Changeset 8fb1bf82 in mainline for kernel/arch/amd64
- Timestamp:
- 2010-11-25T13:42:50Z (16 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/fix-logger-deadlock, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- 8df8415
- Parents:
- a93d79a (diff), eb667613 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the(diff)links above to see all the changes relative to each parent. - Location:
- kernel/arch/amd64
- Files:
-
- 1 added
- 17 edited
-
include/context.h (modified) (2 diffs)
-
include/context_offset.h (modified) (3 diffs)
-
include/cpu.h (modified) (1 diff)
-
include/debugger.h (modified) (1 diff)
-
include/interrupt.h (modified) (2 diffs)
-
include/istate.h (added)
-
include/mm/as.h (modified) (1 diff)
-
include/mm/page.h (modified) (3 diffs)
-
include/pm.h (modified) (2 diffs)
-
include/types.h (modified) (1 diff)
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src/asm.S (modified) (7 diffs)
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src/boot/boot.S (modified) (1 diff)
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src/boot/memmap.c (modified) (1 diff)
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src/context.S (modified) (2 diffs)
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src/cpu/cpu.c (modified) (1 diff)
-
src/ddi/ddi.c (modified) (1 diff)
-
src/debugger.c (modified) (4 diffs)
-
src/pm.c (modified) (7 diffs)
Legend:
- Unmodified
- Added
- Removed
-
kernel/arch/amd64/include/context.h
ra93d79a r8fb1bf82 27 27 */ 28 28 29 /** @addtogroup amd64 29 /** @addtogroup amd64 30 30 * @{ 31 31 */ … … 44 44 * panic sooner or later 45 45 */ 46 #define SP_DELTA 1646 #define SP_DELTA 16 47 47 48 48 #define context_set(c, _pc, stack, size) \ -
kernel/arch/amd64/include/context_offset.h
ra93d79a r8fb1bf82 30 30 #define KERN_amd64_CONTEXT_OFFSET_H_ 31 31 32 #define OFFSET_SP 0x033 #define OFFSET_PC 0x834 #define OFFSET_RBX 0x1035 #define OFFSET_RBP 0x1836 #define OFFSET_R12 0x2037 #define OFFSET_R13 0x2838 #define OFFSET_R14 0x3039 #define OFFSET_R15 0x3832 #define OFFSET_SP 0x00 33 #define OFFSET_PC 0x08 34 #define OFFSET_RBX 0x10 35 #define OFFSET_RBP 0x18 36 #define OFFSET_R12 0x20 37 #define OFFSET_R13 0x28 38 #define OFFSET_R14 0x30 39 #define OFFSET_R15 0x38 40 40 41 41 #ifdef KERNEL 42 # define OFFSET_IPL0x4042 #define OFFSET_IPL 0x40 43 43 #else 44 # define OFFSET_TLS0x4044 #define OFFSET_TLS 0x40 45 45 #endif 46 46 47 47 #ifdef __ASM__ 48 48 49 # ctx: address of the structure with saved context 49 # ctx: address of the structure with saved context 50 50 # pc: return address 51 51 .macro CONTEXT_SAVE_ARCH_CORE ctx:req pc:req … … 61 61 .endm 62 62 63 # ctx: address of the structure with saved context 63 # ctx: address of the structure with saved context 64 64 .macro CONTEXT_RESTORE_ARCH_CORE ctx:req pc:req 65 65 movq OFFSET_R15(\ctx), %r15 … … 68 68 movq OFFSET_R12(\ctx), %r12 69 69 movq OFFSET_RBP(\ctx), %rbp 70 movq OFFSET_RBX(\ctx), %rbx 70 movq OFFSET_RBX(\ctx), %rbx 71 71 72 72 movq OFFSET_SP(\ctx), %rsp # ctx->sp -> %rsp -
