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Updated the members of GDT-descriptor structure

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I've updated the types for the members of the GDT-descriptor structure (gdt_descriptor_t) to not all be 32-bit integers.
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OptimisticSide 2020-11-11 09:36:36 -08:00 committed by GitHub
parent b709c462d8
commit f85155cb7e
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1 changed files with 11 additions and 11 deletions
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22
kernel/include/gdt_types.hpp
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@ -50,18 +50,18 @@ struct gdt_ptr {
} __attribute__ ((packed)); } __attribute__ ((packed));
struct gdt_descriptor_t { struct gdt_descriptor_t {
unsigned int limit_low : 16; uint16_t limit_low : 16;
unsigned int base_low : 24; uint32_t base_low : 24;
uint8_t type : 4; uint8_t type : 4;
unsigned int always_1 : 1; uint8_t always_1 : 1;
unsigned int dpl : 2; uint8_t dpl : 2;
unsigned int present : 1; uint8_t present : 1;
unsigned int limit_high : 4; uint8_t limit_high : 4;
unsigned int avl : 1; uint8_t avl : 1;
unsigned int long_mode : 1; uint8_t long_mode : 1;
unsigned int big : 1; uint8_t big : 1;
unsigned int granularity : 1; uint8_t granularity : 1;
unsigned int base_high : 8; uing32_t base_high : 8;
} __attribute__((packed)); } __attribute__((packed));
static_assert(sizeof(gdt_descriptor_t) == 8, "GDT selector in long mode is 8 bytes long"); static_assert(sizeof(gdt_descriptor_t) == 8, "GDT selector in long mode is 8 bytes long");