diff options
Diffstat (limited to 'arch/arm64/include/asm/processor.h')
| -rw-r--r-- | arch/arm64/include/asm/processor.h | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h index 39a208a392f..77f696c1433 100644 --- a/arch/arm64/include/asm/processor.h +++ b/arch/arm64/include/asm/processor.h @@ -43,6 +43,8 @@ #else #define STACK_TOP STACK_TOP_MAX #endif /* CONFIG_COMPAT */ + +#define ARCH_LOW_ADDRESS_LIMIT PHYS_MASK #endif /* __KERNEL__ */ struct debug_info { @@ -92,30 +94,20 @@ static inline void start_thread_common(struct pt_regs *regs, unsigned long pc) static inline void start_thread(struct pt_regs *regs, unsigned long pc, unsigned long sp) { - unsigned long *stack = (unsigned long *)sp; - start_thread_common(regs, pc); regs->pstate = PSR_MODE_EL0t; regs->sp = sp; - regs->regs[2] = stack[2]; /* x2 (envp) */ - regs->regs[1] = stack[1]; /* x1 (argv) */ - regs->regs[0] = stack[0]; /* x0 (argc) */ } #ifdef CONFIG_COMPAT static inline void compat_start_thread(struct pt_regs *regs, unsigned long pc, unsigned long sp) { - unsigned int *stack = (unsigned int *)sp; - start_thread_common(regs, pc); regs->pstate = COMPAT_PSR_MODE_USR; if (pc & 1) regs->pstate |= COMPAT_PSR_T_BIT; regs->compat_sp = sp; - regs->regs[2] = stack[2]; /* x2 (envp) */ - regs->regs[1] = stack[1]; /* x1 (argv) */ - regs->regs[0] = stack[0]; /* x0 (argc) */ } #endif |