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Make sure to start BE-8 programs with the PSR[E] set.

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This commit is contained in:
matt 2014-01-10 18:03:26 +00:00
parent 5f4d36326b
commit dd17f39af9
1 changed files with 12 additions and 3 deletions
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15
sys/arch/arm/arm/arm_machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: arm_machdep.c,v 1.39 2013/11/06 02:34:10 christos Exp $ */
/* $NetBSD: arm_machdep.c,v 1.40 2014/01/10 18:03:26 matt Exp $ */
/*
* Copyright (c) 2001 Wasabi Systems, Inc.
@ -78,7 +78,7 @@
#include <sys/param.h>
__KERNEL_RCSID(0, "$NetBSD: arm_machdep.c,v 1.39 2013/11/06 02:34:10 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: arm_machdep.c,v 1.40 2014/01/10 18:03:26 matt Exp $");
#include <sys/exec.h>
#include <sys/proc.h>
@ -174,12 +174,21 @@ setregs(struct lwp *l, struct exec_package *pack, vaddr_t stack)
tf->tf_svc_lr = 0x77777777; /* Something we can see */
tf->tf_pc = pack->ep_entry;
#ifdef __PROG32
#if defined(__ARMEB__)
/*
* If we are running on ARMv7, we need to set the E bit to force
* programs to start as big endian.
*/
tf->tf_spsr = PSR_USR32_MODE | (CPU_IS_ARMV7_P() ? PSR_E_BIT : 0);
#else
tf->tf_spsr = PSR_USR32_MODE;
#endif /* __ARMEB__ */
#ifdef THUMB_CODE
if (pack->ep_entry & 1)
tf->tf_spsr |= PSR_T_bit;
#endif
#endif
#endif /* __PROG32 */
l->l_md.md_flags = 0;
#ifdef EXEC_AOUT