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diff gen_arm.h @ 553:1af6c1052993

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Added untested code for generating ARM machine code
author Mike Pavone <pavone@retrodev.com>
date Sun, 23 Feb 2014 21:37:19 -0800
parents
children c8fefa140c80
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gen_arm.h	Sun Feb 23 21:37:19 2014 -0800
@@ -0,0 +1,159 @@
+/*
+ Copyright 2014 Michael Pavone
+ This file is part of BlastEm.
+ BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text.
+*/
+#ifndef GEN_ARM_H_
+#define GEN_ARM_H_
+
+#include <stdint.h>
+
+typedef struct {
+	uint32_t *cur;
+	uint32_t *last;
+} code_info;
+
+#define SET_COND 0x100000u
+#define NO_COND  0u
+
+#define CC_FIELD_SHIFT 28
+
+#define CC_EQ 0x0u
+#define CC_NE (0x1u << CC_FIELD_SHIFT)
+#define CC_CS (0x2u << CC_FIELD_SHIFT)
+#define CC_CC (0x3u << CC_FIELD_SHIFT)
+#define CC_MI (0x4u << CC_FIELD_SHIFT)
+#define CC_PL (0x5u << CC_FIELD_SHIFT)
+#define CC_VS (0x6u << CC_FIELD_SHIFT)
+#define CC_VC (0x7u << CC_FIELD_SHIFT)
+#define CC_HI (0x8u << CC_FIELD_SHIFT)
+#define CC_LS (0x9u << CC_FIELD_SHIFT)
+#define CC_GE (0xAu << CC_FIELD_SHIFT)
+#define CC_LT (0xBu << CC_FIELD_SHIFT)
+#define CC_GT (0xCu << CC_FIELD_SHIFT)
+#define CC_LE (0xDu << CC_FIELD_SHIFT)
+#define CC_AL (0xEu << CC_FIELD_SHIFT)
+
+#define INVALID_IMMED 0xFFFFFFFFu
+#define CODE_OK 0u
+
+enum {
+	r0,
+	r1,
+	r2,
+	r3,
+	r4,
+	r5,
+	r6,
+	r7,
+	r8,
+	r9,
+	r10,
+	r11,
+	r12,
+	sp,
+	lr,
+	pc
+};
+
+#define R0  0x1
+#define R1  0x2
+#define R2  0x4
+#define R3  0x8
+#define R4  0x10
+#define R5  0x20
+#define R6  0x40
+#define R7  0x80
+#define R8  0x100
+#define R9  0x200
+#define R10 0x400
+#define R11 0x800
+#define R12 0x1000
+#define SP  0x2000
+#define LR  0x4000
+#define PC  0x8000
+
+void init_code_info(code_info *code);
+
+uint32_t and(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
+uint32_t andi(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
+uint32_t and_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
+uint32_t andi_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
+uint32_t eor(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
+uint32_t eori(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
+uint32_t eor_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
+uint32_t eori_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
+uint32_t sub(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
+uint32_t subi(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
+uint32_t sub_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
+uint32_t subi_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
+uint32_t rsb(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
+uint32_t rsbi(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
+uint32_t rsb_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
+uint32_t rsbi_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
+uint32_t add(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
+uint32_t addi(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
+uint32_t add_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
+uint32_t addi_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
+uint32_t adc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
+uint32_t adci(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
+uint32_t adc_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
+uint32_t adci_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
+uint32_t sbc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
+uint32_t sbci(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
+uint32_t sbc_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
+uint32_t sbci_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
+uint32_t rsc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
+uint32_t rsci(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
+uint32_t rsc_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
+uint32_t rsci_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
+uint32_t tst(code_info *code, uint32_t src1, uint32_t src2);
+uint32_t tsti(code_info *code, uint32_t src1, uint32_t immed);
+uint32_t tst_cc(code_info *code, uint32_t src1, uint32_t src2, uint32_t cc);
+uint32_t tsti_cc(code_info *code, uint32_t src1, uint32_t immed, uint32_t cc);
+uint32_t teq(code_info *code, uint32_t src1, uint32_t src2);
+uint32_t teqi(code_info *code, uint32_t src1, uint32_t immed);
+uint32_t teq_cc(code_info *code, uint32_t src1, uint32_t src2, uint32_t cc);
+uint32_t teqi_cc(code_info *code, uint32_t src1, uint32_t immed, uint32_t cc);
+uint32_t cmp(code_info *code, uint32_t src1, uint32_t src2);
+uint32_t cmpi(code_info *code, uint32_t src1, uint32_t immed);
+uint32_t cmp_cc(code_info *code, uint32_t src1, uint32_t src2, uint32_t cc);
+uint32_t cmpi_cc(code_info *code, uint32_t src1, uint32_t immed, uint32_t cc);
+uint32_t cmn(code_info *code, uint32_t src1, uint32_t src2);
+uint32_t cmni(code_info *code, uint32_t src1, uint32_t immed);
+uint32_t cmn_cc(code_info *code, uint32_t src1, uint32_t src2, uint32_t cc);
+uint32_t cmni_cc(code_info *code, uint32_t src1, uint32_t immed, uint32_t cc);
+uint32_t orr(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
+uint32_t orri(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
+uint32_t orr_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
+uint32_t orri_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
+uint32_t mov(code_info *code, uint32_t dst, uint32_t src2, uint32_t set_cond);
+uint32_t movi(code_info *code, uint32_t dst, uint32_t immed, uint32_t set_cond);
+uint32_t mov_cc(code_info *code, uint32_t dst, uint32_t src2, uint32_t cc, uint32_t set_cond);
+uint32_t movi_cc(code_info *code, uint32_t dst, uint32_t immed, uint32_t cc, uint32_t set_cond);
+uint32_t bic(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
+uint32_t bici(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
+uint32_t bic_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
+uint32_t bici_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
+uint32_t mvn(code_info *code, uint32_t dst, uint32_t src2, uint32_t set_cond);
+uint32_t mvni(code_info *code, uint32_t dst, uint32_t immed, uint32_t set_cond);
+uint32_t mvn_cc(code_info *code, uint32_t dst, uint32_t src2, uint32_t cc, uint32_t set_cond);
+uint32_t mvni_cc(code_info *code, uint32_t dst, uint32_t immed, uint32_t cc, uint32_t set_cond);
+
+uint32_t b(code_info *code, uint32_t *dst);
+uint32_t b_cc(code_info *code, uint32_t *dst, uint32_t cc);
+uint32_t bl(code_info *code, uint32_t *dst);
+uint32_t bl_cc(code_info *code, uint32_t *dst, uint32_t cc);
+uint32_t bx(code_info *code, uint32_t dst);
+uint32_t bx_cc(code_info *code, uint32_t dst, uint32_t cc);
+
+uint32_t push(code_info *code, uint32_t reg);
+uint32_t push_cc(code_info *code, uint32_t reg, uint32_t cc);
+uint32_t pushm(code_info *code, uint32_t reglist);
+uint32_t pushm_cc(code_info *code, uint32_t reglist, uint32_t cc);
+uint32_t pop(code_info *code, uint32_t reg);
+uint32_t pop_cc(code_info *code, uint32_t reg, uint32_t cc);
+uint32_t popm(code_info *code, uint32_t reglist);
+uint32_t popm_cc(code_info *code, uint32_t reglist, uint32_t cc);
+
+#endif //GEN_ARM_H_