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super-h: minor fixes and cleanups

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This commit is contained in:
Guy Zana 2019-07-28 10:01:57 +03:00
parent 0d4d1eb7bd
commit 20edb02cf7
2 changed files with 18 additions and 19 deletions
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4
Ghidra/Processors/SuperH/data/languages/superh.cspec
View file

@ -7,7 +7,7 @@
<default_alignment value="1" />
<default_pointer_alignment value="4" />
<pointer_size value="4" />
<wchar_size value="4" />
<wchar_size value="2" />
<short_size value="2" />
<integer_size value="4" />
<long_size value="4" />
@ -19,7 +19,7 @@
<entry size="1" alignment="1" />
<entry size="2" alignment="2" />
<entry size="4" alignment="4" />
<entry size="8" alignment="8" />
<entry size="8" alignment="4" />
</size_alignment_map>
</data_organization>
<global>

33
Ghidra/Processors/SuperH/data/languages/superh.sinc
View file

@ -72,22 +72,21 @@ target00_11: target is sdisp_00_11 [ target = (sdisp_00_11 << 1) + inst_start +
rn_08_11 = simm_00_07;
}
:mova @(disp,pc),r0 is r0 & pc & opcode_08_15=0b11000111 & disp_00_07 [disp = (disp_00_07 << 2); ]
:mova addr,r0 is r0 & opcode_08_15=0b11000111 & disp_00_07 [ addr = (inst_start + 4) & 0xFFFFFFFC + (disp_00_07 << 2); ]
{
local temp:4 = inst_start;
r0 = disp + (temp & 0xFFFFFFFC) + 4;
r0 = addr;
}
:mov.w @(target,pc),rn_08_11 is pc & opcode_12_15=0b1001 & rn_08_11 & disp_00_07 [ target = (disp_00_07 << 1) + 4; ]
:mov.w @(disp,pc),rn_08_11 is pc & opcode_12_15=0b1001 & rn_08_11 & disp_00_07 [ disp = (disp_00_07 << 1); ]
{
local temp:4 = inst_start;
rn_08_11 = sext(*:2 (temp + target));
local temp:4 = inst_start + 4;
rn_08_11 = sext(*:2 (temp + disp));
}
:mov.l @(disp,pc),rn_08_11 is pc & opcode_12_15=0b1101 & rn_08_11 & disp_00_07 [disp = (disp_00_07 << 2) + 4; ]
:mov.l @(disp,pc),rn_08_11 is pc & opcode_12_15=0b1101 & rn_08_11 & disp_00_07 [disp = (disp_00_07 << 2); ]
{
local temp:4 = inst_start;
rn_08_11 = *:4 ((temp & 0xFFFFFFFC) + disp);
local temp:4 = (inst_start + 4) & 0xFFFFFFFC;
rn_08_11 = *:4 (temp + disp);
}
:mov.b @rm_04_07,rn_08_11 is opcode_12_15=0b0110 & rn_08_11 & rm_04_07 & opcode_00_03=0b0000
@ -218,17 +217,17 @@ target00_11: target is sdisp_00_11 [ target = (sdisp_00_11 << 1) + inst_start +
:mov.b rm_04_07,@(r0,rn_08_11) is r0 & opcode_12_15=0b0000 & rn_08_11 & rm_04_07 & opcode_00_03=0b0100
{
*:1 (rn_08_11 + r0) = rm_04_07;
*:1 (rn_08_11 + r0) = rm_04_07:1;
}
:mov.w rm_04_07,@(r0,rn_08_11) is r0 & opcode_12_15=0b0000 & rn_08_11 & rm_04_07 & opcode_00_03=0b0101
{
*:2 (rn_08_11 + r0) = rm_04_07;
*:2 (rn_08_11 + r0) = rm_04_07:2;
}
:mov.l rm_04_07,@(r0,rn_08_11) is r0 & opcode_12_15=0b0000 & rn_08_11 & rm_04_07 & opcode_00_03=0b0110
{
*:4 (rn_08_11 + r0) = rm_04_07;
*:4 (rn_08_11 + r0) = rm_04_07:4;
}
:mov.b @(disp_00_07,gbr),r0 is gbr & r0 & opcode_08_15=0b11000100 & disp_00_07
@ -248,17 +247,17 @@ target00_11: target is sdisp_00_11 [ target = (sdisp_00_11 << 1) + inst_start +
:mov.b r0,@(disp_00_07,gbr) is r0 & gbr & opcode_08_15=0b11000000 & disp_00_07
{
*:1 (gbr + disp_00_07) = r0;
*:1 (gbr + disp_00_07) = r0:1;
}
:mov.w r0,@(disp,gbr) is r0 & gbr & opcode_08_15=0b11000001 & disp_00_07 [disp = (disp_00_07 << 1); ]
{
*:2 (gbr + disp) = r0;
*:2 (gbr + disp) = r0:2;
}
:mov.l r0,@(disp,gbr) is r0 & gbr & opcode_08_15=0b11000010 & disp_00_07 [disp = (disp_00_07 << 2); ]
{
*:4 (gbr + disp) = r0;
*:4 (gbr + disp) = r0:4;
}
:movt rn_08_11 is opcode_12_15=0b0000 & rn_08_11 & opcode_00_07=0b00101001
@ -306,9 +305,9 @@ target00_11: target is sdisp_00_11 [ target = (sdisp_00_11 << 1) + inst_start +
rn_08_11 = rn_08_11 + rm_04_07;
}
:add imm_00_07,rn_08_11 is opcode_12_15=0b0111 & rn_08_11 & imm_00_07
:add simm_00_07,rn_08_11 is opcode_12_15=0b0111 & rn_08_11 & simm_00_07
{
rn_08_11 = rn_08_11 + sext(imm_00_07:1);
rn_08_11 = rn_08_11 + simm_00_07;
}
:addc rm_04_07,rn_08_11 is opcode_12_15=0b0011 & rn_08_11 & rm_04_07 & opcode_00_03=0b1110