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Commit 25c47bb3 authored by Rusty Russell's avatar Rusty Russell
Browse files

lguest: use defines from x86 headers instead of magic numbers 



Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
parent db24e8c2

arch/x86/lguest/boot.c

+2 −3
Original line number Diff line number Diff line
@@ -371,8 +371,7 @@ static void lguest_cpuid(unsigned int *eax, unsigned int *ebx, 
static unsigned long current_cr0, current_cr3;

static void lguest_write_cr0(unsigned long val)

{

	/* 8 == TS bit. */

	lazy_hcall(LHCALL_TS, val & 8, 0, 0);

	lazy_hcall(LHCALL_TS, val & X86_CR0_TS, 0, 0);

	current_cr0 = val;

}
@@ -387,7 +386,7 @@ static unsigned long lguest_read_cr0(void) 
static void lguest_clts(void)

{

	lazy_hcall(LHCALL_TS, 0, 0, 0);

	current_cr0 &= ~8U;

	current_cr0 &= ~X86_CR0_TS;

}



/* CR2 is the virtual address of the last page fault, which the Guest only ever

drivers/lguest/x86/core.c

+1 −1
Original line number Diff line number Diff line
@@ -562,7 +562,7 @@ void lguest_arch_setup_regs(struct lguest *lg, unsigned long start) 
	 * is supposed to always be "1".  Bit 9 (0x200) controls whether

	 * interrupts are enabled.  We always leave interrupts enabled while

	 * running the Guest. */

	regs->eflags = 0x202;

	regs->eflags = X86_EFLAGS_IF | 0x2;



	/* The "Extended Instruction Pointer" register says where the Guest is

	 * running. */