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patch in cycles output

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This commit is contained in:
Corwin Kuiper 2021-07-03 22:18:34 +01:00
parent be77d97f00
commit cda7e95a28
3 changed files with 47 additions and 0 deletions
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40
mgba-test-runner/add_cycles_register.patch Normal file
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@ -0,0 +1,40 @@
diff --git a/include/mgba/internal/gba/io.h b/include/mgba/internal/gba/io.h
index 9875061f3..bdeafdcd3 100644
--- a/include/mgba/internal/gba/io.h
+++ b/include/mgba/internal/gba/io.h
@@ -157,6 +157,7 @@ enum GBAIORegisters {
REG_DEBUG_STRING = 0xFFF600,
REG_DEBUG_FLAGS = 0xFFF700,
REG_DEBUG_ENABLE = 0xFFF780,
+ REG_DEBUG_CYCLES = 0xFFF800,
};
mLOG_DECLARE_CATEGORY(GBA_IO);
diff --git a/src/gba/io.c b/src/gba/io.c
index cc39e1192..d34dcb4b4 100644
--- a/src/gba/io.c
+++ b/src/gba/io.c
@@ -573,6 +573,11 @@ void GBAIOWrite(struct GBA* gba, uint32_t address, uint16_t value) {
case REG_DEBUG_ENABLE:
gba->debug = value == 0xC0DE;
return;
+ case REG_DEBUG_CYCLES: {
+ int32_t number_of_cycles = mTimingCurrentTime(&gba->timing);
+ mLOG(GBA_DEBUG, INFO, "Cycles: %d Tag: %hd", number_of_cycles, value);
+ return;
+ }
case REG_DEBUG_FLAGS:
if (gba->debug) {
GBADebug(gba, value);
@@ -936,6 +941,11 @@ uint16_t GBAIORead(struct GBA* gba, uint32_t address) {
return 0x1DEA;
}
// Fall through
+ case REG_DEBUG_CYCLES: {
+ int32_t number_of_cycles = mTimingCurrentTime(&gba->timing);
+ mLOG(GBA_DEBUG, INFO, "Cycles: %d", number_of_cycles);
+ return number_of_cycles;
+ }
default:
mLOG(GBA_IO, GAME_ERROR, "Read from unused I/O register: %03X", address);
return GBALoadBad(gba->cpu);

2
mgba-test-runner/build-mgba.sh
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@ -2,12 +2,14 @@
MGBA_VERSION=$1
OUT_DIRECTORY=$2
CURRENT_DIRECTORY=$(pwd)
cd ${OUT_DIRECTORY}
curl -L https://github.com/mgba-emu/mgba/archive/refs/tags/${MGBA_VERSION}.tar.gz -o mgba-${MGBA_VERSION}.tar.gz
tar -xvf mgba-${MGBA_VERSION}.tar.gz
cd mgba-${MGBA_VERSION}
rm -rf build
patch --strip=1 < ${CURRENT_DIRECTORY}/add_cycles_register.patch
mkdir -p build
cd build
cmake .. \

5
mgba-test-runner/build.rs
View file

@ -29,4 +29,9 @@ fn main() {
bindings
.write_to_file(&out_path.join("runner-bindings.rs"))
.expect("Couldn't write bindings!");
println!("cargo:rerun-if-changed=c/test-runner.c");
println!("cargo:rerun-if-changed=c/test-runner.h");
println!("cargo:rerun-if-changed=build-mgba.sh");
println!("cargo:rerun-if-changed=add_cycles_register.patch");
}