1#ifndef __ASMARM_TLS_H
 2#define __ASMARM_TLS_H
 3
 4#ifdef __ASSEMBLY__
 5	.macro set_tls_none, tp, tmp1, tmp2
 6	.endm
 7
 8	.macro set_tls_v6k, tp, tmp1, tmp2
 9	mcr	p15, 0, \tp, c13, c0, 3		@ set TLS register
 
 
10	.endm
11
12	.macro set_tls_v6, tp, tmp1, tmp2
13	ldr	\tmp1, =elf_hwcap
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
19	.endm
20
21	.macro set_tls_software, tp, tmp1, tmp2
22	mov	\tmp1, #0xffff0fff
23	str	\tp, [\tmp1, #-15]		@ set TLS value at 0xffff0ff0
24	.endm
25#endif
26
27#ifdef CONFIG_TLS_REG_EMUL
28#define tls_emu		1
29#define has_tls_reg		1
30#define set_tls		set_tls_none
31#elif defined(CONFIG_CPU_V6)
32#define tls_emu		0
33#define has_tls_reg		(elf_hwcap & HWCAP_TLS)
34#define set_tls		set_tls_v6
35#elif defined(CONFIG_CPU_32v6K)
36#define tls_emu		0
37#define has_tls_reg		1
38#define set_tls		set_tls_v6k
39#else
40#define tls_emu		0
41#define has_tls_reg		0
42#define set_tls		set_tls_software
43#endif
44
45#endif	/* __ASMARM_TLS_H */

 1#ifndef __ASMARM_TLS_H
 2#define __ASMARM_TLS_H
 3
 4#ifdef __ASSEMBLY__
 5	.macro set_tls_none, tp, tmp1, tmp2
 6	.endm
 7
 8	.macro set_tls_v6k, tp, tmp1, tmp2
 9	mcr	p15, 0, \tp, c13, c0, 3		@ set TLS register
10	mov	\tmp1, #0
11	mcr	p15, 0, \tmp1, c13, c0, 2	@ clear user r/w TLS register
12	.endm
13
14	.macro set_tls_v6, tp, tmp1, tmp2
15	ldr	\tmp1, =elf_hwcap
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
20	movne	\tmp1, #0
21	mcrne	p15, 0, \tmp1, c13, c0, 2	@ clear user r/w TLS register
22	streq	\tp, [\tmp2, #-15]		@ set TLS value at 0xffff0ff0
23	.endm
24
25	.macro set_tls_software, tp, tmp1, tmp2
26	mov	\tmp1, #0xffff0fff
27	str	\tp, [\tmp1, #-15]		@ set TLS value at 0xffff0ff0
28	.endm
29#endif
30
31#ifdef CONFIG_TLS_REG_EMUL
32#define tls_emu		1
33#define has_tls_reg		1
34#define set_tls		set_tls_none
35#elif defined(CONFIG_CPU_V6)
36#define tls_emu		0
37#define has_tls_reg		(elf_hwcap & HWCAP_TLS)
38#define set_tls		set_tls_v6
39#elif defined(CONFIG_CPU_32v6K)
40#define tls_emu		0
41#define has_tls_reg		1
42#define set_tls		set_tls_v6k
43#else
44#define tls_emu		0
45#define has_tls_reg		0
46#define set_tls		set_tls_software
47#endif
48
49#endif	/* __ASMARM_TLS_H */