Fixed Module loader
This commit is contained in:
parent
51af16b61e
commit
57aada680b
|
|
@ -96,7 +96,7 @@ void _isr_handler(cpu_registers_t *regs){
|
||||||
printf("Error Code: %x\n", regs->pfa);
|
printf("Error Code: %x\n", regs->pfa);
|
||||||
if (regs->int_no == 14){
|
if (regs->int_no == 14){
|
||||||
uint32_t cr2;
|
uint32_t cr2;
|
||||||
asm volatile("mov %%cr3, %%eax;mov %0, %%eax": "=r"(cr2));
|
asm volatile("mov %%cr2, %%eax;mov %0, %%eax": "=r"(cr2));
|
||||||
printf("Address: %x", cr2);
|
printf("Address: %x", cr2);
|
||||||
}
|
}
|
||||||
for(;;);
|
for(;;);
|
||||||
|
|
|
||||||
|
|
@ -9,7 +9,7 @@ char *flags[] = {"---", "X--", "-W-", "XW-", "--R", "X-R", "-WR", "XWR"};
|
||||||
|
|
||||||
void *load_segment(program_entry_t entry, void *file_data, void *base_segment, uint32_t map_flags){
|
void *load_segment(program_entry_t entry, void *file_data, void *base_segment, uint32_t map_flags){
|
||||||
// mlog("ELFLOAD", "p_addr: %d\n", MLOG_DEBUG, entry.paddr);
|
// mlog("ELFLOAD", "p_addr: %d\n", MLOG_DEBUG, entry.paddr);
|
||||||
printf("Type: %x, Flags: %s, Vaddr: %x, Offset: %x, Size: %x, Align: %x\n", entry.type, flags[entry.flags], entry.vaddr, entry.data_offset, entry.msize, entry.alignment);
|
printf("Type: %x, Flags: %s, Vaddr: %x, Offset: %x, Size: %x, Align: %x\n", entry.type, flags[entry.flags], entry.paddr, entry.data_offset, entry.msize, entry.alignment);
|
||||||
uint32_t *segment;
|
uint32_t *segment;
|
||||||
uint32_t data_offset = ((elf_header_t *)file_data)->entry_offset;
|
uint32_t data_offset = ((elf_header_t *)file_data)->entry_offset;
|
||||||
printf("Base: %x\n", base_segment);
|
printf("Base: %x\n", base_segment);
|
||||||
|
|
@ -23,12 +23,12 @@ void *load_segment(program_entry_t entry, void *file_data, void *base_segment, u
|
||||||
segment = base_segment + (entry.vaddr & 0xfffff000);
|
segment = base_segment + (entry.vaddr & 0xfffff000);
|
||||||
uint32_t count = 1;
|
uint32_t count = 1;
|
||||||
count += ((entry.vaddr+entry.msize) - entry.vaddr) ? 1 : 0;
|
count += ((entry.vaddr+entry.msize) - entry.vaddr) ? 1 : 0;
|
||||||
count += entry.msize/4096;
|
count += entry.msize/4096 + 1;
|
||||||
printf("count: %x\n", count);
|
// printf("count: %x\n", count);
|
||||||
// for (;;);
|
// for (;;);
|
||||||
for(uint32_t i = 0; i < count; i++){
|
for(uint32_t i = 0; i < count; i++){
|
||||||
map(segment + (i << 12), (void *)pm_alloc(), PT_PRESENT | map_flags);
|
map(segment + (i << 12)/4, (void *)pm_alloc(), PT_PRESENT | map_flags);
|
||||||
printf("Mapping : %x\n", segment + (i << 12));
|
// printf("Mapping : %x\n", segment + (i << 12)/4);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
for(uint32_t i = 0; i < entry.fsize/sizeof(uint32_t) + 1; i++){
|
for(uint32_t i = 0; i < entry.fsize/sizeof(uint32_t) + 1; i++){
|
||||||
|
|
@ -65,10 +65,12 @@ void *load_elf(void *file_data, uint32_t map_flags){
|
||||||
base_segment = load_segment(program_header[i], file_data, base_segment, map_flags);
|
base_segment = load_segment(program_header[i], file_data, base_segment, map_flags);
|
||||||
}
|
}
|
||||||