kernel/arch/amd64/include/cpu.h
ra93d79a r8fb1bf82 36 36 #define KERN_amd64_CPU_H_ 37 37 38 #define RFLAGS_CF (1 << 0)39 #define RFLAGS_PF (1 << 2)40 #define RFLAGS_AF (1 << 4)41 #define RFLAGS_ZF (1 << 6)42 #define RFLAGS_SF (1 << 7)43 #define RFLAGS_TF (1 << 8)44 #define RFLAGS_IF (1 << 9)45 #define RFLAGS_DF (1 << 10)46 #define RFLAGS_OF (1 << 11)47 #define RFLAGS_NT (1 << 14)48 #define RFLAGS_RF (1 << 16)38 #define RFLAGS_CF (1 << 0) 39 #define RFLAGS_PF (1 << 2) 40 #define RFLAGS_AF (1 << 4) 41 #define RFLAGS_ZF (1 << 6) 42 #define RFLAGS_SF (1 << 7) 43 #define RFLAGS_TF (1 << 8) 44 #define RFLAGS_IF (1 << 9) 45 #define RFLAGS_DF (1 << 10) 46 #define RFLAGS_OF (1 << 11) 47 #define RFLAGS_NT (1 << 14) 48 #define RFLAGS_RF (1 << 16) 49 49 50 50 #define EFER_MSR_NUM 0xc0000080 -
kernel/arch/amd64/include/debugger.h
ra93d79a r8fb1bf82 41 41 42 42 /* Flags that are passed to breakpoint_add function */ 43 #define BKPOINT_INSTR 0x1 44 #define BKPOINT_WRITE 0x2 45 #define BKPOINT_READ_WRITE 0x4 43 #define BKPOINT_INSTR 0x1U 44 #define BKPOINT_WRITE 0x2U 45 #define BKPOINT_READ_WRITE 0x4U 46 46 47 #define BKPOINT_CHECK_ZERO 0x8 47 #define BKPOINT_CHECK_ZERO 0x8U 48 48 49 49 -
kernel/arch/amd64/include/interrupt.h
ra93d79a r8fb1bf82 37 37 38 38 #include <typedefs.h> 39 #include <arch/istate.h> 39 40 #include <arch/pm.h> 40 #include <trace.h>41 41 42 42 #define IVT_ITEMS IDT_ITEMS … … 71 71 #define VECTOR_DEBUG_IPI (IVT_FREEBASE + 2) 72 72 73 /** This is passed to interrupt handlers */74 typedef struct istate {75 uint64_t rax;76 uint64_t rbx;77 uint64_t rcx;78 uint64_t rdx;79 uint64_t rsi;80 uint64_t rdi;81 uint64_t rbp;82 uint64_t r8;83 uint64_t r9;84 uint64_t r10;85 uint64_t r11;86 uint64_t r12;87 uint64_t r13;88 uint64_t r14;89 uint64_t r15;90 uint64_t alignment; /* align rbp_frame on multiple of 16 */91 uint64_t rbp_frame; /* imitation of frame pointer linkage */92 uint64_t rip_frame; /* imitation of return address linkage */93 uint64_t error_word; /* real or fake error word */94 uint64_t rip;95 uint64_t cs;96 uint64_t rflags;97 uint64_t rsp; /* only if istate_t is from uspace */98 uint64_t ss; /* only if istate_t is from uspace */99 } istate_t;100 101 /** Return true if exception happened while in userspace */102 NO_TRACE static inline int istate_from_uspace(istate_t *istate)103 {104 return !(istate->rip & 0x8000000000000000);105 }106 107 NO_TRACE static inline void istate_set_retaddr(istate_t *istate,108 uintptr_t retaddr)109 {110 istate->rip = retaddr;111 }112 113 NO_TRACE static inline unative_t istate_get_pc(istate_t *istate)114 {115 return istate->rip;116 }117 118 NO_TRACE static inline unative_t istate_get_fp(istate_t *istate)119 {120 return istate->rbp;121 }122 123 73 extern void (* disable_irqs_function)(uint16_t); 124 74 extern void (* enable_irqs_function)(uint16_t); -
