--- /dev/null
+/*
+ * Tiny Code Generator for QEMU
+ *
+ * Copyright (c) 2008-2009 Arnaud Patard <arnaud.patard@rtp-net.org>
+ * Copyright (c) 2009 Aurelien Jarno <aurelien@aurel32.net>
+ * Based on i386/tcg-target.c - Copyright (c) 2008 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#ifndef TCG_TARGET_MIPS
+#define TCG_TARGET_MIPS 1
+
+#define TCG_TARGET_INSN_UNIT_SIZE 4
+#define TCG_TARGET_TLB_DISPLACEMENT_BITS 16
+#define TCG_TARGET_NB_REGS 32
+
+typedef enum {
+ TCG_REG_ZERO = 0,
+ TCG_REG_AT,
+ TCG_REG_V0,
+ TCG_REG_V1,
+ TCG_REG_A0,
+ TCG_REG_A1,
+ TCG_REG_A2,
+ TCG_REG_A3,
+ TCG_REG_T0,
+ TCG_REG_T1,
+ TCG_REG_T2,
+ TCG_REG_T3,
+ TCG_REG_T4,
+ TCG_REG_T5,
+ TCG_REG_T6,
+ TCG_REG_T7,
+ TCG_REG_S0,
+ TCG_REG_S1,
+ TCG_REG_S2,
+ TCG_REG_S3,
+ TCG_REG_S4,
+ TCG_REG_S5,
+ TCG_REG_S6,
+ TCG_REG_S7,
+ TCG_REG_T8,
+ TCG_REG_T9,
+ TCG_REG_K0,
+ TCG_REG_K1,
+ TCG_REG_GP,
+ TCG_REG_SP,
+ TCG_REG_S8,
+ TCG_REG_RA,
+
+ TCG_REG_CALL_STACK = TCG_REG_SP,
+ TCG_AREG0 = TCG_REG_S0,
+} TCGReg;
+
+/* used for function call generation */
+#define TCG_TARGET_STACK_ALIGN 8
+#define TCG_TARGET_CALL_STACK_OFFSET 16
+#define TCG_TARGET_CALL_ALIGN_ARGS 1
+
+/* MOVN/MOVZ instructions detection */
+#if (defined(__mips_isa_rev) && (__mips_isa_rev >= 1)) || \
+ defined(_MIPS_ARCH_LOONGSON2E) || defined(_MIPS_ARCH_LOONGSON2F) || \
+ defined(_MIPS_ARCH_MIPS4)
+#define use_movnz_instructions 1
+#else
+extern bool use_movnz_instructions;
+#endif
+
+/* MIPS32 instruction set detection */
+#if defined(__mips_isa_rev) && (__mips_isa_rev >= 1)
+#define use_mips32_instructions 1
+#else
+extern bool use_mips32_instructions;
+#endif
+
+/* MIPS32R2 instruction set detection */
+#if defined(__mips_isa_rev) && (__mips_isa_rev >= 2)
+#define use_mips32r2_instructions 1
+#else
+extern bool use_mips32r2_instructions;
+#endif
+
+/* optional instructions */
+#define TCG_TARGET_HAS_div_i32 1
+#define TCG_TARGET_HAS_rem_i32 1
+#define TCG_TARGET_HAS_not_i32 1
+#define TCG_TARGET_HAS_nor_i32 1
+#define TCG_TARGET_HAS_andc_i32 0
+#define TCG_TARGET_HAS_orc_i32 0
+#define TCG_TARGET_HAS_eqv_i32 0
+#define TCG_TARGET_HAS_nand_i32 0
+#define TCG_TARGET_HAS_mulu2_i32 1
+#define TCG_TARGET_HAS_muls2_i32 1
+#define TCG_TARGET_HAS_muluh_i32 1
+#define TCG_TARGET_HAS_mulsh_i32 1
+
+/* optional instructions detected at runtime */
+#define TCG_TARGET_HAS_movcond_i32 use_movnz_instructions
+#define TCG_TARGET_HAS_bswap16_i32 use_mips32r2_instructions
+#define TCG_TARGET_HAS_bswap32_i32 use_mips32r2_instructions
+#define TCG_TARGET_HAS_deposit_i32 use_mips32r2_instructions
+#define TCG_TARGET_HAS_ext8s_i32 use_mips32r2_instructions
+#define TCG_TARGET_HAS_ext16s_i32 use_mips32r2_instructions
+#define TCG_TARGET_HAS_rot_i32 use_mips32r2_instructions
+
+/* optional instructions automatically implemented */
+#define TCG_TARGET_HAS_neg_i32 0 /* sub rd, zero, rt */
+#define TCG_TARGET_HAS_ext8u_i32 0 /* andi rt, rs, 0xff */
+#define TCG_TARGET_HAS_ext16u_i32 0 /* andi rt, rs, 0xffff */
+
+#ifdef __OpenBSD__
+#include <machine/sysarch.h>
+#else
+#include <sys/cachectl.h>
+#endif
+
+static inline void flush_icache_range(uintptr_t start, uintptr_t stop)
+{
+ cacheflush ((void *)start, stop-start, ICACHE);
+}
+
+#endif
Code Review / kvmfornfv.git / blobdiff