns
parent 5a70472773
commit e3b19286cd
2 changed files with 92 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
#define CFRAME_OFS_MULTRES 0
#define CFRAME_SHIFT_MULTRES 3
#elif LJ_TARGET_RISCV64
#define CFRAME_OFS_ERRF 252
#define CFRAME_OFS_NRES 248
#define CFRAME_OFS_PREV 240
#define CFRAME_OFS_L 232
#define CFRAME_OFS_PC 224
#define CFRAME_OFS_MULTRES 0
#define CFRAME_SIZE 256
#define CFRAME_SHIFT_MULTRES 3
#else
#error "Missing CFRAME_* definitions for this architecture"
#endif

83
src/vm_riscv64.dasc
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@ -80,3 +80,86 @@
|.define FTMP2, f2
|.define FTMP3, f3
|.define FTMP4, f4
|
|// Stack layout while in interpreter. Must match with lj_frame.h.
|// RISC-V 64 lp64d.
|
|.define CFRAME_SPACE, 256 // Delta for sp.
|
|//----- 16 byte aligned, <-- sp entering interpreter
|.define SAVE_ERRF, 252 // 32 bit values.
|.define SAVE_NRES, 248
|.define SAVE_CFRAME, 240 // 64 bit values.
|.define SAVE_L, 232
|.define SAVE_PC, 224
|//----- 16 byte aligned
|// Padding 216
|.define SAVE_GPR_, 112 // .. 112+13*8: 64 bit GPR saves.
|.define SAVE_FPR_, 16 // .. 16+12*8: 64 bit FPR saves.
|
|
|.define TMPD, 0
|//----- 16 byte aligned
|
|.define TMPD_OFS, 0
|
|//-----------------------------------------------------------------------
|
|.macro saveregs
| addi sp, sp, -CFRAME_SPACE
| fsd f27, SAVE_FPR_+11*8(sp)
| fsd f26, SAVE_FPR_+10*8(sp)
| fsd f25, SAVE_FPR_+9*8(sp)
| fsd f24, SAVE_FPR_+8*8(sp)
| fsd f23, SAVE_FPR_+7*8(sp)
| fsd f22, SAVE_FPR_+6*8(sp)
| fsd f21, SAVE_FPR_+5*8(sp)
| fsd f20, SAVE_FPR_+4*8(sp)
| fsd f19, SAVE_FPR_+3*8(sp)
| fsd f18, SAVE_FPR_+2*8(sp)
| fsd f9, SAVE_FPR_+1*8(sp)
| fsd f8, SAVE_FPR_+0*8(sp)
| sd ra, SAVE_GPR_+12*8(sp)
| sd x27, SAVE_GPR_+11*8(sp)
| sd x26, SAVE_GPR_+10*8(sp)
| sd x25, SAVE_GPR_+9*8(sp)
| sd x24, SAVE_GPR_+8*8(sp)
| sd x23, SAVE_GPR_+7*8(sp)
| sd x22, SAVE_GPR_+6*8(sp)
| sd x21, SAVE_GPR_+5*8(sp)
| sd x20, SAVE_GPR_+4*8(sp)
| sd x19, SAVE_GPR_+3*8(sp)
| sd x18, SAVE_GPR_+2*8(sp)
| sd x9, SAVE_GPR_+1*8(sp)
| sd x8, SAVE_GPR_+0*8(sp)
|.endmacro
|
|.macro restoreregs_ret
| ld ra, SAVE_GPR_+12*8(sp)
| ld x27, SAVE_GPR_+11*8(sp)
| ld x26, SAVE_GPR_+10*8(sp)
| ld x25, SAVE_GPR_+9*8(sp)
| ld x24, SAVE_GPR_+8*8(sp)
| ld x23, SAVE_GPR_+7*8(sp)
| ld x22, SAVE_GPR_+6*8(sp)
| ld x21, SAVE_GPR_+5*8(sp)
| ld x20, SAVE_GPR_+4*8(sp)
| ld x19, SAVE_GPR_+3*8(sp)
| ld x18, SAVE_GPR_+2*8(sp)
| ld x9, SAVE_GPR_+1*8(sp)
| ld x8, SAVE_GPR_+0*8(sp)
| fld f27, SAVE_FPR_+11*8(sp)
| fld f26, SAVE_FPR_+10*8(sp)
| fld f25, SAVE_FPR_+9*8(sp)
| fld f24, SAVE_FPR_+8*8(sp)
| fld f23, SAVE_FPR_+7*8(sp)
| fld f22, SAVE_FPR_+6*8(sp)
| fld f21, SAVE_FPR_+5*8(sp)
| fld f20, SAVE_FPR_+4*8(sp)
| fld f19, SAVE_FPR_+3*8(sp)
| fld f18, SAVE_FPR_+2*8(sp)
| fld f9, SAVE_FPR_+1*8(sp)
| fld f8, SAVE_FPR_+0*8(sp)
| addi sp, sp, CFRAME_SPACE
| ret
|.endmacro