kernel/arch/amd64/include/mm/as.h
ra93d79a r8fb1bf82 36 36 #define KERN_amd64_AS_H_ 37 37 38 #define ADDRESS_SPACE_HOLE_START UINT64_C(0x0000800000000000) 39 #define ADDRESS_SPACE_HOLE_END UINT64_C(0xffff7fffffffffff) 40 38 41 #define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH 0 39 42 40 #define KERNEL_ADDRESS_SPACE_START_ARCH (unsigned long) 0xffff80000000000041 #define KERNEL_ADDRESS_SPACE_END_ARCH (unsigned long) 0xffffffffffffffff43 #define KERNEL_ADDRESS_SPACE_START_ARCH UINT64_C(0xffff800000000000) 44 #define KERNEL_ADDRESS_SPACE_END_ARCH UINT64_C(0xffffffffffffffff) 42 45 43 #define USER_ADDRESS_SPACE_START_ARCH (unsigned long) 0x000000000000000044 #define USER_ADDRESS_SPACE_END_ARCH (unsigned long) 0x00007fffffffffff46 #define USER_ADDRESS_SPACE_START_ARCH UINT64_C(0x0000000000000000) 47 #define USER_ADDRESS_SPACE_END_ARCH UINT64_C(0x00007fffffffffff) 45 48 46 49 #define USTACK_ADDRESS_ARCH (USER_ADDRESS_SPACE_END_ARCH - (PAGE_SIZE - 1)) -
kernel/arch/amd64/include/mm/page.h
ra93d79a r8fb1bf82 55 55 #ifndef __ASM__ 56 56 57 #define KA2PA(x) (((uintptr_t) (x)) - 0xffff800000000000)58 #define PA2KA(x) (((uintptr_t) (x)) + 0xffff800000000000)57 #define KA2PA(x) (((uintptr_t) (x)) - UINT64_C(0xffff800000000000)) 58 #define PA2KA(x) (((uintptr_t) (x)) + UINT64_C(0xffff800000000000)) 59 59 60 60 #else /* __ASM__ */ … … 78 78 79 79 /* Macros calculating indices into page tables in each level. */ 80 #define PTL0_INDEX_ARCH(vaddr) (((vaddr) >> 39) & 0x1ff )81 #define PTL1_INDEX_ARCH(vaddr) (((vaddr) >> 30) & 0x1ff )82 #define PTL2_INDEX_ARCH(vaddr) (((vaddr) >> 21) & 0x1ff )83 #define PTL3_INDEX_ARCH(vaddr) (((vaddr) >> 12) & 0x1ff )80 #define PTL0_INDEX_ARCH(vaddr) (((vaddr) >> 39) & 0x1ffU) 81 #define PTL1_INDEX_ARCH(vaddr) (((vaddr) >> 30) & 0x1ffU) 82 #define PTL2_INDEX_ARCH(vaddr) (((vaddr) >> 21) & 0x1ffU) 83 #define PTL3_INDEX_ARCH(vaddr) (((vaddr) >> 12) & 0x1ffU) 84 84 85 85 /* Get PTE address accessors for each level. */ … … 205 205 pte_t *p = &pt[i]; 206 206 207 p->addr_12_31 = (a >> 12) & 0xfffff;207 p->addr_12_31 = (a >> 12) & UINT32_C(0xfffff); 208 208 p->addr_32_51 = a >> 32; 209 209 } -
kernel/arch/amd64/include/pm.h
ra93d79a r8fb1bf82 75 75 #define AR_WRITABLE (1 << 1) 76 76 #define AR_READABLE (1 << 1) 77 #define AR_TSS (0x09 )78 #define AR_INTERRUPT (0x0e )79 #define AR_TRAP (0x0f )77 #define AR_TSS (0x09U) 78 #define AR_INTERRUPT (0x0eU) 79 #define AR_TRAP (0x0fU) 80 80 81 81 #define DPL_KERNEL (PL_KERNEL << 5) … … 83 83 84 84 #define TSS_BASIC_SIZE 104 85 #define TSS_IOMAP_SIZE ( 16 * 1024 + 1) /* 16K for bitmap + 1 terminating byte for convenience */85 #define TSS_IOMAP_SIZE (8 * 1024 + 1) /* 8K for bitmap + 1 terminating byte for convenience */ 86 86 87 87 #define IO_PORTS (64 * 1024) -
