aboutsummaryrefslogtreecommitdiffstats
path: root/ortho/mcode/disa_sparc.adb
diff options
context:
space:
mode:
Diffstat (limited to 'ortho/mcode/disa_sparc.adb')
-rw-r--r--ortho/mcode/disa_sparc.adb274
1 files changed, 0 insertions, 274 deletions
diff --git a/ortho/mcode/disa_sparc.adb b/ortho/mcode/disa_sparc.adb
deleted file mode 100644
index 8c9176ff8..000000000
--- a/ortho/mcode/disa_sparc.adb
+++ /dev/null
@@ -1,274 +0,0 @@
-with System; use System;
-with Interfaces; use Interfaces;
-with Ada.Unchecked_Conversion;
-with Hex_Images; use Hex_Images;
-
-package body Disa_Sparc is
- subtype Reg_Type is Unsigned_32 range 0 .. 31;
-
- type Hex_Map_Type is array (Unsigned_32 range 0 .. 15) of Character;
- Hex_Digit : constant Hex_Map_Type := "0123456789abcdef";
-
- type Cstring_Acc is access constant String;
- type Cond_Map_Type is array (Unsigned_32 range 0 .. 15) of Cstring_Acc;
- subtype S is String;
- Bicc_Map : constant Cond_Map_Type :=
- (0 => new S'("n"),
- 1 => new S'("e"),
- 2 => new S'("le"),
- 3 => new S'("l"),
- 4 => new S'("leu"),
- 5 => new S'("cs"),
- 6 => new S'("neg"),
- 7 => new S'("vs"),
- 8 => new S'("a"),
- 9 => new S'("ne"),
- 10 => new S'("g"),
- 11 => new S'("ge"),
- 12 => new S'("gu"),
- 13 => new S'("cc"),
- 14 => new S'("pos"),
- 15 => new S'("vc")
- );
-
-
- type Format_Type is
- (
- Format_Bad,
- Format_Regimm, -- format 3, rd, rs1, rs2 or imm13
- Format_Rd, -- format 3, rd only.
- Format_Copro, -- format 3, fpu or coprocessor
- Format_Asi -- format 3, rd, rs1, asi and rs2.
- );
-
- type Insn_Desc_Type is record
- Name : Cstring_Acc;
- Format : Format_Type;
- end record;
-
- type Insn_Desc_Array is array (Unsigned_32 range 0 .. 63) of Insn_Desc_Type;
- Insn_Desc_10 : constant Insn_Desc_Array :=
- (
- 2#000_000# => (new S'("add"), Format_Regimm),
- 2#000_001# => (new S'("and"), Format_Regimm),
- 2#000_010# => (new S'("or"), Format_Regimm),
- 2#000_011# => (new S'("xor"), Format_Regimm),
- 2#000_100# => (new S'("sub"), Format_Regimm),
- 2#000_101# => (new S'("andn"), Format_Regimm),
- 2#000_110# => (new S'("orn"), Format_Regimm),
- 2#000_111# => (new S'("xnor"), Format_Regimm),
- 2#001_000# => (new S'("addx"), Format_Regimm),
-
- 2#001_100# => (new S'("subx"), Format_Regimm),
-
- 2#010_000# => (new S'("addcc"), Format_Regimm),
- 2#010_001# => (new S'("andcc"), Format_Regimm),
- 2#010_010# => (new S'("orcc"), Format_Regimm),
- 2#010_011# => (new S'("xorcc"), Format_Regimm),
- 2#010_100# => (new S'("subcc"), Format_Regimm),
- 2#010_101# => (new S'("andncc"), Format_Regimm),
- 2#010_110# => (new S'("orncc"), Format_Regimm),
- 2#010_111# => (new S'("xnorcc"), Format_Regimm),
- 2#011_000# => (new S'("addxcc"), Format_Regimm),
-
- 2#011_100# => (new S'("subxcc"), Format_Regimm),
-
- 2#111_000# => (new S'("jmpl"), Format_Regimm),
-
- 2#111_100# => (new S'("save"), Format_Regimm),
- 2#111_101# => (new S'("restore"), Format_Regimm),
-
- others => (null, Format_Bad)
- );
-
- Insn_Desc_11 : constant Insn_Desc_Array :=
- (
- 2#000_000# => (new S'("ld"), Format_Regimm),
- 2#000_001# => (new S'("ldub"), Format_Regimm),
- 2#000_010# => (new S'("lduh"), Format_Regimm),
- 2#000_011# => (new S'("ldd"), Format_Regimm),
- 2#000_100# => (new S'("st"), Format_Regimm),
- 2#000_101# => (new S'("stb"), Format_Regimm),
-
- 2#010_000# => (new S'("lda"), Format_Asi),
- 2#010_011# => (new S'("ldda"), Format_Asi),
-
- 2#110_000# => (new S'("ldc"), Format_Regimm),
- 2#110_001# => (new S'("ldcsr"), Format_Regimm),
-
- others => (null, Format_Bad)
- );
-
- -- Disassemble instruction at ADDR, and put the result in LINE/LINE_LEN.
