1 files changed, 0 insertions, 128 deletions
diff --git a/src/eie2ugs/mips_cpu.cpp b/src/eie2ugs/mips_cpu.cpp
deleted file mode 100644
index 475977e..0000000
--- a/src/eie2ugs/mips_cpu.cpp
+++ /dev/null
@@ -1,128 +0,0 @@
-#include "mips.h"
-
-struct mips_cpu_impl
-{
-    uint32_t pc;
-    uint32_t pcNext;
-    
-    uint32_t regs[32];
-    
-    mips_mem_h mem;
-    
-    unsigned logLevel;
-    FILE *logDst;
-};
-
-
-mips_error mips_cpu_get_register(
-	mips_cpu_h state,	//!< Valid (non-empty) handle to a CPU
-	unsigned index,		//!< Index from 0 to 31
-	uint32_t *value		//!< Where to write the value to
-)
-{
-    // TODO : error handling
-    *value = state->regs[index];
-    return mips_Success;
-}
-
-/*! Modifies one of the 32 general purpose MIPS registers. */
-mips_error mips_cpu_set_register(
-	mips_cpu_h state,	//!< Valid (non-empty) handle to a CPU
-	unsigned index,		//!< Index from 0 to 31
-	uint32_t value		//!< New value to write into register file
-)
-{
-    // TODO : error handling
-    state->regs[index] = value;
-    return mips_Success;
-}
-
-mips_error mips_cpu_set_debug_level(mips_cpu_h state, unsigned level, FILE *dest)
-{
-    state->logLevel = level;
-    state->logDst = dest;
-    return mips_Success;
-}
-
-mips_cpu_h mips_cpu_create(mips_mem_h mem)
-{
-    mips_cpu_impl *cpu=new mips_cpu_impl;
-    
-    cpu->pc=0;
-    for(int i=0;i<32;i++){
-        cpu->regs[i]=0;
-    }
-    cpu->mem=mem;
-    
-    return cpu;
-}
-
-/*! \param pData Array of 4 bytes
-    \retval The big-endian equivlent
-*/
-uint32_t to_big(const uint8_t *pData)
-{
-    return
-        (((uint32_t)pData[0])<<24)
-        |
-        (((uint32_t)pData[1])<<16)
-        |
-        (((uint32_t)pData[2])<<8)
-        |
-        (((uint32_t)pData[3])<<0);
-}
-
-mips_error mips_cpu_step(
-	mips_cpu_h state	//! Valid (non-empty) handle to a CPU
-)
-{
-    uint8_t buffer[4];
-    
-    mips_error err=mips_mem_read(
-        state->mem,		//!< Handle to target memory
-        state->pc,	//!< Byte address to start transaction at
-        4,	//!< Number of bytes to transfer
-        buffer	//!< Receives the target bytes
-    );
-    
-    if(err!=0){
-        return err;
-    }
-    
-    uint32_t instruction= to_big(buffer);
-    
-    uint32_t opcode =  (instruction>>26) & 0x3F;
-    uint32_t src1 = (instruction>> 21 ) & 0x1F;
-    uint32_t src2 = (instruction>> 16 ) & 0x1F;   
-    uint32_t dst = (instruction>> 11 ) & 0x1F;    
-    uint32_t shift = (instruction>> 6 ) & 0x1F ;
-    uint32_t function = (instruction>> 0 ) & 0x3F ;
-
-    if(opcode == 0){
-        // This is R-type
-        if(state->logLevel >= 2){
-            fprintf(state->logDst, "R-Type : dst=%u, src1=%u, src2=%u, shift=%u, function=%u.\n  instr=%08x\n",
-                dst, src1, src2, shift, function, instruction
-            );
-        }
-        
-        if(function ==  0x21){
-            if(state->logLevel >= 1){
-                fprintf(state->logDst, "addu %u, %u, %u.\n", dst, src1, src2);
-            }
-            uint32_t va=state->regs[src1];
-            uint32_t vb=state->regs[src2];
-            
-            uint32_t res=va+vb;
-            
-            state->regs[dst] = res; // NOTE: what about zero reg?
-            
-            // NOTE : What about updating the program counter
-            return mips_Success;
-        }else{
-            return mips_ErrorNotImplemented;
-        }
-    }else{
-        return mips_ErrorNotImplemented;
-    }
-}