| 32,7 → 32,64 |
|---|
| #include <config.h> |
| #include <panic.h> |
| |
| |
| static void set_VHPT_environment(void) |
| { |
| /* |
| TODO: |
| */ |
| |
| int i; |
| |
| /* First set up REGION REGISTER 0 */ |
| |
| region_register rr; |
| rr.map.ve=0; /*Disable Walker*/ |
| rr.map.ps=PAGE_WIDTH; |
| rr.map.rid=REGION_RID_MAIN; |
| |
| asm |
| ( |
| "mov rr[r0]=%0;;" |
| : |
| :"r"(rr.word) |
| ); |
| |
| /* And Invalidate the rest of REGION REGISTERS */ |
| |
| for(i=1;i<REGION_REGISTERS;i++) |
| { |
| rr.map.rid=REGION_RID_FIRST_INVALID+i-1; |
| asm |
| ( |
| "mov r8=%1;;" |
| "mov rr[r8]=%0;;" |
| : |
| :"r"(rr.word),"r"(i) |
| :"r8" |
| ); |
| }; |
| |
| PTA_register pta; |
| pta.map.ve=0; /*Disable Walker*/ |
| pta.map.vf=1; /*Large entry format*/ |
| pta.map.size=VHPT_WIDTH; |
| pta.map.base=VHPT_BASE; |
| |
| |
| /*Write PTA*/ |
| asm |
| ( |
| "mov cr8=%0;;" |
| : |
| :"r"(pta.word) |
| ); |
| |
| } |
| |
| |
| void page_arch_init(void) |
| { |
| page_operations = &page_ht_operations; |
| set_VHPT_environment(); |
| } |