Cross Reference: /src/sys/arch/amd64/include/segments.h

Lines Matching defs:descriptor
108 #define SEL_LDT		4		/* local descriptor table */
156  * System segment descriptor (16 bytes): used for TSS and LDT.
162 	uint64_t sd_dpl:2;	/* segment descriptor priority level */
163 	uint64_t sd_p:1;	/* segment descriptor present */
174  * Memory segment descriptor (8 bytes): used for cs, ds, etc.
180 	unsigned sd_dpl:2;	/* segment descriptor priority level */
181 	unsigned sd_p:1;	/* segment descriptor present */
191  * Common part of the above structures. Used to walk descriptor tables.
209 	uint64_t gd_dpl:2;	/* segment descriptor priority level */
210 	uint64_t gd_p:1;	/* segment descriptor present */
218  * Generic descriptor (8 bytes). Note: it does not include system segment
221 union descriptor {
277 #define SDT_SYSLDT	 2	/* system local descriptor table */
314 #define SEGEX_IDT	0x02	/* interrupt descriptor table */
315 #define SEGEX_TI	0x04	/* local descriptor table */
318  * Entries in the Interrupt Descriptor Table (IDT)
324  * Entries in the Global Descriptor Table (GDT)
331 #define GNULL_SEL	0	/* Null descriptor */
332 #define GCODE_SEL	1	/* Kernel code descriptor */
333 #define GDATA_SEL	2	/* Kernel data descriptor */
334 #define GUCODE_SEL	3	/* User code descriptor */
335 #define GUDATA_SEL	4	/* User data descriptor */
351 #define GLDT_SEL	0	/* Default LDT descriptor */
360  * Byte offsets in the Local Descriptor Table (LDT)
363 #define LUCODE32_SEL	48	/* 32 bit user code descriptor */
364 #define LUDATA_SEL	56	/* User data descriptor */
365 #define LUCODE_SEL	64	/* User code descriptor */
366 #define LUDATA32_SEL	72	/* 32 bit user data descriptor (needed?)*/
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