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.

8 files changed, 0 insertions, 244 deletions

diff --git a/arch/arm/src/__aeabi_atexit.c b/arch/arm/src/__aeabi_atexit.c
deleted file mode 100644
index ce16101d..00000000
--- a/arch/arm/src/__aeabi_atexit.c
+++ /dev/null
@@ -1,6 +0,0 @@
-int __cxa_atexit(void (*func)(void *), void *arg, void *dso);
-
-int __aeabi_atexit (void *obj, void (*func) (void *), void *d)
-{
-	return __cxa_atexit (func, obj, d);
-}
diff --git a/arch/arm/src/__aeabi_memclr.c b/arch/arm/src/__aeabi_memclr.c
deleted file mode 100644
index a25306d7..00000000
--- a/arch/arm/src/__aeabi_memclr.c
+++ /dev/null
@@ -1,9 +0,0 @@
-#include <string.h>
-#include "libc.h"
-
-void __aeabi_memclr(void *dest, size_t n)
-{
-	memset(dest, 0, n);
-}
-weak_alias(__aeabi_memclr, __aeabi_memclr4);
-weak_alias(__aeabi_memclr, __aeabi_memclr8);
diff --git a/arch/arm/src/__aeabi_memcpy.c b/arch/arm/src/__aeabi_memcpy.c
deleted file mode 100644
index 4ae5c777..00000000
--- a/arch/arm/src/__aeabi_memcpy.c
+++ /dev/null
@@ -1,9 +0,0 @@
-#include <string.h>
-#include "libc.h"
-
-void __aeabi_memcpy(void *restrict dest, const void *restrict src, size_t n)
-{
-	memcpy(dest, src, n);
-}
-weak_alias(__aeabi_memcpy, __aeabi_memcpy4);
-weak_alias(__aeabi_memcpy, __aeabi_memcpy8);
diff --git a/arch/arm/src/__aeabi_memmove.c b/arch/arm/src/__aeabi_memmove.c
deleted file mode 100644
index 951e7d39..00000000
--- a/arch/arm/src/__aeabi_memmove.c
+++ /dev/null
@@ -1,9 +0,0 @@
-#include <string.h>
-#include "libc.h"
-
-void __aeabi_memmove(void *dest, const void *src, size_t n)
-{
-	memmove(dest, src, n);
-}
-weak_alias(__aeabi_memmove, __aeabi_memmove4);
-weak_alias(__aeabi_memmove, __aeabi_memmove8);
diff --git a/arch/arm/src/__aeabi_memset.c b/arch/arm/src/__aeabi_memset.c
deleted file mode 100644
index 89299757..00000000
--- a/arch/arm/src/__aeabi_memset.c
+++ /dev/null
@@ -1,9 +0,0 @@
-#include <string.h>
-#include "libc.h"
-
-void __aeabi_memset(void *dest, size_t n, int c)
-{
-	memset(dest, c, n);
-}
-weak_alias(__aeabi_memset, __aeabi_memset4);
-weak_alias(__aeabi_memset, __aeabi_memset8);
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);
-}
diff --git a/arch/arm/src/atomics.s b/arch/arm/src/atomics.s
deleted file mode 100644
index 5c5b0e3e..00000000
--- a/arch/arm/src/atomics.s
+++ /dev/null
@@ -1,111 +0,0 @@
-.syntax unified
-.text
-
-.global __a_barrier
-.hidden __a_barrier
-.type __a_barrier,%function
-__a_barrier:
-	ldr ip,1f
-	ldr ip,[pc,ip]
-	add pc,pc,ip
-1:	.word __a_barrier_ptr-1b
-.global __a_barrier_dummy
-.hidden __a_barrier_dummy
-__a_barrier_dummy:
-	bx lr
-.global __a_barrier_oldkuser
-.hidden __a_barrier_oldkuser
-__a_barrier_oldkuser:
-	push {r0,r1,r2,r3,ip,lr}
-	mov r1,r0
-	mov r2,sp
-	ldr ip,=0xffff0fc0
-	mov lr,pc
-	mov pc,ip
