move arm-specific translation units out of arch/arm/src, to src/*/arm

this is possible with the new build system that allows src/*/$(ARCH)/*
files which do not shadow a file in the parent directory, and yields a
more logical organization. eventually it will be possible to remove
arch/*/src from the build system.

1 files changed, 0 insertions, 49 deletions

diff --git a/arch/arm/src/__set_thread_area.c b/arch/arm/src/__set_thread_area.c
deleted file mode 100644
index 61d02827..00000000
--- a/arch/arm/src/__set_thread_area.c
+++ /dev/null
@@ -1,49 +0,0 @@
-#include <stdint.h>
-#include <elf.h>
-#include "pthread_impl.h"
-#include "libc.h"
-
-#define HWCAP_TLS (1 << 15)
-
-extern const unsigned char __attribute__((__visibility__("hidden")))
-	__a_barrier_dummy[], __a_barrier_oldkuser[],
-	__a_barrier_v6[], __a_barrier_v7[],
-	__a_cas_dummy[], __a_cas_v6[], __a_cas_v7[],
-	__a_gettp_dummy[];
-
-#define __a_barrier_kuser 0xffff0fa0
-#define __a_cas_kuser 0xffff0fc0
-#define __a_gettp_kuser 0xffff0fe0
-
-extern uintptr_t __attribute__((__visibility__("hidden")))
-	__a_barrier_ptr, __a_cas_ptr, __a_gettp_ptr;
-
-#define SET(op,ver) (__a_##op##_ptr = \
-	(uintptr_t)__a_##op##_##ver - (uintptr_t)__a_##op##_dummy)
-
-int __set_thread_area(void *p)
-{
-#if !__ARM_ARCH_7A__ && !__ARM_ARCH_7R__ && __ARM_ARCH < 7
-	if (__hwcap & HWCAP_TLS) {
-		size_t *aux;
-		SET(cas, v7);
-		SET(barrier, v7);
-		for (aux=libc.auxv; *aux; aux+=2) {
-			if (*aux != AT_PLATFORM) continue;
-			const char *s = (void *)aux[1];
-			if (s[0]!='v' || s[1]!='6' || s[2]-'0'<10u) break;
-			SET(cas, v6);
-			SET(barrier, v6);
-			break;
-		}
-	} else {
-		int ver = *(int *)0xffff0ffc;
-		SET(gettp, kuser);
-		SET(cas, kuser);
-		SET(barrier, kuser);
-		if (ver < 2) a_crash();
-		if (ver < 3) SET(barrier, oldkuser);
-	}
-#endif
-	return __syscall(0xf0005, p);
-}