// void (*vt)(void) = base_segment;
|
// void (*vt)(void) = base_segment;
|
||||||
uint32_t (*vt)(uint32_t) = base_segment + 0x1000;
|
void (*vt)(uint32_t) = base_segment + header->entry_offset;
|
||||||
// printf("%x", *vt);
|
// printf("%x", *vt);
|
||||||
uint32_t i = (*vt)(0);
|
(*vt)(0);
|
||||||
printf("%x\n", i);
|
// printf("%x\n", i);
|
||||||
for(;;);
|
// for(;;);
|
||||||
// (*vt)();
|
// (*vt)();
|
||||||
|
printf(":D\n");
|
||||||
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
@ -8,6 +8,7 @@
|
||||||
void init_modules(kernel_info_t *kernel_info){
|
void init_modules(kernel_info_t *kernel_info){
|
||||||
mlog(MODULE_NAME, "Initializing Boot-Time Modules\n", MLOG_PRINT);
|
mlog(MODULE_NAME, "Initializing Boot-Time Modules\n", MLOG_PRINT);
|
||||||
kernel_module_t *module = kernel_info->loaded_modules;
|
kernel_module_t *module = kernel_info->loaded_modules;
|
||||||
|
uint32_t i = 0;
|
||||||
while(module){
|
while(module){
|
||||||
if(!module->ptr){
|
if(!module->ptr){
|
||||||
continue;
|
continue;
|
||||||
|
|
@ -15,8 +16,8 @@ void init_modules(kernel_info_t *kernel_info){
|
||||||
// printf("Module Type: %x, Module Size (Bytes): %x, Ptr: %x\n", module->type, module->size, module->ptr);
|
// printf("Module Type: %x, Module Size (Bytes): %x, Ptr: %x\n", module->type, module->size, module->ptr);
|
||||||
load_elf(module->ptr, 0);
|
load_elf(module->ptr, 0);
|
||||||
mlog(MODULE_NAME, "Loaded module of type %x\n", MLOG_PRINT, module->type);
|
mlog(MODULE_NAME, "Loaded module of type %x\n", MLOG_PRINT, module->type);
|
||||||
module = module->link;
|
|
||||||
// module->type |= 0x8000;//set present flag in type
|
// module->type |= 0x8000;//set present flag in type
|
||||||
module->type |= MODULE_PRESENT;
|
module->type |= MODULE_PRESENT;
|
||||||
|
module = module->link;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
@ -3,7 +3,7 @@
|
||||||
|
|
||||||
KOS_MAPI_FP api;
|
KOS_MAPI_FP api;
|
||||||
|
|
||||||
uint32_t init(KOS_MAPI_FP module_api){
|
void init(KOS_MAPI_FP module_api){
|
||||||
uint16_t *t = (void *)0xb8000;
|
uint16_t *t = (void *)0xb8000;
|
||||||
*t = 0x0f41;
|
*t = 0x0f41;
|
||||||
api = module_api;
|
api = module_api;
|
||||||
|
|
@ -11,5 +11,5 @@ uint32_t init(KOS_MAPI_FP module_api){
|
||||||
// (*t)++;
|
// (*t)++;
|
||||||
// // asm volatile( " " );
|
// // asm volatile( " " );
|
||||||
// }
|
// }
|
||||||
return &api;
|
return;
|
||||||
}
|
}
|
||||||
|
|
@ -1,11 +1,16 @@
|
||||||
#include <stdint.h>
|
#include <stdint.h>
|
||||||
|
#include "modlib.h"
|
||||||
|
|
||||||
void init(){
|
KOS_MAPI_FP api;
|
||||||
|
|
||||||
|
void init(KOS_MAPI_FP module_api){
|
||||||
uint16_t *t = (void *)0xb8002;
|
uint16_t *t = (void *)0xb8002;
|
||||||
*t = 0x0f41;
|
*t = 0x0f41;
|
||||||
// for(int i = 0; i < 1000; i++){
|
// for(int i = 0; i < 1000; i++){
|
||||||
// (*t)++;
|
// (*t)++;
|
||||||
// // asm volatile( " " );
|
// // asm volatile( " " );
|
||||||
// }
|
// }
|
||||||
for(;;);
|
// t = 0x50000000;
|
||||||
|
// *t = 1;
|
||||||
|
return;
|
||||||
}
|
}
|
||||||
Loading…
Reference in New Issue