kernel/arch/amd64/include/types.h
ra93d79a r8fb1bf82 50 50 } fncptr_t; 51 51 52 /* Formats for uintptr_t, size_t */ 53 #define PRIp "llx" 54 #define PRIs "llu" 55 56 /* Formats for (u)int8_t, (u)int16_t, (u)int32_t, (u)int64_t and (u)native_t */ 57 #define PRId8 "d" 58 #define PRId16 "d" 59 #define PRId32 "d" 60 #define PRId64 "lld" 61 #define PRIdn "lld" 62 63 #define PRIu8 "u" 64 #define PRIu16 "u" 65 #define PRIu32 "u" 66 #define PRIu64 "llu" 67 #define PRIun "llu" 68 69 #define PRIx8 "x" 70 #define PRIx16 "x" 71 #define PRIx32 "x" 72 #define PRIx64 "llx" 73 #define PRIxn "llx" 52 #define PRIp PRIx64 /**< Format for uintptr_t. */ 53 #define PRIs PRIu64 /**< Format for size_t. */ 54 #define PRIdn PRId64 /**< Format for native_t. */ 55 #define PRIun PRIu64 /**< Format for unative_t. */ 56 #define PRIxn PRIx64 /**< Format for hexadecimal unative_t. */ 74 57 75 58 #endif -
kernel/arch/amd64/src/asm.S
ra93d79a r8fb1bf82 95 95 memcpy_from_uspace_failover_address: 96 96 memcpy_to_uspace_failover_address: 97 xor q %rax, %rax /* return 0, failure */97 xorl %eax, %eax /* return 0, failure */ 98 98 ret 99 99 … … 143 143 144 144 set_efer_flag: 145 mov q $0xc0000080, %rcx145 movl $0xc0000080, %ecx 146 146 rdmsr 147 147 btsl %edi, %eax … … 150 150 151 151 read_efer_flag: 152 mov q $0xc0000080, %rcx152 movl $0xc0000080, %ecx 153 153 rdmsr 154 154 ret … … 243 243 * Stop stack traces here if we came from userspace. 244 244 */ 245 xor q %rdx, %rdx245 xorl %edx, %edx 246 246 cmpq $(GDT_SELECTOR(KTEXT_DES)), ISTATE_OFFSET_CS(%rsp) 247 247 cmovnzq %rdx, %rbp … … 386 386 movq ISTATE_OFFSET_RSP(%rsp), %rsp 387 387 388 /* 389 * Clear the rest of the scratch registers to prevent information leak. 390 * The 32-bit XOR on the low GPRs actually clears the entire 64-bit 391 * register and the instruction is shorter. 392 */ 393 xorl %edx, %edx 394 xorl %esi, %esi 395 xorl %edi, %edi 396 xorq %r8, %r8 397 xorq %r9, %r9 398 xorq %r10, %r10 399 388 400 sysretq 389 401 … … 413 425 movq %rdi, %rsi 414 426 movq $(PA2KA(0xb8000)), %rdi /* base of EGA text mode memory */ 415 xor q %rax, %rax427 xorl %eax, %eax 416 428 417 429 /* Read bits 8 - 15 of the cursor address */ … … 493 505 movq $(PA2KA(0xb80a0)), %rsi 494 506 movq $(PA2KA(0xb8000)), %rdi 495 mov q $480, %rcx507 movl $480, %ecx 496 508 rep movsq 497 509 498 510 /* Clear the 24th row */ 499 xor q %rax, %rax500 mov q $20, %rcx511 xorl %eax, %eax 512 movl $20, %ecx 501 513 rep stosq 502 514 -
kernel/arch/amd64/src/boot/boot.S
