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Add macro "PAGE_DIR_ADDR"
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2 changed files with 4 additions and 4 deletions
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@ -5,6 +5,8 @@
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#define PAGE_DIR_ALIGN 4096
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#define PAGE_DIR_ADDR(base) ((base) >> 12)
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struct PageDir_Entry {
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unsigned int present : 1;
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unsigned int writable : 1;
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@ -24,8 +24,6 @@
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#define I386_CR4_MCE 0x00000040 // Machine check enable
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#define I386_CR4_PGE 0x00000080 // Global page flag enable
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#define BIG_PAGE_BASE_TO_ADDR(base) ((base) >> 12)
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unsigned long read_cr0();
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unsigned long read_cr4();
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@ -73,7 +71,7 @@ void paging_clear()
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void paging_identity()
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{
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for (int i = 0; i < PAGE_DIR_LENGTH; ++i) {
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pagedir[i].addr = BIG_PAGE_BASE_TO_ADDR(i * PAGE_BIG_SIZE);
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pagedir[i].addr = PAGE_DIR_ADDR(i * PAGE_BIG_SIZE);
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pagedir[i].unused = 0;
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pagedir[i].ignored = 0;
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@ -99,7 +97,7 @@ int paging_mapkernel(const struct KernelMQ_Info *const kinfo)
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unsigned long kern_phys = kinfo->kernel_phys_base;
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while (mapped < kinfo->kernel_size) {
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pagedir[pde].addr = BIG_PAGE_BASE_TO_ADDR(kern_phys);
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pagedir[pde].addr = PAGE_DIR_ADDR(kern_phys);
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pagedir[pde].unused = 0;
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pagedir[pde].ignored = 0;
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