#include "mmu.h" #include "hw/sh4/sh4_if.h" #include "hw/sh4/sh4_interrupts.h" #include "hw/sh4/sh4_core.h" #include "types.h" #include "hw/mem/_vmem.h" //SQ fast remap , mailny hackish , assumes 1 mb pages //max 64 mb can be remapped on SQ u32 sq_remap[64]; TLB_Entry UTLB[64]; TLB_Entry ITLB[4]; //sync mem mapping to mmu , suspend compiled blocks if needed.entry is a UTLB entry # , -1 is for full sync void UTLB_Sync(u32 entry) { if ((UTLB[entry].Address.VPN & (0xFC000000>>10)) == (0xE0000000>>10)) { u32 vpn_sq=((UTLB[entry].Address.VPN & 0x7FFFF)>>10) &0x3F;//upper bits are allways known [0xE0/E1/E2/E3] sq_remap[vpn_sq]=UTLB[entry].Data.PPN<<10; printf("SQ remap %d : 0x%X to 0x%X\n",entry,UTLB[entry].Address.VPN<<10,UTLB[entry].Data.PPN<<10); } else printf("MEM remap %d : 0x%X to 0x%X\n",entry,UTLB[entry].Address.VPN<<10,UTLB[entry].Data.PPN<<10); } //sync mem mapping to mmu , suspend compiled blocks if needed.entry is a ITLB entry # , -1 is for full sync void ITLB_Sync(u32 entry) { printf("ITLB MEM remap %d : 0x%X to 0x%X\n",entry,ITLB[entry].Address.VPN<<10,ITLB[entry].Data.PPN<<10); } void MMU_init() { } void MMU_reset() { memset(UTLB,0,sizeof(UTLB)); memset(ITLB,0,sizeof(ITLB)); } void MMU_term() { }