Initial import of qemu-2.4.1HEADmaster

1 files changed, 109 insertions, 0 deletions

diff --git a/tcg/arm/tcg-target.h b/tcg/arm/tcg-target.h
new file mode 100644
index 00000000..6559f80b
--- /dev/null
+++ b/tcg/arm/tcg-target.h
@@ -0,0 +1,109 @@
+/*
+ * Tiny Code Generator for QEMU
+ *
+ * Copyright (c) 2008 Fabrice Bellard
+ * Copyright (c) 2008 Andrzej Zaborowski
+ *
+ * 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_ARM 
+#define TCG_TARGET_ARM 1
+
+#undef TCG_TARGET_STACK_GROWSUP
+#define TCG_TARGET_INSN_UNIT_SIZE 4
+#define TCG_TARGET_TLB_DISPLACEMENT_BITS 16
+
+typedef enum {
+    TCG_REG_R0 = 0,
+    TCG_REG_R1,
+    TCG_REG_R2,
+    TCG_REG_R3,
+    TCG_REG_R4,
+    TCG_REG_R5,
+    TCG_REG_R6,
+    TCG_REG_R7,
+    TCG_REG_R8,
+    TCG_REG_R9,
+    TCG_REG_R10,
+    TCG_REG_R11,
+    TCG_REG_R12,
+    TCG_REG_R13,
+    TCG_REG_R14,
+    TCG_REG_PC,
+} TCGReg;
+
+#define TCG_TARGET_NB_REGS 16
+
+#ifdef __ARM_ARCH_EXT_IDIV__
+#define use_idiv_instructions  1
+#else
+extern bool use_idiv_instructions;
+#endif
+
+
+/* used for function call generation */
+#define TCG_REG_CALL_STACK		TCG_REG_R13
+#define TCG_TARGET_STACK_ALIGN		8
+#define TCG_TARGET_CALL_ALIGN_ARGS	1
+#define TCG_TARGET_CALL_STACK_OFFSET	0
+
+/* optional instructions */
+#define TCG_TARGET_HAS_ext8s_i32        1
+#define TCG_TARGET_HAS_ext16s_i32       1
+#define TCG_TARGET_HAS_ext8u_i32        0 /* and r0, r1, #0xff */
+#define TCG_TARGET_HAS_ext16u_i32       1
+#define TCG_TARGET_HAS_bswap16_i32      1
+#define TCG_TARGET_HAS_bswap32_i32      1
+#define TCG_TARGET_HAS_not_i32          1
+#define TCG_TARGET_HAS_neg_i32          1
+#define TCG_TARGET_HAS_rot_i32          1
+#define TCG_TARGET_HAS_andc_i32         1
+#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_nor_i32          0
+#define TCG_TARGET_HAS_deposit_i32      1
+#define TCG_TARGET_HAS_movcond_i32      1
+#define TCG_TARGET_HAS_mulu2_i32        1
+#define TCG_TARGET_HAS_muls2_i32        1
+#define TCG_TARGET_HAS_muluh_i32        0
+#define TCG_TARGET_HAS_mulsh_i32        0
+#define TCG_TARGET_HAS_div_i32          use_idiv_instructions
+#define TCG_TARGET_HAS_rem_i32          0
+
+extern bool tcg_target_deposit_valid(int ofs, int len);
+#define TCG_TARGET_deposit_i32_valid  tcg_target_deposit_valid
+
+enum {
+    TCG_AREG0 = TCG_REG_R6,
+};
+
+static inline void flush_icache_range(uintptr_t start, uintptr_t stop)
+{
+#if QEMU_GNUC_PREREQ(4, 1)
+    __builtin___clear_cache((char *) start, (char *) stop);
+#else
+    register uintptr_t _beg __asm("a1") = start;
+    register uintptr_t _end __asm("a2") = stop;
+    register uintptr_t _flg __asm("a3") = 0;
+    __asm __volatile__ ("swi 0x9f0002" : : "r" (_beg), "r" (_end), "r" (_flg));
+#endif
+}
+
+#endif