[DYNAREC] Consolidate access to native register in signal and register mapping acrross all 3 supported dynarec archs

2 files changed, 149 insertions, 142 deletions

diff --git a/src/dynarec/arm64/arm64_emitter.h b/src/dynarec/arm64/arm64_emitter.h
index e41d9df8..c1359e1b 100644
--- a/src/dynarec/arm64/arm64_emitter.h
+++ b/src/dynarec/arm64/arm64_emitter.h
@@ -5,148 +5,7 @@
 
 */
 
-/* 
-    ARM64 Linux Call Convention
-
-SP          The Stack Pointer.
-r30 LR      The Link Register.
-r29 FP      The Frame Pointer
-r19…r28     Callee-saved registers
-r18         The Platform Register, if needed; otherwise a temporary register. See notes.
-r17 IP1     The second intra-procedure-call temporary register (can be used by call veneers and PLT code); at other times may be used as a temporary register.
-r16 IP0     The first intra-procedure-call scratch register (can be used by call veneers and PLT code); at other times may be used as a temporary register.
-r9…r15      Temporary registers
-r8          Indirect result location register
-r0…r7       Parameter/result registers
-
-For SIMD:
-The first eight registers, v0-v7, are used to pass argument values into a subroutine and to return result values from a function. 
-    They may also be used to hold intermediate values within a routine (but, in general, only between subroutine calls).
-
-Registers v8-v15 must be preserved by a callee across subroutine calls; 
-    the remaining registers (v0-v7, v16-v31) do not need to be preserved (or should be preserved by the caller).
-    Additionally, only the bottom 64 bits of each value stored in v8-v15 need to be preserved [8];
-    it is the responsibility of the caller to preserve larger values.
-
-For SVE:
-z0-z7 are used to pass scalable vector arguments to a subroutine, and to return scalable vector results from a function.
-    If a subroutine takes at least one argument in scalable vector registers or scalable predicate registers,
-    or returns results in such regisers, the subroutine must ensure that the entire contents of z8-z23 are preserved across the call.
-    In other cases it need only preserve the low 64 bits of z8-z15, as described in SIMD and Floating-Point registers.
-p0-p3 are used to pass scalable predicate arguments to a subroutine and to return scalable predicate results from a function.
-    If a subroutine takes at least one argument in scalable vector registers or scalable predicate registers,
-    or returns results in such registers, the subroutine must ensure that p4-p15 are preserved across the call.
-    In other cases it need not preserve any scalable predicate register contents.
-
-*/
-
-// x86 Register mapping
-#define xRAX    10
-#define xRCX    11
-#define xRDX    12
-#define xRBX    13
-#define xRSP    14
-#define xRBP    15
-#define xRSI    16
-#define xRDI    17
-#define xR8     18
-#define xR9     19
-#define xR10    20
-#define xR11    21
-#define xR12    22
-#define xR13    23
-#define xR14    24
-#define xR15    25
-#define xFlags  26
-#define xRIP    27
-#define xSavedSP 28
-
-// convert a x86 register to native according to the register mapping
-#define TO_NAT(A) (xRAX + (A))
-
-// 32bits version
-#define wEAX    xRAX
-#define wECX    xRCX
-#define wEDX    xRDX
-#define wEBX    xRBX
-#define wESP    xRSP
-#define wEBP    xRBP
-#define wESI    xRSI
-#define wEDI    xRDI
-#define wR8     xR8
-#define wR9     xR9
-#define wR10    xR10
-#define wR11    xR11
-#define wR12    xR12
-#define wR13    xR13
-#define wR14    xR14
-#define wR15    xR15
-#define wFlags  xFlags
-// scratch registers
-#define x1      1
-#define x2      2
-#define x3      3
-#define x4      4
-#define x5      5
-#define x6      6
-#define x87pc   7
-// x87 can be a scratch, but check if it's used as x87 PC and restore if needed in that case
-// 32bits version of scratch
-#define w1      x1
-#define w2      x2
-#define w3      x3
-#define w4      x4
-#define w5      x5
-#define w6      x6
-#define w87pc   x87pc
-// emu is r0
-#define xEmu    0
-// ARM64 LR
-#define xLR     30
-// ARM64 SP is r31 but is a special register
-#define xSP     31      
-// xZR regs is 31
-#define xZR     31
-#define wZR     xZR
-
-// conditions
-// Z == 1
-#define cEQ 0b0000
-// Z != 1
-#define cNE 0b0001
-// C == 1
-#define cCS 0b0010
-// C == 1
-#define cHS cCS
-// C != 1
-#define cCC 0b0011
-// C != 1
-#define cLO cCC
-// N == 1
-#define cMI 0b0100
-// N != 1
-#define cPL 0b0101
-// V == 1
-#define cVS 0b0110
-// V != 1
-#define cVC 0b0111
-// C == 1 && Z == 0
-#define cHI 0b1000
-// C !=1 || Z == 1
-#define cLS 0b1001
-// N == V
-#define cGE 0b1010
-// N != V
-#define cLT 0b1011
-// N == V && Z == 0
-#define cGT 0b1100
-// N != V || Z == 1
-#define cLE 0b1101
-// always
-#define c__ 0b1110
-
-//FCMP type of opcode produce:
-// if any NAN: CV / v1 == v2: ZC / v1 < v2: N / v1 > v2: C
+#include "arm64_mapping.h"
 
