5 .macro set_tls_none, tp, tmp1, tmp2
8 .macro set_tls_v6k, tp, tmp1, tmp2
9 mcr p15, 0, \tp, c13, c0, 3 @ set TLS register
11 mcr p15, 0, \tmp1, c13, c0, 2 @ clear user r/w TLS register
14 .macro set_tls_v6, tp, tmp1, tmp2
16 ldr \tmp1, [\tmp1, #0]
17 mov \tmp2, #0xffff0fff
18 tst \tmp1, #HWCAP_TLS @ hardware TLS available?
19 mcrne p15, 0, \tp, c13, c0, 3 @ yes, set TLS register
21 mcrne p15, 0, \tmp1, c13, c0, 2 @ clear user r/w TLS register
22 streq \tp, [\tmp2, #-15] @ set TLS value at 0xffff0ff0
25 .macro set_tls_software, tp, tmp1, tmp2
26 mov \tmp1, #0xffff0fff
27 str \tp, [\tmp1, #-15] @ set TLS value at 0xffff0ff0
31 #ifdef CONFIG_TLS_REG_EMUL
34 #define set_tls set_tls_none
35 #elif defined(CONFIG_CPU_V6)
37 #define has_tls_reg (elf_hwcap & HWCAP_TLS)
38 #define set_tls set_tls_v6
39 #elif defined(CONFIG_CPU_32v6K)
42 #define set_tls set_tls_v6k
46 #define set_tls set_tls_software
49 #endif /* __ASMARM_TLS_H */