mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-25 18:05:12 -04:00
Matthew Stanley
126 lines
6.6 KiB
C++
126 lines
6.6 KiB
C++
#include "render_pass_ot_relocation.hpp"
|
|
#include <cstdio>
|
|
|
|
static int failures=0;
|
|
#define CHECK(c) do {if(!(c)){std::fprintf(stderr,"FAIL line %d: %s\n",__LINE__,#c);++failures;}}while(0)
|
|
static void put(std::vector<uint8_t>& ram,uint32_t address,uint32_t value) {
|
|
std::memcpy(ram.data()+address,&value,4);
|
|
}
|
|
int main() {
|
|
std::vector<uint8_t> ram(0x200000);
|
|
constexpr uint32_t OT=0x1000,Prefix=0x1100,Core=0x1200,Tail=0x1400;
|
|
put(ram,OT,Prefix);put(ram,Prefix,0x02ffffffu);
|
|
put(ram,Prefix+4,0x64000000);put(ram,Prefix+8,0x000a000b);
|
|
PSXOTRelocation journal;
|
|
CHECK(journal.begin(ram.data(),ram.size(),OT));
|
|
put(ram,OT,Core);put(ram,Core,0x02000000u|Prefix);
|
|
put(ram,Core+4,0x20000000);put(ram,Core+8,0x000c000d);
|
|
CHECK(journal.end(ram.data(),ram.size(),0x1300));
|
|
const auto core=ram;
|
|
put(ram,OT,Tail);put(ram,Tail,0x02000000u|Core);
|
|
put(ram,Tail+4,0x64000000);put(ram,Tail+8,0x00100020);
|
|
CHECK(journal.prepare(ram.data(),ram.size()));
|
|
ram=core;put(ram,Core+8,0x000d000e); // interpolated core coordinates
|
|
CHECK(journal.matches(ram.data(),ram.size(),OT,0x1300));
|
|
CHECK(!journal.matches(ram.data(),ram.size(),OT,0x1304));
|
|
CHECK(!journal.matches(ram.data(),ram.size(),OT+4,0x1300));
|
|
put(ram,Core,0x02000000u|Tail);
|
|
CHECK(!journal.matches(ram.data(),ram.size(),OT,0x1300));
|
|
ram=core;put(ram,Core+8,0x000d000e);journal.apply(ram.data());
|
|
CHECK(PSXOTRelocation::word(ram.data(),OT)==Tail);
|
|
CHECK(PSXOTRelocation::word(ram.data(),Core+8)==0x000d000e);
|
|
CHECK(PSXOTRelocation::word(ram.data(),Tail+8)==0x00100020);
|
|
|
|
// Tail must never overwrite interpolated output, or grow a core packet.
|
|
ram=core;put(ram,Core+8,0x10000000);
|
|
CHECK(!journal.prepare(ram.data(),ram.size()));
|
|
ram=core;put(ram,Core,0x03000000u|Prefix);
|
|
CHECK(!journal.prepare(ram.data(),ram.size()));
|
|
ram=core;put(ram,OT,0x300000); // out-of-RAM link
|
|
CHECK(!journal.prepare(ram.data(),ram.size()));
|
|
ram=core;put(ram,OT,OT); // cycle, bounded traversal
|
|
CHECK(!journal.prepare(ram.data(),ram.size()));
|
|
ram=core;
|
|
CHECK(journal.begin(ram.data(),ram.size(),OT));
|
|
put(ram,Prefix+8,0x11112222); // in-place core reuse is unsupported
|
|
CHECK(!journal.end(ram.data(),ram.size(),0x1300));
|
|
ram=core;put(ram,Core,0x02000000u|(Core+4));
|
|
put(ram,Core+4,0x00ffffffu); // linked header aliases a packet payload
|
|
std::vector<PSXOTRelocation::Node> aliased;
|
|
CHECK(!PSXOTRelocation::walk(ram.data(),ram.size(),OT,aliased));
|
|
// Variable core packet layout: relocate a contiguous two-packet HUD tail
|
|
// and splice its terminal onto the current OT head, preserving live core.
