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Fix code style

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This commit is contained in:
Braiden Vasco 2017-11-04 15:00:57 +00:00
parent e5a6f22bca
commit 14383505b2
1 changed files with 28 additions and 25 deletions
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53
arch/paging.c
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@ -4,42 +4,45 @@
#define I386_VM_PT_ENTRIES 1024
#define I386_PAGE_SIZE 4096
#define I386_BIG_PAGE_SIZE (I386_PAGE_SIZE * I386_VM_PT_ENTRIES)
#define I386_PAGE_SIZE 4096
#define I386_BIG_PAGE_SIZE (I386_PAGE_SIZE * I386_VM_PT_ENTRIES)
// i386 paging constants
#define I386_VM_PRESENT 0x001 // Page is present
#define I386_VM_WRITE 0x002 // Read/write access allowed
#define I386_VM_READ 0x000 // Read access only
#define I386_VM_USER 0x004 // User access allowed
#define I386_VM_PWT 0x008 // Write through
#define I386_VM_PCD 0x010 // Cache disable
#define I386_VM_ACC 0x020 // Accessed
#define I386_VM_ADDR_MASK 0xFFFFF000 // physical address
#define I386_VM_PRESENT 0x001 // Page is present
#define I386_VM_WRITE 0x002 // Read/write access allowed
#define I386_VM_READ 0x000 // Read access only
#define I386_VM_USER 0x004 // User access allowed
#define I386_VM_PWT 0x008 // Write through
#define I386_VM_PCD 0x010 // Cache disable
#define I386_VM_ACC 0x020 // Accessed
#define I386_VM_ADDR_MASK 0xFFFFF000 // physical address
#define I386_VM_ADDR_MASK_4MB 0xFFC00000 // physical address
#define I386_VM_OFFSET_MASK_4MB 0x003FFFFF // physical address
// Page directory specific flags.
#define I386_VM_BIGPAGE 0x080 // 4MB page
// CR0 bits
#define I386_CR0_PE 0x00000001 // Protected mode
#define I386_CR0_MP 0x00000002 // Monitor Coprocessor
#define I386_CR0_EM 0x00000004 // Emulate
#define I386_CR0_TS 0x00000008 // Task Switched
#define I386_CR0_ET 0x00000010 // Extension Type
#define I386_CR0_WP 0x00010000 // Enable paging
#define I386_CR0_PG 0x80000000 // Enable paging
#define I386_CR0_PE 0x00000001 // Protected mode
#define I386_CR0_MP 0x00000002 // Monitor Coprocessor
#define I386_CR0_EM 0x00000004 // Emulate
#define I386_CR0_TS 0x00000008 // Task Switched
#define I386_CR0_ET 0x00000010 // Extension Type
#define I386_CR0_WP 0x00010000 // Enable paging
#define I386_CR0_PG 0x80000000 // Enable paging
// some CR4 bits
#define I386_CR4_VME 0x00000001 // Virtual 8086
#define I386_CR4_PVI 0x00000002 // Virtual ints
#define I386_CR4_TSD 0x00000004 // RDTSC privileged
#define I386_CR4_DE 0x00000008 // Debugging extensions
#define I386_CR4_PSE 0x00000010 // Page size extensions
#define I386_CR4_PAE 0x00000020 // Physical addr extens
#define I386_CR4_MCE 0x00000040 // Machine check enable
#define I386_CR4_PGE 0x00000080 // Global page flag enable
#define I386_CR4_VME 0x00000001 // Virtual 8086
#define I386_CR4_PVI 0x00000002 // Virtual ints
#define I386_CR4_TSD 0x00000004 // RDTSC privileged
#define I386_CR4_DE 0x00000008 // Debugging extensions
#define I386_CR4_PSE 0x00000010 // Page size extensions
#define I386_CR4_PAE 0x00000020 // Physical addr extens
#define I386_CR4_MCE 0x00000040 // Machine check enable
#define I386_CR4_PGE 0x00000080 // Global page flag enable
// TODO: implement this
#define assert(n) if (n) {}