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Beginnings of VFP port to lightening

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This commit is contained in:
Andy Wingo 2019-05-19 23:29:10 +02:00
parent 1ea34693cb
commit 8ce07131f1
2 changed files with 1228 additions and 1595 deletions
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65
lightening/arm-cpu.c
View file

@ -31,11 +31,7 @@
#define ARM_CC_EQ 0x00000000 /* Z=1 */
#define ARM_CC_NE 0x10000000 /* Z=0 */
#define ARM_CC_HS 0x20000000 /* C=1 */
#define ARM_CC_CS ARM_CC_HS
#define ARM_CC_LO 0x30000000 /* C=0 */
#define ARM_CC_CC ARM_CC_LO
#define ARM_CC_MI 0x40000000 /* N=1 */
#define ARM_CC_PL 0x50000000 /* N=0 */
#define ARM_CC_VS 0x60000000 /* V=1 */
#define ARM_CC_VC 0x70000000 /* V=0 */
#define ARM_CC_HI 0x80000000 /* C=1 && Z=0 */
@ -55,7 +51,6 @@
#define THUMB2_MVN 0xea600000
#define THUMB2_MVNI 0xf0600000
#define ARM_S 0x00100000 /* set flags */
#define ARM_ADD 0x00800000
#define THUMB_ADD 0x1800
#define THUMB_ADDX 0x4400
#define THUMB2_ADD 0xeb000000
@ -63,7 +58,6 @@
#define THUMB_ADDI8 0x3000
#define THUMB2_ADDI 0xf1000000
#define THUMB2_ADDWI 0xf2000000
#define ARM_ADC 0x00a00000
#define THUMB_ADC 0x4140
#define THUMB2_ADC 0xeb400000
#define THUMB2_ADCI 0xf1400000
@ -76,55 +70,36 @@
#define THUMB_SBC 0x4180
#define THUMB2_SBC 0xeb600000
#define THUMB2_SBCI 0xf1600000
#define ARM_RSB 0x00600000
#define THUMB_RSBI 0x4240
#define THUMB2_RSBI 0xf1c00000
#define ARM_MUL 0x00000090
#define THUMB_MUL 0x4340
#define THUMB2_MUL 0xfb00f000
#define ARM_UMULL 0x00800090
#define THUMB2_UMULL 0xfba00000
#define THUMB2_SMULL 0xfb800000
#define THUMB_MLS 0xfb000010
#define THUMB2_SDIV 0xfb90f0f0
#define THUMB2_UDIV 0xfbb0f0f0
#define ARM_AND 0x00000000
#define THUMB_AND 0x4000
#define THUMB2_AND 0xea000000
#define THUMB2_ANDI 0xf0000000
#define ARM_BIC 0x01c00000
#define THUMB2_BIC 0xea200000
#define THUMB2_BICI 0xf0200000
#define ARM_ORR 0x01800000
#define THUMB_ORR 0x4300
#define THUMB2_ORR 0xea400000
#define THUMB2_ORRI 0xf0400000
#define ARM_EOR 0x00200000
#define THUMB_EOR 0x4040
#define THUMB2_EOR 0xea800000
#define THUMB2_EORI 0xf0800000
/* >> ARMv6* */
#define ARM_REV 0x06bf0f30
#define THUMB_REV 0xba00
#define THUMB2_REV 0xfa90f080
#define ARM_REV16 0x06bf0fb0
#define THUMB_REV16 0xba40
#define THUMB2_REV16 0xfa90f090
#define THUMB_SXTB 0xb240
#define THUMB2_SXTB 0xfa40f080
#define ARM_UXTB 0x06ef0070
#define THUMB_UXTB 0xb2c0
#define THUMB2_UXTB 0xfa50f080
#define THUMB_SXTH 0xb200
#define THUMB2_SXTH 0xfa00f080
#define ARM_UXTH 0x06ff0070
#define THUMB_UXTH 0xb280
#define THUMB2_UXTH 0xfa10f080
#define ARM_XTR8 0x00000400 /* ?xt? rotate 8 bits */
#define ARM_XTR16 0x00000800 /* ?xt? rotate 16 bits */
#define ARM_XTR24 0x00000c00 /* ?xt? rotate 24 bits */
/* << ARMv6* */
#define ARM_R 0x00000010 /* register shift */
#define ARM_LSL 0x00000000
#define THUMB_LSL 0x4080
#define THUMB2_LSL 0xfa00f000
