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Fix issues with unaligned memory bus rd/wr. Improve fuzzing.

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Toby Jaffey 2025-12-14 18:35:00 +00:00
parent 5fb03b7d66
commit e5fd17aff6
5 changed files with 70 additions and 15 deletions
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17
uvm32/uvm32.h
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@ -51,6 +51,23 @@ uint32_t _uvm32_extramLoad(void *userdata, uint32_t addr, uint32_t accessTyp);
uint32_t _uvm32_extramStore(void *userdata, uint32_t addr, uint32_t val, uint32_t accessTyp);
#define MINIRV32_HANDLE_MEM_LOAD_CONTROL( addy, rval ) rval = _uvm32_extramLoad(userdata, addy, ( ir >> 12 ) & 0x7);
#define MINIRV32_HANDLE_MEM_STORE_CONTROL( addy, val ) if( _uvm32_extramStore(userdata, addy, val, ( ir >> 12 ) & 0x7) ) return val;
void _uvm32_store4(void *p, uint32_t off, uint32_t val);
void _uvm32_store2(void *p, uint32_t off, uint16_t val);
void _uvm32_store1(void *p, uint32_t off, uint8_t val);
uint32_t _uvm32_load4(void *p, uint32_t off);
uint16_t _uvm32_load2(void *p, uint32_t off);
uint8_t _uvm32_load1(void *p, uint32_t off);
int16_t _uvm32_load2s(void *p, uint32_t off);
int8_t _uvm32_load1s(void *p, uint32_t off);
#define MINIRV32_CUSTOM_MEMORY_BUS
#define MINIRV32_STORE4( ofs, val ) _uvm32_store4(image, ofs, val)
#define MINIRV32_STORE2( ofs, val ) _uvm32_store2(image, ofs, val)
#define MINIRV32_STORE1( ofs, val ) _uvm32_store1(image, ofs, val)
#define MINIRV32_LOAD4( ofs ) _uvm32_load4(image, ofs)
#define MINIRV32_LOAD2( ofs ) _uvm32_load2(image, ofs)
#define MINIRV32_LOAD1( ofs ) _uvm32_load1(image, ofs)
#define MINIRV32_LOAD2_SIGNED( ofs ) _uvm32_load2s(image, ofs)
#define MINIRV32_LOAD1_SIGNED( ofs ) _uvm32_load1s(image, ofs)
#ifndef MINIRV32_IMPLEMENTATION
#define MINIRV32_STEPPROTO
#endif