|
|
ram.assign(0x200000,0);
|
|
put(ram,OT,Prefix);put(ram,Prefix,0x02ffffffu);
|
|
put(ram,Prefix+4,0x64000000);put(ram,Prefix+8,0x000a000b);
|
|
PSXOTRelocation relocated;
|
|
CHECK(relocated.begin(ram.data(),ram.size(),OT,0x80001200));
|
|
put(ram,OT,Core);put(ram,Core,0x02000000u|Prefix);
|
|
put(ram,Core+4,0x20000000);put(ram,Core+8,0x000c000d);
|
|
put(ram,0x1800,0x80001300);
|
|
CHECK(relocated.end(ram.data(),ram.size(),0x80001300));
|
|
const auto recorded_core=ram;
|
|
put(ram,0x1300,0x02000000u|Core);
|
|
put(ram,0x1304,0x64000000);put(ram,0x1308,0x00100020);
|
|
put(ram,0x130c,0x02001300u);
|
|
put(ram,0x1310,0x60000000);put(ram,0x1314,0x00300040);
|
|
put(ram,OT,0x130c);put(ram,0x1800,0x80001318);
|
|
CHECK(relocated.prepare(ram.data(),ram.size()));
|
|
ram=recorded_core;
|
|
put(ram,OT,0x1220);put(ram,0x1220,0x02000000u|Prefix);
|
|
put(ram,0x1224,0x20000000);put(ram,0x1228,0x000e000f);
|
|
put(ram,0x1800,0x80001320);
|
|
CHECK(relocated.prepare_splice(ram.data(),ram.size(),OT,0x80001320,0x1800));
|
|
CHECK(relocated.shadow_destination(0x1308)==0x1328);
|
|
relocated.apply_splice(ram.data());
|
|
CHECK(PSXOTRelocation::word(ram.data(),OT)==0x132c);
|
|
CHECK(PSXOTRelocation::word(ram.data(),0x1320)==(0x02000000u|0x1220));
|
|
CHECK(PSXOTRelocation::word(ram.data(),0x132c)==0x02001320u);
|
|
CHECK(PSXOTRelocation::word(ram.data(),0x1228)==0x000e000f);
|
|
CHECK(PSXOTRelocation::word(ram.data(),0x1800)==0x80001338);
|
|
CHECK(!relocated.prepare_splice(ram.data(),ram.size(),OT+4,0x80001320,0x1800));
|
|
ram=recorded_core;put(ram,Prefix+8,0x00010002);
|
|
CHECK(!relocated.prepare_splice(ram.data(),ram.size(),OT,0x80001320,0x1800));
|
|
ram=recorded_core;
|
|
CHECK(!relocated.prepare_splice(ram.data(),ram.size(),OT,0x80001200,0x1800));
|
|
CHECK(!relocated.prepare_splice(ram.data(),ram.size(),OT,0x801ffffc,0x1800));
|
|
ram=recorded_core;put(ram,0x1800,0x800012e0);
|
|
CHECK(relocated.prepare_splice(ram.data(),ram.size(),OT,0x800012e0,0x1800));
|
|
relocated.apply_splice(ram.data());
|
|
CHECK(PSXOTRelocation::word(ram.data(),OT)==0x12ec);
|
|
CHECK(PSXOTRelocation::word(ram.data(),0x12e0)==(0x02000000u|Core));
|
|
// DrawMode's allocator reserves 16 bytes but DMA reads 8. Stale padding
|
|
// must neither be interpreted as a tag nor copied onto live core output.
|
|
ram=recorded_core;
|
|
put(ram,0x1300,0x01000000u|Core);
|
|
put(ram,0x1304,0xe1000220);
|
|
put(ram,0x1308,0xffffffffu);put(ram,0x130c,0xaaaaaaaa);
|
|
put(ram,0x1310,0x02001300u);
|
|
put(ram,0x1314,0x64000000);put(ram,0x1318,0x00100020);
|
|
put(ram,OT,0x1310);put(ram,0x1800,0x80001320);
|
|
CHECK(relocated.prepare(ram.data(),ram.size(),0x80001320));
|
|
ram=recorded_core;put(ram,0x1800,0x80001340);
|
|
put(ram,0x1348,0x12345678);put(ram,0x134c,0x87654321);
|
|
CHECK(relocated.prepare_splice(ram.data(),ram.size(),OT,0x80001340,0x1800));
|
|
relocated.apply_splice(ram.data());
|
|
CHECK(PSXOTRelocation::word(ram.data(),OT)==0x1350);
|
|
CHECK(PSXOTRelocation::word(ram.data(),0x1340)==(0x01000000u|Core));
|
|
CHECK(PSXOTRelocation::word(ram.data(),0x1348)==0x12345678);
|
|
CHECK(PSXOTRelocation::word(ram.data(),0x134c)==0x87654321);
|
|
CHECK(PSXOTRelocation::word(ram.data(),0x1800)==0x80001360);
|
|
ram=recorded_core;put(ram,0x1800,0x80001340);
|
|
// A packet outside the actual producer interval is still refused.
|
|
CHECK(relocated.prepare_splice(ram.data(),ram.size(),OT,0x801ffff0,0x1800)==false);
|
|
// A middle-list insertion into a primitive header is unsupported even if
|
|
// the complete DMA graph remains structurally valid.
|
|
ram=recorded_core;
|
|
put(ram,0x1300,0x02000000u|Prefix);
|
|
put(ram,0x1304,0x64000000);put(ram,0x1308,0x00100020);
|
|
put(ram,Core,0x02001300u);put(ram,0x1800,0x8000130c);
|
|
CHECK(relocated.prepare(ram.data(),ram.size()));
|
|
ram=recorded_core;put(ram,0x1800,0x80001320);
|
|
CHECK(!relocated.prepare_splice(ram.data(),ram.size(),OT,0x80001320,0x1800));
|
|
std::printf("OT relocation guards: %s\n",failures?"FAIL":"PASS");
|
|
return failures?1:0;
|
|
}
|