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
12 .macro set_tls_v6, tp, tmp1, tmp2
14 ldr \tmp1, [\tmp1, #0]
15 mov \tmp2, #0xffff0fff
16 tst \tmp1, #HWCAP_TLS @ hardware TLS available?
17 mcrne p15, 0, \tp, c13, c0, 3 @ yes, set TLS register
18 streq \tp, [\tmp2, #-15] @ set TLS value at 0xffff0ff0
21 .macro set_tls_software, tp, tmp1, tmp2
22 mov \tmp1, #0xffff0fff
23 str \tp, [\tmp1, #-15] @ set TLS value at 0xffff0ff0
27 #ifdef CONFIG_TLS_REG_EMUL
30 #define set_tls set_tls_none
31 #elif __LINUX_ARM_ARCH__ >= 7 || \
32 (__LINUX_ARM_ARCH__ == 6 && defined(CONFIG_CPU_32v6K))
35 #define set_tls set_tls_v6k
36 #elif __LINUX_ARM_ARCH__ == 6
38 #define has_tls_reg (elf_hwcap & HWCAP_TLS)
39 #define set_tls set_tls_v6
43 #define set_tls set_tls_software
46 #endif /* __ASMARM_TLS_H */