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Handle 8, 16 and 32 bit accesses to extram.

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Toby Jaffey 2025-12-11 10:33:45 +00:00
parent 63386f9a92
commit 7a1656ab10
5 changed files with 163 additions and 12 deletions
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8
uvm32/uvm32.h
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@ -55,10 +55,10 @@ typedef struct {
#define MINIRV32_DECORATE static
#define MINI_RV32_RAM_SIZE UVM32_MEMORY_SIZE
#define MINIRV32_POSTEXEC(pc, ir, retval) {if (retval > 0) return retval;}
uint32_t uvm32_extramLoad(void *userdata, uint32_t addr);
uint32_t uvm32_extramStore(void *userdata, uint32_t addr, uint32_t val);
#define MINIRV32_HANDLE_MEM_LOAD_CONTROL( addy, rval ) rval = uvm32_extramLoad(userdata, addy);
#define MINIRV32_HANDLE_MEM_STORE_CONTROL( addy, val ) if( uvm32_extramStore(userdata, addy, val) ) return val;
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;
#ifndef MINIRV32_IMPLEMENTATION
#define MINIRV32_STEPPROTO