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sprinkle __used so that variables referenced from asm code don't get

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optimized out.
This commit is contained in:
yamt 2005-04-21 14:03:24 +00:00
parent 5241cb4bbc
commit 7301e7ab7b
1 changed files with 17 additions and 5 deletions
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22
sys/arch/i386/acpi/acpi_wakeup.c
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@ -1,4 +1,4 @@
/* $NetBSD: acpi_wakeup.c,v 1.14 2005/01/26 21:46:38 jmcneill Exp $ */
/* $NetBSD: acpi_wakeup.c,v 1.15 2005/04/21 14:03:24 yamt Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: acpi_wakeup.c,v 1.14 2005/01/26 21:46:38 jmcneill Exp $");
__KERNEL_RCSID(0, "$NetBSD: acpi_wakeup.c,v 1.15 2005/04/21 14:03:24 yamt Exp $");
/*-
* Copyright (c) 2001 Takanori Watanabe <takawata@jp.freebsd.org>
@ -176,9 +176,21 @@ enter_s4_with_bios(void)
}
static u_int16_t r_ldt;
static u_int16_t r_cs, r_ds, r_es, r_fs, r_gs, r_ss, r_tr;
static u_int32_t r_eax, r_ebx, r_ecx, r_edx, r_ebp, r_esi, r_edi,
r_efl, r_cr0, r_cr2, r_cr3, r_cr4, r_esp;
static u_int16_t r_cs __used;
static u_int16_t r_ds, r_es, r_fs, r_gs, r_ss, r_tr;
static u_int32_t r_eax __used;
static u_int32_t r_ebx __used;
static u_int32_t r_ecx __used;
static u_int32_t r_edx __used;
static u_int32_t r_ebp __used;
static u_int32_t r_esi __used;
static u_int32_t r_edi __used;
static u_int32_t r_efl __used;
static u_int32_t r_cr0 __used;
static u_int32_t r_cr2 __used;
static u_int32_t r_cr3 __used;
static u_int32_t r_cr4 __used;
static u_int32_t r_esp __used;
static u_int32_t ret_addr;
static struct region_descriptor r_idt, r_gdt;