- procedure Disassemble_Insn (Addr : Address;
- Line : in out String;
- Line_Len : out Natural;
- Insn_Len : out Natural;
- Proc_Cb : Symbol_Proc_Type)
- is
- type Unsigned_32_Acc is access Unsigned_32;
- function To_Unsigned_32_Acc is new Ada.Unchecked_Conversion
- (Source => Address, Target => Unsigned_32_Acc);
-
- W : Unsigned_32;
- Lo : Natural;
-
- -- Add CHAR to the line.
- procedure Add_Char (C : Character);
- pragma Inline (Add_Char);
-
- procedure Add_Char (C : Character) is
- begin
- Line (Lo) := C;
- Lo := Lo + 1;
- end Add_Char;
-
- -- Add STR to the line.
- procedure Add_String (Str : String) is
- begin
- Line (Lo .. Lo + Str'Length - 1) := Str;
- Lo := Lo + Str'Length;
- end Add_String;
-
- -- Add BYTE to the line.
--- procedure Add_Byte (V : Byte) is
--- type My_Str is array (Natural range 0 .. 15) of Character;
--- Hex_Digit : constant My_Str := "0123456789abcdef";
--- begin
--- Add_Char (Hex_Digit (Natural (Shift_Right (V, 4) and 16#0f#)));
--- Add_Char (Hex_Digit (Natural (Shift_Right (V, 0) and 16#0f#)));
--- end Add_Byte;
-
- procedure Disp_Const (Mask : Unsigned_32)
- is
- L : Natural;
- V : Unsigned_32;
- begin
- L := Lo;
- Proc_Cb.all (Addr, Line (Lo .. Line'Last), Lo);
- V := W and Mask;
-
- -- Extend sign.
- if (W and ((Mask + 1) / 2)) /= 0 then
- V := V or not Mask;
- end if;
- if L /= Lo then
- if V = 0 then
- return;
- end if;
- Add_String (" + ");
- end if;
- Add_String ("0x");
- Add_String (Hex_Image (V));
- end Disp_Const;
-
- procedure Add_Cond (Str : String)
- is
- begin
- Add_String (Str);
- Add_String (Bicc_Map (Shift_Right (W, 25) and 2#1111#).all);
- if (W and 16#2000_0000#) /= 0 then
- Add_String (",a");
- end if;
- Add_Char (' ');
- Disp_Const (16#3f_Ffff#);
- end Add_Cond;
-
-
- procedure Add_Ireg (R : Reg_Type)
- is
- begin
- Add_Char ('%');
- if R <= 7 then
- Add_Char ('g');
- elsif R <= 15 then
- if R = 14 then
- Add_String ("sp");
- return;
- else
- Add_Char ('o');
- end if;
- elsif R <= 23 then
- Add_Char ('l');
- else
- if R = 30 then
- Add_String ("fp");
- return;
- else
- Add_Char ('i');
- end if;
- end if;
- Add_Char (Hex_Digit (R and 7));
- end Add_Ireg;
-
- procedure Disp_Unknown is
- begin
- Add_String ("unknown ");
- Add_String (Hex_Image (W));
- end Disp_Unknown;
-
- procedure Disp_Format3 (Map : Insn_Desc_Array)
- is
- Op2 : Unsigned_32 range 0 .. 63;
- begin
- Op2 := Shift_Right (W, 19) and 2#111_111#;
-
- case Map (Op2).Format is
- when Format_Regimm =>
- Add_String (Map (Op2).Name.all);
- Add_Char (' ');
- Add_Ireg (Shift_Right (W, 25) and 31);
- Add_Char (',');
- Add_Ireg (Shift_Right (W, 14) and 31);
- Add_Char (',');
- if (W and 16#2000#) /= 0 then
- Disp_Const (16#1fff#);
- else
- Add_Ireg (W and 31);
- end if;
- when others =>
- Add_String ("unknown3, op2=");
- Add_String (Hex_Image (Op2));
- end case;
- end Disp_Format3;
-
-
- begin
- W := To_Unsigned_32_Acc (Addr).all;
- Insn_Len := 4;
- Lo := Line'First;
-
- case Shift_Right (W, 30) is
- when 2#00# =>
- -- BIcc, SETHI
- case Shift_Right (W, 22) and 2#111# is
- when 2#000# =>
- Add_String ("unimp ");
- Disp_Const (16#3f_Ffff#);
- when 2#010# =>
- Add_Cond ("b");
- when 2#100# =>
- Add_String ("sethi ");
- Add_Ireg (Shift_Right (W, 25));
- Add_String (", ");
- Disp_Const (16#3f_Ffff#);
- when others =>
- Disp_Unknown;
- end case;
- when 2#01# =>
- -- Call
- Add_String ("call ");
- Disp_Const (16#3fff_Ffff#);
- when 2#10# =>
- Disp_Format3 (Insn_Desc_10);
- when 2#11# =>
- Disp_Format3 (Insn_Desc_11);
- when others =>
- -- Misc.
- Disp_Unknown;
- end case;
-
- Line_Len := Lo - Line'First;
- end Disassemble_Insn;
-
-end Disa_Sparc;
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-22 01:36:09 +0000