-	pop {r0,r1,r2,r3,ip,lr}
-	bx lr
-.global __a_barrier_v6
-.hidden __a_barrier_v6
-__a_barrier_v6:
-	mcr p15,0,r0,c7,c10,5
-	bx lr
-.global __a_barrier_v7
-.hidden __a_barrier_v7
-__a_barrier_v7:
-	.word 0xf57ff05b        /* dmb ish */
-	bx lr
-
-.global __a_cas
-.hidden __a_cas
-.type __a_cas,%function
-__a_cas:
-	ldr ip,1f
-	ldr ip,[pc,ip]
-	add pc,pc,ip
-1:	.word __a_cas_ptr-1b
-.global __a_cas_dummy
-.hidden __a_cas_dummy
-__a_cas_dummy:
-	mov r3,r0
-	ldr r0,[r2]
-	subs r0,r3,r0
-	streq r1,[r2]
-	bx lr
-.global __a_cas_v6
-.hidden __a_cas_v6
-__a_cas_v6:
-	mov r3,r0
-	mcr p15,0,r0,c7,c10,5
-1:	.word 0xe1920f9f        /* ldrex r0,[r2] */
-	subs r0,r3,r0
-	.word 0x01820f91        /* strexeq r0,r1,[r2] */
-	teqeq r0,#1
-	beq 1b
-	mcr p15,0,r0,c7,c10,5
-	bx lr
-.global __a_cas_v7
-.hidden __a_cas_v7
-__a_cas_v7:
-	mov r3,r0
-	.word 0xf57ff05b        /* dmb ish */
-1:	.word 0xe1920f9f        /* ldrex r0,[r2] */
-	subs r0,r3,r0
-	.word 0x01820f91        /* strexeq r0,r1,[r2] */
-	teqeq r0,#1
-	beq 1b
-	.word 0xf57ff05b        /* dmb ish */
-	bx lr
-
-.global __aeabi_read_tp
-.type __aeabi_read_tp,%function
-__aeabi_read_tp:
-
-.global __a_gettp
-.hidden __a_gettp
-.type __a_gettp,%function
-__a_gettp:
-	ldr r0,1f
-	ldr r0,[pc,r0]
-	add pc,pc,r0
-1:	.word __a_gettp_ptr-1b
-.global __a_gettp_dummy
-.hidden __a_gettp_dummy
-__a_gettp_dummy:
-	mrc p15,0,r0,c13,c0,3
-	bx lr
-
-.data
-.global __a_barrier_ptr
-.hidden __a_barrier_ptr
-__a_barrier_ptr:
-	.word 0
-
-.global __a_cas_ptr
-.hidden __a_cas_ptr
-__a_cas_ptr:
-	.word 0
-
-.global __a_gettp_ptr
-.hidden __a_gettp_ptr
-__a_gettp_ptr:
-	.word 0
diff --git a/arch/arm/src/find_exidx.c b/arch/arm/src/find_exidx.c
deleted file mode 100644
index 77c4472b..00000000
--- a/arch/arm/src/find_exidx.c
+++ /dev/null
@@ -1,42 +0,0 @@
-#define _GNU_SOURCE
-#include <link.h>
-#include <stdint.h>
-
-struct find_exidx_data {
-	uintptr_t pc, exidx_start;
-	int exidx_len;
-};
-
-static int find_exidx(struct dl_phdr_info *info, size_t size, void *ptr)
-{
-	struct find_exidx_data *data = ptr;
-	const ElfW(Phdr) *phdr = info->dlpi_phdr;
-	uintptr_t addr, exidx_start = 0;
-	int i, match = 0, exidx_len = 0;
-
-	for (i = info->dlpi_phnum; i > 0; i--, phdr++) {
-		addr = info->dlpi_addr + phdr->p_vaddr;
-		switch (phdr->p_type) {
-		case PT_LOAD:
-			match |= data->pc >= addr && data->pc < addr + phdr->p_memsz;
-			break;
-		case PT_ARM_EXIDX:
-			exidx_start = addr;
-			exidx_len = phdr->p_memsz;
-			break;
-		}
-	}
-	data->exidx_start = exidx_start;
-	data->exidx_len = exidx_len;
-	return match;
-}
-
-uintptr_t __gnu_Unwind_Find_exidx(uintptr_t pc, int *pcount)
-{
-	struct find_exidx_data data;
-	data.pc = pc;
-	if (dl_iterate_phdr(find_exidx, &data) <= 0)
-		return 0;
-	*pcount = data.exidx_len / 8;
-	return data.exidx_start;
-}