aboutsummaryrefslogtreecommitdiff
path: root/libpcsxcore/new_dynarec/arm/assem_arm.h
diff options
context:
space:
mode:
Diffstat (limited to 'libpcsxcore/new_dynarec/arm/assem_arm.h')
-rw-r--r--libpcsxcore/new_dynarec/arm/assem_arm.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/libpcsxcore/new_dynarec/arm/assem_arm.h b/libpcsxcore/new_dynarec/arm/assem_arm.h
new file mode 100644
index 0000000..bb6114c
--- /dev/null
+++ b/libpcsxcore/new_dynarec/arm/assem_arm.h
@@ -0,0 +1,57 @@
+#define HOST_REGS 13
+#define HOST_CCREG 10
+#define HOST_BTREG 8
+#define EXCLUDE_REG 11
+
+#define HOST_IMM8 1
+#define HAVE_CMOV_IMM 1
+#define HAVE_CONDITIONAL_CALL 1
+#define RAM_SIZE 0x200000
+
+#define REG_SHIFT 2
+
+/* ARM calling convention:
+ r0-r3, r12: caller-save
+ r4-r11: callee-save */
+
+#define ARG1_REG 0
+#define ARG2_REG 1
+#define ARG3_REG 2
+#define ARG4_REG 3
+
+/* GCC register naming convention:
+ r10 = sl (base)
+ r11 = fp (frame pointer)
+ r12 = ip (scratch)
+ r13 = sp (stack pointer)
+ r14 = lr (link register)
+ r15 = pc (program counter) */
+
+#define FP 11
+#define LR 14
+#define HOST_TEMPREG 14
+
+// Note: FP is set to &dynarec_local when executing generated code.
+// Thus the local variables are actually global and not on the stack.
+
+extern char *invc_ptr;
+
+#define TARGET_SIZE_2 24 // 2^24 = 16 megabytes
+
+// Code generator target address
+#if defined(BASE_ADDR_FIXED)
+ // "round" address helpful for debug
+ // this produces best code, but not many platforms allow it,
+ // only use if you are sure this range is always free
+ #define BASE_ADDR 0x1000000
+ #define translation_cache (char *)BASE_ADDR
+#elif defined(BASE_ADDR_DYNAMIC)
+ // for platforms that can't just use .bss buffer, like vita
+ // otherwise better to use the next option for closer branches
+ extern char *translation_cache;
+ #define BASE_ADDR (u_int)translation_cache
+#else
+ // using a static buffer in .bss
+ extern char translation_cache[1 << TARGET_SIZE_2];
+ #define BASE_ADDR (u_int)translation_cache
+#endif