diff options
Diffstat (limited to 'arch/arm64/include/asm/processor.h')
-rw-r--r-- | arch/arm64/include/asm/processor.h | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h index 39a208a392f7..5d810044feda 100644 --- a/arch/arm64/include/asm/processor.h +++ b/arch/arm64/include/asm/processor.h | |||
@@ -92,30 +92,20 @@ static inline void start_thread_common(struct pt_regs *regs, unsigned long pc) | |||
92 | static inline void start_thread(struct pt_regs *regs, unsigned long pc, | 92 | static inline void start_thread(struct pt_regs *regs, unsigned long pc, |
93 | unsigned long sp) | 93 | unsigned long sp) |
94 | { | 94 | { |
95 | unsigned long *stack = (unsigned long *)sp; | ||
96 | |||
97 | start_thread_common(regs, pc); | 95 | start_thread_common(regs, pc); |
98 | regs->pstate = PSR_MODE_EL0t; | 96 | regs->pstate = PSR_MODE_EL0t; |
99 | regs->sp = sp; | 97 | regs->sp = sp; |
100 | regs->regs[2] = stack[2]; /* x2 (envp) */ | ||
101 | regs->regs[1] = stack[1]; /* x1 (argv) */ | ||
102 | regs->regs[0] = stack[0]; /* x0 (argc) */ | ||
103 | } | 98 | } |
104 | 99 | ||
105 | #ifdef CONFIG_COMPAT | 100 | #ifdef CONFIG_COMPAT |
106 | static inline void compat_start_thread(struct pt_regs *regs, unsigned long pc, | 101 | static inline void compat_start_thread(struct pt_regs *regs, unsigned long pc, |
107 | unsigned long sp) | 102 | unsigned long sp) |
108 | { | 103 | { |
109 | unsigned int *stack = (unsigned int *)sp; | ||
110 | |||
111 | start_thread_common(regs, pc); | 104 | start_thread_common(regs, pc); |
112 | regs->pstate = COMPAT_PSR_MODE_USR; | 105 | regs->pstate = COMPAT_PSR_MODE_USR; |
113 | if (pc & 1) | 106 | if (pc & 1) |
114 | regs->pstate |= COMPAT_PSR_T_BIT; | 107 | regs->pstate |= COMPAT_PSR_T_BIT; |
115 | regs->compat_sp = sp; | 108 | regs->compat_sp = sp; |
116 | regs->regs[2] = stack[2]; /* x2 (envp) */ | ||
117 | regs->regs[1] = stack[1]; /* x1 (argv) */ | ||
118 | regs->regs[0] = stack[0]; /* x0 (argc) */ | ||
119 | } | 109 | } |
120 | #endif | 110 | #endif |
121 | 111 | ||