yath/ghidra-xtensa
1
0
Fork 1
mirror of https://github.com/yath/ghidra-xtensa.git synced 2025-08-01 01:44:29 +02:00
Code Issues Packages Projects Releases Wiki Activity

Move loop* out of xtensaTodo.sinc

Browse Source
This commit is contained in:
Sebastian Schmidt
2022-01-25 20:00:23 +01:00
parent 109a4649fe
commit 08cb358913
2 changed files with 27 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
data/languages/xtensaInstructions.sinc
View File

@@ -583,6 +583,33 @@ macro extract_bit(val, bit, result) {
at = licw(as);
}
macro loopSetup(as, end, doit) {
LCOUNT = as - 1;
LBEG = inst_next;
#LEND = end;
if (doit) goto <body>;
goto end;
<body>
}
# LOOP - Loop, pg. 392.
:loop as, urel_16.23 is urel_16.23 & ar=0b1000 & as & at=0b0111 & op0=0b0110
[loopEnd=1; globalset(urel_16.23, loopEnd);] {
loopSetup(as, urel_16.23, 1:1);
}
# LOOPGTZ - Loop if Greater Than Zero, pg. 394.
:loopgtz as, urel_16.23 is urel_16.23 & ar=0b1010 & as & at=0b0111 & op0=0b0110
[loopEnd=1; globalset(urel_16.23, loopEnd);] {
loopSetup(as, urel_16.23, as s> 0);
}
# LOOPNEZ - Loop if Not Equal Zero, pg. 396.
:loopnez as, urel_16.23 is urel_16.23 & ar=0b1001 & as & at=0b0111 & op0=0b0110
[loopEnd=1; globalset(urel_16.23, loopEnd);] {
loopSetup(as, urel_16.23, as != 0);
}
# LSI - Load Single Immediate, pg. 398.
:lsi ft, as, u10_16.23_sb2 is u10_16.23_sb2 & ar = 0 & as & ft & op0 = 0b0011 {
local addr:4 = as + zext(u10_16.23_sb2);

30
data/languages/xtensaTodo.sinc
View File

@@ -52,33 +52,3 @@
:mula.aa.* as, at is op2 = 0b0001 & u2_18.19 = 0b01 & ar = 0 & as & at & op0 = 0b0100 unimpl
# FIXME: Add remaining MUL.* opcodes.
## Loop Option ##
macro loopSetup(as, end, doit) {
LCOUNT = as - 1;
LBEG = inst_next;
#LEND = end;
if (doit) goto <body>;
goto end;
<body>
}
# LOOP - Loop, pg. 392.
:loop as, urel_16.23 is urel_16.23 & ar=0b1000 & as & at=0b0111 & op0=0b0110
[loopEnd=1; globalset(urel_16.23, loopEnd);] {
loopSetup(as, urel_16.23, 1:1);
}
# LOOPGTZ - Loop if Greater Than Zero, pg. 394.
:loopgtz as, urel_16.23 is urel_16.23 & ar=0b1010 & as & at=0b0111 & op0=0b0110
[loopEnd=1; globalset(urel_16.23, loopEnd);] {
loopSetup(as, urel_16.23, as s> 0);
}
# LOOPNEZ - Loop if Not Equal Zero, pg. 396.
:loopnez as, urel_16.23 is urel_16.23 & ar=0b1001 & as & at=0b0111 & op0=0b0110
[loopEnd=1; globalset(urel_16.23, loopEnd);] {
loopSetup(as, urel_16.23, as != 0);
}