bsps: Move start files to bsps

This patch is a part of the BSP source reorganization.

Update #3285.

3 files changed, 2 insertions, 167 deletions

diff --git a/c/src/lib/libbsp/nios2/nios2_iss/Makefile.am b/c/src/lib/libbsp/nios2/nios2_iss/Makefile.am
index 2fe8023b42..8430a359f0 100644
--- a/c/src/lib/libbsp/nios2/nios2_iss/Makefile.am
+++ b/c/src/lib/libbsp/nios2/nios2_iss/Makefile.am
@@ -7,9 +7,9 @@ dist_project_lib_DATA = startup/bsp_specs
 
 
 
-start.$(OBJEXT): start/start.S
+start.$(OBJEXT): ../../../../../../bsps/nios2/nios2_iss/start/start.S
 	$(CPPASCOMPILE) -o $@ -c $<
-crtnn.$(OBJEXT): start/crtnn.S
+crtnn.$(OBJEXT): ../../../../../../bsps/nios2/nios2_iss/start/crtnn.S
 	$(CPPASCOMPILE) -o $@ -c $<
 project_lib_DATA = start.$(OBJEXT) crtnn.$(OBJEXT)
 
diff --git a/c/src/lib/libbsp/nios2/nios2_iss/start/crtnn.S b/c/src/lib/libbsp/nios2/nios2_iss/start/crtnn.S
deleted file mode 100644
index ae805bc967..0000000000
--- a/c/src/lib/libbsp/nios2/nios2_iss/start/crtnn.S
+++ /dev/null
@@ -1,43 +0,0 @@
-/*  NIOS2 crtn.asm fix
- *
- *  COPYRIGHT (c) 2005-2006 Kolja Waschk rtemsdev/ixo.de
- *
- *  The license and distribution terms for this file may be
- *  found in the file LICENSE in this distribution or at
- *  http://www.rtems.org/license/LICENSE.
- */
-
-/* Can't use the original crtn.asm from Altera because it doesn't
-   restore the stack pointer correctly (in 5.1b73, the stack pointer
-   is further decreased by 48 instead of increased). This is named
-   differently (crtnn instead crtn) to make sure it can be picked up
-   using custom gcc specs instead of gcc's crtn. - kawk */
-
-	.section .init
-	ldw	ra, 44(sp)
-	ldw	r23, 40(sp)
-	ldw	r22, 36(sp)
-	ldw	r21, 32(sp)
-	ldw	r20, 28(sp)
-	ldw	r19, 24(sp)
-	ldw	r18, 20(sp)
-	ldw	r17, 16(sp)
-	ldw	r16, 12(sp)
-	ldw	fp, 8(sp)
-	addi sp, sp, 48
-	ret
-	
-	.section .fini
-	ldw	ra, 44(sp)
-	ldw	r23, 40(sp)
-	ldw	r22, 36(sp)
-	ldw	r21, 32(sp)
-	ldw	r20, 28(sp)
-	ldw	r19, 24(sp)
-	ldw	r18, 20(sp)
-	ldw	r17, 16(sp)
-	ldw	r16, 12(sp)
-	ldw	fp, 8(sp)
-	addi sp, sp, 48
-	ret
-	
diff --git a/c/src/lib/libbsp/nios2/nios2_iss/start/start.S b/c/src/lib/libbsp/nios2/nios2_iss/start/start.S
deleted file mode 100644
index 1ffa4fc925..0000000000
--- a/c/src/lib/libbsp/nios2/nios2_iss/start/start.S
+++ /dev/null
@@ -1,122 +0,0 @@
-/*  NIOS2 startup code
- *
- *  This is the entry point on reset and when loading the
- *  executive from a bootloader.
- *
- *  COPYRIGHT (c) 2005-2006 Kolja Waschk rtemsdev/ixo.de
- *
- *  The license and distribution terms for this file may be
- *  found in the file LICENSE in this distribution or at
- *  http://www.rtems.org/license/LICENSE.
- */
-
-     .section .entry
-     .align    3
-     movhi  et, %hiadj(start)
-     addi   et, et, %lo(start)
-     jmp    et
-
-     .section .irq
-     .align 3
-     movhi  et, %hiadj(_exception_vector)
-     addi   et, et, %lo(_exception_vector)
-     jmp    et
-
-    .section .text
-    .align  3
-    .globl  start
-    .type   start,@function
-
-    .extern _exception_vector
-
-start:
-    #------------------------------------------------------
-    # disable interrupts
-    wrctl status, zero
-    wrctl ienable, zero
-
-    #------------------------------------------------------
-    # invalidate instruction cache
-    mov r2, r0
-    movhi r3, %hi(__nios2_icache_size)
-    ori r3, r3, %lo(__nios2_icache_size)
-icache_init_loop:
-    initi r2
-    addi r2, r2, __nios2_icache_line_size
-    bltu r2, r3, icache_init_loop
-
-    #------------------------------------------------------
-    # invalidate data cache
-    mov r2, r0
-    movhi r3, %hi(__nios2_dcache_size)
-    ori r3, r3, %lo(__nios2_dcache_size)
-dcache_init_loop:
-    initd 0(r2)
-    addi r2, r2, __nios2_dcache_line_size
-    bltu r2, r3, dcache_init_loop
-
-    #------------------------------------------------------
-    # initialize stack pointer
-    movhi   sp, %hiadj(__alt_stack_pointer - 4)
-    addi    sp, sp, %lo(__alt_stack_pointer - 4)
-
-    # initialize global pointer
-    movhi gp, %hiadj(_gp)
-    addi gp, gp, %lo(_gp)
-
-    # initialize exception tmp register
-    movhi et, %hiadj(_end)
-    addi et, et, %lo(_end)
-
-    #------------------------------------------------------
-    # TODO: copy data from flash to RAM, if not there already
-    # For now its save to assume it is there already when we're
-    # loading code though JTAG into RAM-only system
-
-    # at least copy exception code to right place
-    movhi r2, %hiadj(__ram_exceptions_start)
-    addi r2, r2, %lo(__ram_exceptions_start)
-
-    movhi r3, %hiadj(brto_ev)
-    addi r3, r3, %lo(brto_ev)
-    ldw r4,  0(r3)
-    stw r4,  0(r2)
-    ldw r4,  4(r3)
-    stw r4,  4(r2)
-    ldw r4,  8(r3)
-    stw r4,  8(r2)
-    ldw r4, 12(r3)
-    stw r4, 12(r2)
-
-    #------------------------------------------------------
-    # clear bss
-    movhi r2, %hiadj(__bss_start)
-    addi r2, r2, %lo(__bss_start)
-
-    movhi r3, %hiadj(__bss_end)
-    addi r3, r3, %lo(__bss_end)
-
-    beq r2, r3, 1f
-0:
-    stw zero, (r2)
-    addi r2, r2, 4
-    bltu r2, r3, 0b
-1:
-    #------------------------------------------------------
-    # jump to (shared) boot_card (never comes back)
-    mov r4, zero
-    mov r5, zero
-    mov r6, zero
-    call    boot_card
-    # but just in case it does come back, stick here.
-_stuck_in_start:
-    br _stuck_in_start
-
-    #------------------------------------------------------
-    # code to be placed at exception address
-brto_ev:
-     movhi et, %hiadj(_exception_vector)
-     addi et, et, %lo(_exception_vector)
-     jmp et
-
-