@ -140,73 +115,48 @@
#define THUMB2_ASR 0xfa40f000
#define THUMB_ASRI 0x1000
#define THUMB2_ASRI 0xea4f0020
#define ARM_ROR 0x00000060
#define ARM_CMP 0x01500000
#define THUMB_CMP 0x4280
#define THUMB_CMPX 0x4500
#define THUMB2_CMP 0xebb00000
#define THUMB_CMPI 0x2800
#define THUMB2_CMPI 0xf1b00000
#define ARM_CMN 0x01700000
#define THUMB_CMN 0x42c0
#define THUMB2_CMN 0xeb100000
#define THUMB2_CMNI 0xf1100000
#define ARM_TST 0x01100000
#define THUMB_TST 0x4200
#define THUMB2_TST 0xea100000
#define THUMB2_TSTI 0xf0100000
#define ARM_TEQ 0x01300000
/* branch */
#define ARM_B 0x0a000000
#define THUMB_CC_B 0xd000
#define THUMB_B 0xe000
#define THUMB2_CC_B 0xf0008000
#define THUMB2_B 0xf0009000
#define ARM_BLI 0x0b000000
#define THUMB2_BLI 0xf000d000
/* ldr/str */
#define ARM_P 0x00800000 /* positive offset */
#define THUMB2_P 0x00000400
#define THUMB2_U 0x00000200
#define THUMB2_W 0x00000100
#define ARM_LDRSB 0x011000d0
#define THUMB_LDRSB 0x5600
#define THUMB2_LDRSB 0xf9100000
#define ARM_LDRSBI 0x015000d0
#define THUMB2_LDRSBI 0xf9100c00
#define THUMB2_LDRSBWI 0xf9900000
#define ARM_LDRB 0x07500000
#define THUMB_LDRB 0x5c00
#define THUMB2_LDRB 0xf8100000
#define ARM_LDRBI 0x05500000
#define THUMB_LDRBI 0x7800
#define THUMB2_LDRBI 0xf8100c00
#define THUMB2_LDRBWI 0xf8900000
#define ARM_LDRSH 0x011000f0
#define THUMB_LDRSH 0x5e00
#define THUMB2_LDRSH 0xf9300000
#define ARM_LDRSHI 0x015000f0
#define THUMB2_LDRSHI 0xf9300c00
#define THUMB2_LDRSHWI 0xf9b00000
#define ARM_LDRH 0x011000b0
#define THUMB_LDRH 0x5a00
#define THUMB2_LDRH 0xf8300000
#define ARM_LDRHI 0x015000b0
#define THUMB_LDRHI 0x8800
#define THUMB2_LDRHI 0xf8300c00
#define THUMB2_LDRHWI 0xf8b00000
#define ARM_LDR 0x07100000
#define THUMB_LDR 0x5800
#define THUMB2_LDR 0xf8500000
#define THUMB2_LDRP 0xf85f0000
#define ARM_LDRI 0x05100000
#define THUMB_LDRI 0x6800
#define THUMB_LDRISP 0x9800
#define THUMB2_LDRI 0xf8500c00
#define THUMB2_LDRWI 0xf8d00000
#define ARM_LDRD 0x010000d0
#define ARM_LDRDI 0x014000d0
#define THUMB2_LDRDI 0xe8500000
#define THUMB_STRB 0x5400
#define THUMB2_STRB 0xf8000000
#define THUMB_STRBI 0x7000
@ -223,23 +173,8 @@
#define THUMB2_STRWI 0xf8c00000
#define THUMB_STRISP 0x9000
#define THUMB2_STRI 0xf8400c00
#define THUMB2_STRDI 0xe8400000
/* ldm/stm */
#define ARM_M 0x08000000
#define ARM_M_L 0x00100000 /* load; store if not set */
#define ARM_M_I 0x00800000 /* inc; dec if not set */
#define ARM_M_B 0x01000000 /* before; after if not set */
#define ARM_M_U 0x00200000 /* update Rn */
#define THUMB2_LDM_W 0x00200000
#define THUMB2_LDM_P 0x00008000
#define THUMB2_LDM_M 0x00004000
#define THUMB_LDMIA 0xc800
#define THUMB2_LDMIA 0xe8900000
#define THUMB2_LDMB 0xe9100000
#define THUMB_PUSH 0xb400
#define THUMB2_PUSH 0xe92d0000
#define THUMB_POP 0xbc00
#define THUMB2_POP 0xe8bd0000
#define _NOREG (jit_gpr_regno(_PC))

1776
lightening/arm-vfp.c
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