/**
* Stores the data given by the virtual address, using the virutal -> physical
* translation system of the CPU.
*
* @param va The virtual address to write.
* @param data The data to write to the address.
*/
void mem_store(vaddr_t va, word_t data) {
vpn_t vpn;
pfn_t pfn, offset;
vpn = VADDR_PAGENUM(va);
pfn = tlb_lookup(vpn, 1);
offset = VADDR_OFFSET(va);
printf("STORE %5.5u <- %3.3u (VPN %5.5u PFN %5.5u OFFSET %5.5u)\n",
va, data, vpn, pfn, offset);
count_writes++;
memory[pfn * page_size + offset] = data;
}
/**
* Stores the data given by the virtual address, using the virutal -> physical
* translation system of the CPU.
*
* @param va The virtual address to write.
* @param data The data to write to the address.
*/
void mem_store(vaddr_t va, word_t data) {
vpn_t vpn;
pfn_t pfn, offset;
vpn = VADDR_PAGENUM(va);
pfn = tlb_lookup(vpn, 1);
offset = VADDR_OFFSET(va);
printf("STORING %3.3u as data in virtual address %5.5u.\nVirtual Address information: (VPN: %5.5u PFN: %5.5u OFFSET: %5.5u)\n",
data, va, vpn, pfn, offset);
count_writes++;
memory[pfn * page_size + offset] = data;
}
/*******************************************************************************
* Loads the data given by the virtual address, using the virutal -> physical
* translation system of the CPU.
*
* @param va The virtual address to read.
* @return The data at the given address.
*/
word_t mem_load(vaddr_t va) {
vpn_t vpn;
pfn_t pfn, offset;
word_t data;
vpn = VADDR_PAGENUM(va);
pfn = tlb_lookup(vpn, 0);
offset = VADDR_OFFSET(va);
data = memory[pfn * page_size + offset];
printf("LOADING %3.3hu as data from virtual address %5.5hu.\nVirtual Address Information: (VPN: %5.5hu PFN: %5.5hu OFFSET: %5.5hu)\n",
data, va, vpn, pfn, offset);
count_reads++;
return data;
}
/*******************************************************************************
* Loads the data given by the virtual address, using the virutal -> physical
* translation system of the CPU.
*
* @param va The virtual address to read.
* @return The data at the given address.
*/
word_t mem_load(vaddr_t va) {
vpn_t vpn;
pfn_t pfn, offset;
word_t data;
vpn = VADDR_PAGENUM(va);
pfn = tlb_lookup(vpn, 0);
offset = VADDR_OFFSET(va);
data = memory[pfn * page_size + offset];
printf("LOAD %5.5hu -> %3.3u (VPN %5.5hu PFN %5.5hu OFFSET %5.5hu)\n",
va, (unsigned int)data, vpn, pfn, offset);
count_reads++;
return data;
}