 int convert_bitmask(uint64_t bitmask);
 #define convert_bitmask_w(A)    convert_bitmask(((uint64_t)(A) << 32) + (uint32_t)(A))
diff --git a/src/dynarec/arm64/arm64_mapping.h b/src/dynarec/arm64/arm64_mapping.h
new file mode 100644
index 00000000..3e59f02d
--- /dev/null
+++ b/src/dynarec/arm64/arm64_mapping.h
@@ -0,0 +1,148 @@
+#ifndef __ARM64_MAPPING_H__
+#define __ARM64_MAPPING_H__
+
+
+/* 
+    ARM64 Linux Call Convention
+
+SP          The Stack Pointer.
+r30 LR      The Link Register.
+r29 FP      The Frame Pointer
+r19…r28     Callee-saved registers
+r18         The Platform Register, if needed; otherwise a temporary register. See notes.
+r17 IP1     The second intra-procedure-call temporary register (can be used by call veneers and PLT code); at other times may be used as a temporary register.
+r16 IP0     The first intra-procedure-call scratch register (can be used by call veneers and PLT code); at other times may be used as a temporary register.
+r9…r15      Temporary registers
+r8          Indirect result location register
+r0…r7       Parameter/result registers
+
+For SIMD:
+The first eight registers, v0-v7, are used to pass argument values into a subroutine and to return result values from a function. 
+    They may also be used to hold intermediate values within a routine (but, in general, only between subroutine calls).
+
+Registers v8-v15 must be preserved by a callee across subroutine calls; 
+    the remaining registers (v0-v7, v16-v31) do not need to be preserved (or should be preserved by the caller).
+    Additionally, only the bottom 64 bits of each value stored in v8-v15 need to be preserved [8];
+    it is the responsibility of the caller to preserve larger values.
+
+For SVE:
+z0-z7 are used to pass scalable vector arguments to a subroutine, and to return scalable vector results from a function.
+    If a subroutine takes at least one argument in scalable vector registers or scalable predicate registers,
+    or returns results in such regisers, the subroutine must ensure that the entire contents of z8-z23 are preserved across the call.
+    In other cases it need only preserve the low 64 bits of z8-z15, as described in SIMD and Floating-Point registers.
+p0-p3 are used to pass scalable predicate arguments to a subroutine and to return scalable predicate results from a function.
+    If a subroutine takes at least one argument in scalable vector registers or scalable predicate registers,
+    or returns results in such registers, the subroutine must ensure that p4-p15 are preserved across the call.
+    In other cases it need not preserve any scalable predicate register contents.
+
+*/
+
+// x86 Register mapping
+#define xRAX    10
+#define xRCX    11
+#define xRDX    12
+#define xRBX    13
+#define xRSP    14
+#define xRBP    15
+#define xRSI    16
+#define xRDI    17
+#define xR8     18
+#define xR9     19
+#define xR10    20
+#define xR11    21
+#define xR12    22
+#define xR13    23
+#define xR14    24
+#define xR15    25
+#define xFlags  26
+#define xRIP    27
+#define xSavedSP 28
+
+// convert a x86 register to native according to the register mapping
+#define TO_NAT(A) (xRAX + (A))
+
+// 32bits version
+#define wEAX    xRAX
+#define wECX    xRCX
+#define wEDX    xRDX
+#define wEBX    xRBX
+#define wESP    xRSP
+#define wEBP    xRBP
+#define wESI    xRSI
+#define wEDI    xRDI
+#define wR8     xR8
+#define wR9     xR9
+#define wR10    xR10
+#define wR11    xR11
+#define wR12    xR12
+#define wR13    xR13
+#define wR14    xR14
+#define wR15    xR15
+#define wFlags  xFlags
+// scratch registers
+#define x1      1
+#define x2      2
+#define x3      3
+#define x4      4
+#define x5      5
+#define x6      6
+#define x87pc   7
+// x87 can be a scratch, but check if it's used as x87 PC and restore if needed in that case
+// 32bits version of scratch
+#define w1      x1
+#define w2      x2
+#define w3      x3
+#define w4      x4
+#define w5      x5
+#define w6      x6
+#define w87pc   x87pc
+// emu is r0
+#define xEmu    0
+// ARM64 LR
+#define xLR     30
+// ARM64 SP is r31 but is a special register
+#define xSP     31      
+// xZR regs is 31
+#define xZR     31
+#define wZR     xZR
+
+// conditions
+// Z == 1
+#define cEQ 0b0000
+// Z != 1
+#define cNE 0b0001
+// C == 1
+#define cCS 0b0010
+// C == 1
+#define cHS cCS
+// C != 1
+#define cCC 0b0011
+// C != 1
+#define cLO cCC
+// N == 1
+#define cMI 0b0100
+// N != 1
+#define cPL 0b0101
+// V == 1
+#define cVS 0b0110
+// V != 1
+#define cVC 0b0111
+// C == 1 && Z == 0
+#define cHI 0b1000
+// C !=1 || Z == 1
+#define cLS 0b1001
+// N == V
+#define cGE 0b1010
+// N != V
+#define cLT 0b1011
+// N == V && Z == 0
+#define cGT 0b1100
+// N != V || Z == 1
+#define cLE 0b1101
+// always
+#define c__ 0b1110
+
+//FCMP type of opcode produce:
+// if any NAN: CV / v1 == v2: ZC / v1 < v2: N / v1 > v2: C
+
+#endif //__ARM64_MAPPING_H__
\ No newline at end of file