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Line 36... Line 36...
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#include <arch/debug_print/print.h>
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#include <arch/debug_print/print.h>
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#include <arch/mm/page_fault.h>
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#include <arch/mm/page_fault.h>
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#include <mm/as.h>
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#include <mm/as.h>
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#include <genarch/mm/page_pt.h>
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#include <genarch/mm/page_pt.h>
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#include <arch.h>
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#include <arch.h>
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#include <interrupt.h>
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//TODO: remove in final version
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//TODO: remove in final version
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static void print_istate(istate_t* istate);
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static void print_istate(istate_t* istate);
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static void print_istate(istate_t* istate) {
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static void print_istate(istate_t* istate) {
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        instruction_union_t tmp;
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        instruction_union_t tmp;
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        tmp.ip = instr_addr;
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        tmp.ip = instr_addr;
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    // get instruction op code
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    // get instruction op code
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    instruction_t i_code = *(tmp.instr);
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    instruction_t i_code = *(tmp.instr);
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        dprintf("get_instruction_memmory_access\n");
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//         dprintf("get_instruction_memmory_access\n");
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    dprintf(" instr_addr:%X\n",instr_addr);
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//  dprintf(" instr_addr:%X\n",instr_addr);
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    dprintf(" i_code:%X\n",i_code);
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//  dprintf(" i_code:%X\n",i_code);
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    dprintf(" i_code.condition:%d\n", i_code.condition);
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//  dprintf(" i_code.condition:%d\n", i_code.condition);
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    dprintf(" i_code.instr_type:%d\n",i_code.instr_type);
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//  dprintf(" i_code.instr_type:%d\n",i_code.instr_type);
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    dprintf(" i_code.opcode:%d\n",i_code.opcode);
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//  dprintf(" i_code.opcode:%d\n",i_code.opcode);
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    dprintf(" i_code.acess:%d\n", i_code.access);
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//  dprintf(" i_code.acess:%d\n", i_code.access);
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    dprintf(" i_code.dummy:%d\n", i_code.dummy);
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//  dprintf(" i_code.dummy:%d\n", i_code.dummy);
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    dprintf(" i_code.bits567%d\n", i_code.bits567);
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//  dprintf(" i_code.bits567%d\n", i_code.bits567);
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    dprintf(" i_code.bit4:%d\n", i_code.bit4);
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//  dprintf(" i_code.bit4:%d\n", i_code.bit4);
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    dprintf(" i_code.dummy1:%d\n", i_code.dummy1);
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//  dprintf(" i_code.dummy1:%d\n", i_code.dummy1);
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        // undefined instructions ... (or special instructions)
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        // undefined instructions ... (or special instructions)
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    if (i_code.condition == 0xf) {
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    if (i_code.condition == 0xf) {
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        panic("page_fault - on instruction not acessing to memmory (instr_code:%X, badvaddr:%X)",i_code, badvaddr);
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        panic("page_fault - on instruction not acessing to memmory (instr_code:%X, badvaddr:%X)",i_code, badvaddr);
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        fault_status_t fsr = read_fault_status_register();
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        fault_status_t fsr = read_fault_status_register();
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        uintptr_t  page = read_fault_address_register();
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        uintptr_t  page = read_fault_address_register();
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    pf_access_t access = get_memmory_access_type( istate->lr, page);
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    pf_access_t access = get_memmory_access_type( istate->lr, page);
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    print_istate(istate);
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//  print_istate(istate);
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    dprintf(" page fault : ip:%X, va:%X, status:%x(%x), access:%d\n", istate->lr, page, fsr.status,fsr, access);
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    dprintf(" page fault : ip:%X, va:%X, status:%x(%x), access:%d\n", istate->lr, page, fsr.status,fsr, access);
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/* Alf: Will be commented until stack problem will be solved ...
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/* Alf: Will be commented until stack problem will be solved ...
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    as_page_fault make consequent page faults
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    as_page_fault make consequent page faults*/
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        int ret = as_page_fault(page, access, istate);
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        int ret = as_page_fault(page, access, istate);
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    dprintf(" as_page_fault ret:%d\n", ret);
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    dprintf(" as_page_fault ret:%d\n", ret);
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        if (ret == AS_PF_FAULT) {
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        if (ret == AS_PF_FAULT) {
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        fault_if_from_uspace(istate, "Page fault: %#x", page);
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        fault_if_from_uspace(istate, "Page fault: %#x", page);
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                panic("page fault\n");
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                panic("page fault\n");
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        }
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        }
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*/
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    // TODO: Remove this ... now for testing purposes ... it's bad to test page faults in kernel, where no page faults should occures
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    // TODO: Remove this ... now for testing purposes ... it's bad to test page faults in kernel, where no page faults should occures
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    panic("page fault ... solved\n");
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    panic("page fault ... solved\n");
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}
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}
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 // Prefetch can be made be bkpt instruction
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 // Prefetch can be made be bkpt instruction
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    print_istate(istate);
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    print_istate(istate);
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    dprintf(" prefetch_abourt ... instruction on adress:%x can't be fetched\n", istate->lr);
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    dprintf(" prefetch_abourt ... instruction on adress:%x can't be fetched\n", istate->lr);
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/* Alf: Will be commented until stack problem will be solved ...
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/* Alf: Will be commented until stack problem will be solved ...
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    as_page_fault make consequent page faults
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    as_page_fault make consequent page faults*/
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    int ret = as_page_fault(istate->lr, PF_ACCESS_EXEC, istate);
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    int ret = as_page_fault(istate->lr, PF_ACCESS_EXEC, istate);
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    dprintf(" as_page_fault ret:%d\n", ret);
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    dprintf(" as_page_fault ret:%d\n", ret);
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        if (ret == AS_PF_FAULT) {
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        if (ret == AS_PF_FAULT) {
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                panic("page fault - instruction fetch at addr:%X\n", istate->lr);
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                panic("page fault - instruction fetch at addr:%X\n", istate->lr);
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        }
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        }
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*/
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    panic("Prefetch abourt ... solved");
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    panic("Prefetch abourt ... solved");
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}
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}
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/** @}
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/** @}