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Diffstat (limited to 'arch/arc/kernel/process.c')
-rw-r--r--arch/arc/kernel/process.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/arch/arc/kernel/process.c b/arch/arc/kernel/process.c
index e095c557a..440924567 100644
--- a/arch/arc/kernel/process.c
+++ b/arch/arc/kernel/process.c
@@ -44,7 +44,11 @@ SYSCALL_DEFINE0(arc_gettls)
void arch_cpu_idle(void)
{
/* sleep, but enable all interrupts before committing */
- __asm__("sleep 0x3");
+ if (is_isa_arcompact()) {
+ __asm__("sleep 0x3");
+ } else {
+ __asm__("sleep 0x10");
+ }
}
asmlinkage void ret_from_fork(void);
@@ -166,8 +170,7 @@ void start_thread(struct pt_regs * regs, unsigned long pc, unsigned long usp)
* [L] ZOL loop inhibited to begin with - cleared by a LP insn
* Interrupts enabled
*/
- regs->status32 = STATUS_U_MASK | STATUS_L_MASK |
- STATUS_E1_MASK | STATUS_E2_MASK;
+ regs->status32 = STATUS_U_MASK | STATUS_L_MASK | ISA_INIT_STATUS_BITS;
/* bogus seed values for debugging */
regs->lp_start = 0x10;
@@ -197,8 +200,11 @@ int elf_check_arch(const struct elf32_hdr *x)
{
unsigned int eflags;
- if (x->e_machine != EM_ARCOMPACT)
+ if (x->e_machine != EM_ARC_INUSE) {
+ pr_err("ELF not built for %s ISA\n",
+ is_isa_arcompact() ? "ARCompact":"ARCv2");
return 0;
+ }
eflags = x->e_flags;
if ((eflags & EF_ARC_OSABI_MSK) < EF_ARC_OSABI_CURRENT) {