ra93d79a r8fb1bf82 516 516 movq $(PA2KA(0xb80a0)), %rsi 517 517 movq $(PA2KA(0xb8000)), %rdi 518 mov q $480, %rcx518 movl $480, %ecx 519 519 rep movsq 520 520 521 521 /* Clear the 24th row */ 522 xor q %rax, %rax523 mov q $20, %rcx522 xorl %eax, %eax 523 movl $20, %ecx 524 524 rep stosq 525 525 -
kernel/arch/amd64/src/boot/memmap.c
ra93d79a r8fb1bf82 35 35 #include <arch/boot/memmap.h> 36 36 37 uint8_t e820counter = 0xff ;37 uint8_t e820counter = 0xffU; 38 38 e820memmap_t e820table[MEMMAP_E820_MAX_RECORDS]; 39 39 -
kernel/arch/amd64/src/context.S
ra93d79a r8fb1bf82 45 45 CONTEXT_SAVE_ARCH_CORE %rdi %rdx 46 46 47 xor q %rax, %rax # context_save returns 148 inc q %rax47 xorl %eax, %eax # context_save returns 1 48 incl %eax 49 49 ret 50 50 … … 60 60 movq %rdx, (%rsp) 61 61 62 xor q %rax, %rax # context_restore returns 062 xorl %eax, %eax # context_restore returns 0 63 63 ret -
kernel/arch/amd64/src/cpu/cpu.c
ra93d79a r8fb1bf82 47 47 * Contains only non-MP-Specification specific SMP code. 48 48 */ 49 #define AMD_CPUID_EBX 0x6874754150 #define AMD_CPUID_ECX 0x444d416351 #define AMD_CPUID_EDX 0x69746e6549 #define AMD_CPUID_EBX UINT32_C(0x68747541) 50 #define AMD_CPUID_ECX UINT32_C(0x444d4163) 51 #define AMD_CPUID_EDX UINT32_C(0x69746e65) 52 52 53 #define INTEL_CPUID_EBX 0x756e6547 54 #define INTEL_CPUID_ECX 0x6c65746e 55 #define INTEL_CPUID_EDX 0x49656e69 56 53 #define INTEL_CPUID_EBX UINT32_C(0x756e6547) 54 #define INTEL_CPUID_ECX UINT32_C(0x6c65746e) 55 #define INTEL_CPUID_EDX UINT32_C(0x49656e69) 57 56 58 57 enum vendor { -
kernel/arch/amd64/src/ddi/ddi.c
ra93d79a r8fb1bf82 126 126 bitmap_initialize(&iomap, CPU->arch.tss->iomap, 127 127 TSS_IOMAP_SIZE * 8); 128 bitmap_copy(&iomap, &TASK->arch.iomap, TASK->arch.iomap.bits);128 bitmap_copy(&iomap, &TASK->arch.iomap, bits); 129 129 130 /* 131 * Set the trailing bits in the last byte of the map to disable 132 * I/O access. 133 */ 134 bitmap_set_range(&iomap, bits, ALIGN_UP(bits, 8) - bits); 130 135 /* 131 136 * It is safe to set the trailing eight bits because of the 132 137 * extra convenience byte in TSS_IOMAP_SIZE. 133 138 */ 134 bitmap_set_range(&iomap, ALIGN_UP( TASK->arch.iomap.bits, 8), 8);139 bitmap_set_range(&iomap, ALIGN_UP(bits, 8), 8); 135 140 } 136 141 irq_spinlock_unlock(&TASK->lock, false); -
kernel/arch/amd64/src/debugger.c
ra93d79a r8fb1bf82 126 126 /* Disable breakpoint in DR7 */ 127 127 unative_t dr7 = read_dr7(); 128 dr7 &= ~(0x 2<< (curidx * 2));128 dr7 &= ~(0x02U << (curidx * 2)); 129 129 130 130 /* Setup DR register */ … … 147 147 148 148 /* Set type to requested breakpoint & length*/ 149 dr7 &= ~(0x 3<< (16 + 4 * curidx));150 dr7 &= ~(0x 3<< (18 + 4 * curidx));149 dr7 &= ~(0x03U << (16 + 4 * curidx)); 150 dr7 &= ~(0x03U << (18 + 4 * curidx)); 151 151 152 152 if (!