pt_regs Struct Reference

Interrupt stack frame. More...

Public Attributes
uint32_t	gs
	FS and GS have no hardware-assigned uses.
uint32_t	fs
	FS and GS have no hardware-assigned uses.
uint32_t	es
	Extra Segment determined by the programmer.
uint32_t	ds
	Data Segment.
uint32_t	edi
	32-bit destination register.
uint32_t	esi
	32-bit source register.
uint32_t	ebp
	32-bit base pointer register.
uint32_t	esp
	32-bit stack pointer register.
uint32_t	ebx
	32-bit base register.
uint32_t	edx
	32-bit data register.
uint32_t	ecx
	32-bit counter.
uint32_t	eax
	32-bit accumulator register.
uint32_t	int_no
	Interrupt number.
uint32_t	err_code
	Error code.
uint32_t	eip
	Instruction Pointer Register.
uint32_t	cs
	Code Segment.
uint32_t	eflags
	32-bit flag register.
uint32_t	useresp
	User application ESP.
uint32_t	ss
	Stack Segment.

Detailed Description

Interrupt stack frame.

When the CPU moves from Ring3 to Ring0 because of an interrupt, the following registes/values are moved into the kernel's stack

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The documentation for this struct was generated from the following file:

• /home/enrico/repository/personal/mentos/mentos/inc/kernel.h