(flags & BKPOINT_INSTR)) { 153 153 #ifdef __32_BITS__ 154 dr7 |= ((unative_t) 0x 3) << (18 + 4 * curidx);154 dr7 |= ((unative_t) 0x03U) << (18 + 4 * curidx); 155 155 #endif 156 156 157 157 #ifdef __64_BITS__ 158 dr7 |= ((unative_t) 0x 2) << (18 + 4 * curidx);158 dr7 |= ((unative_t) 0x02U) << (18 + 4 * curidx); 159 159 #endif 160 160 161 161 if ((flags & BKPOINT_WRITE)) 162 dr7 |= ((unative_t) 0x 1) << (16 + 4 * curidx);162 dr7 |= ((unative_t) 0x01U) << (16 + 4 * curidx); 163 163 else if ((flags & BKPOINT_READ_WRITE)) 164 dr7 |= ((unative_t) 0x 3) << (16 + 4 * curidx);164 dr7 |= ((unative_t) 0x03U) << (16 + 4 * curidx); 165 165 } 166 166 167 167 /* Enable global breakpoint */ 168 dr7 |= 0x 2<< (curidx * 2);168 dr7 |= 0x02U << (curidx * 2); 169 169 170 170 write_dr7(dr7); … … 260 260 } 261 261 262 cur->address = NULL;262 cur->address = (uintptr_t) NULL; 263 263 264 264 setup_dr(slot); … … 313 313 unsigned int i; 314 314 for (i = 0; i < BKPOINTS_MAX; i++) 315 breakpoints[i].address = NULL;315 breakpoints[i].address = (uintptr_t) NULL; 316 316 317 317 #ifdef CONFIG_KCONSOLE -
kernel/arch/amd64/src/pm.c
ra93d79a r8fb1bf82 28 28 */ 29 29 30 /** @addtogroup amd64 30 /** @addtogroup amd64 31 31 * @{ 32 32 */ … … 52 52 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 53 53 /* KTEXT descriptor */ 54 { .limit_0_15 = 0xffff ,55 .base_0_15 = 0, 56 .base_16_23 = 0, 57 .access = AR_PRESENT | AR_CODE | DPL_KERNEL | AR_READABLE, 58 .limit_16_19 = 0x f,59 .available = 0, 60 .longmode = 1, 54 { .limit_0_15 = 0xffffU, 55 .base_0_15 = 0, 56 .base_16_23 = 0, 57 .access = AR_PRESENT | AR_CODE | DPL_KERNEL | AR_READABLE, 58 .limit_16_19 = 0x0fU, 59 .available = 0, 60 .longmode = 1, 61 61 .special = 0, 62 .granularity = 1, 62 .granularity = 1, 63 63 .base_24_31 = 0 }, 64 64 /* KDATA descriptor */ 65 { .limit_0_15 = 0xffff ,66 .base_0_15 = 0, 67 .base_16_23 = 0, 68 .access = AR_PRESENT | AR_DATA | AR_WRITABLE | DPL_KERNEL, 69 .limit_16_19 = 0x f,70 .available = 0, 71 .longmode = 0, 72 .special = 0, 73 .granularity = 1, 65 { .limit_0_15 = 0xffffU, 66 .base_0_15 = 0, 67 .base_16_23 = 0, 68 .access = AR_PRESENT | AR_DATA | AR_WRITABLE | DPL_KERNEL, 69 .limit_16_19 = 0x0fU, 70 .available = 0, 71 .longmode = 0, 72 .special = 0, 73 .granularity = 1, 74 74 .base_24_31 = 0 }, 75 75 /* UDATA descriptor */ 76 { .limit_0_15 = 0xffff ,77 .base_0_15 = 0, 78 .base_16_23 = 0, 79 .access = AR_PRESENT | AR_DATA | AR_WRITABLE | DPL_USER, 80 .limit_16_19 = 0x f,81 .available = 0, 82 .longmode = 0, 83 .special = 1, 84 .granularity = 1, 76 { .limit_0_15 = 0xffffU, 77 .base_0_15 = 0, 78 .base_16_23 = 0, 79 .access = AR_PRESENT | AR_DATA | AR_WRITABLE | DPL_USER, 80 .limit_16_19 = 0x0fU, 81 .available = 0, 82 .longmode = 0, 83 .special = 1, 84 .granularity = 1, 85 85 .base_24_31 = 0 }, 86 86 /* UTEXT descriptor */ 87 { .limit_0_15 = 0xffff ,88 .base_0_15 = 0, 89 .base_16_23 = 0, 90 .access = AR_PRESENT | AR_CODE | DPL_USER, 91 .limit_16_19 = 0x f,92 .available = 0, 93 .longmode = 1, 94 .special = 0, 95 .granularity = 1, 87 { .limit_0_15 = 0xffffU, 88 .base_0_15 = 0, 89 .base_16_23 = 0, 90 .access = AR_PRESENT | AR_CODE | DPL_USER, 91 .limit_16_19 = 0x0fU, 92 .available = 0, 93 .longmode = 1, 94 .special = 0, 95 .granularity = 1, 96 96 .base_24_31 = 0 }, 97 97 /* KTEXT 32-bit protected, for protected mode before long mode */ 98 { .limit_0_15 = 0xffff ,99 .base_0_15 = 0, 100 .base_16_23 = 0, 101 .access = AR_PRESENT | AR_CODE | DPL_KERNEL | AR_READABLE, 102 .limit_16_19 = 0x f,103 .available = 0, 104 .longmode = 0, 98 { .limit_0_15 = 0xffffU, 99 .base_0_15 = 0, 100 .base_16_23 = 0, 101 .access = AR_PRESENT | AR_CODE | DPL_KERNEL | AR_READABLE, 102 .limit_16_19 = 0x0fU, 103 .available = 0, 104 .longmode = 0, 105 105 .special = 1, 106 .granularity = 1, 106 .granularity = 1, 107 107 .base_24_31 = 0 }, 108 108 /* TSS descriptor - set up will be completed later, … … 111 111 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 112 112 /* VESA Init descriptor */ 113 #ifdef CONFIG_FB 114 { 0xffff, 0, VESA_INIT_SEGMENT >> 12, AR_PRESENT | AR_CODE | DPL_KERNEL, 115 0xf, 0, 0, 0, 0, 0 113 #ifdef CONFIG_FB 114 { 115 0xffff, 0, VESA_INIT_SEGMENT >> 12, AR_PRESENT | AR_CODE | DPL_KERNEL, 116 0xf, 0, 0, 0, 0, 0 116 117 } 117 118 #endif … … 129 130 { 130 131 tss_descriptor_t *td = (tss_descriptor_t *) d; 131 132 td->base_0_15 = base & 0xffff ;133 td->base_16_23 = ((base) >> 16) & 0xff ;134 td->base_24_31 = ((base) >> 24) & 0xff ;132 133 td->base_0_15 = base & 0xffffU; 134 td->base_16_23 = ((base) >> 16) & 0xffU; 135 td->base_24_31 = ((base) >> 24) & 0xffU; 135 136 td->base_32_63 = ((base) >> 32); 136 137 } … … 140 141 tss_descriptor_t *td = (tss_descriptor_t *) d; 141 142 142 td->limit_0_15 = limit & 0xffff ;143 td->limit_16_19 = (limit >> 16) & 0x f;143 td->limit_0_15 = limit & 0xffffU; 144 td->limit_16_19 = (limit >> 16) & 0x0fU; 144 145 } 145 146 … … 149 150 * Offset is a linear address. 150 151 */ 151 d->offset_0_15 = offset & 0xffff ;152 d->offset_16_31 = offset >> 16 & 0xffff;152 d->offset_0_15 = offset & 0xffffU; 153 d->offset_16_31 = (offset >> 16) & 0xffffU; 153 154 d->offset_32_63 = offset >> 32; 154 155 } … … 165 166 { 166 167 idescriptor_t *d; 167 int i;168 168 unsigned int i; 169 169 170 for (i = 0; i < IDT_ITEMS; i++) { 170 171 d = &idt[i]; 171 172 172 173 d->unused = 0; 173 174 d->selector = GDT_SELECTOR(KTEXT_DES); 174 175 175 176 d->present = 1; 176 d->type = AR_INTERRUPT; /* masking interrupt */177 d->type = AR_INTERRUPT; /* masking interrupt */ 177 178 } 178 179 179 180 d = &idt[0]; 180 181 idt_setoffset(d++, (uintptr_t) &int_0);
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