forked from Imagelibrary/rtems
bsps: Move start files to bsps
This patch is a part of the BSP source reorganization. Update #3285.
This commit is contained in:
Sebastian Huber
35
bsps/sparc64/niagara/start/bspinit.S
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35
bsps/sparc64/niagara/start/bspinit.S
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@@ -0,0 +1,35 @@
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/*
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* bspinit.S
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*
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* COPYRIGHT (c) 2010 Gedare Bloom.
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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/*
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*
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* BSP specific initialization for Sparc64 RTEMS -- sun4v BSP
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*
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* This code defines start code specific to the sun4v BSP
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*/
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#include <rtems/asm.h>
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#include <rtems/score/cpu.h>
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#define STACK_WINDOW_SAVE_AREA_SIZE (16*8)
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.section .text
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PUBLIC(_BSP_init)
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.global _BSP_init
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SYM(_BSP_init):
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save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp
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ret
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restore
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151
bsps/sparc64/shared/start/start.S
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151
bsps/sparc64/shared/start/start.S
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@@ -0,0 +1,151 @@
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#
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# Copyright (c) 2006 Martin Decky
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# Copyright (c) 2006 Jakub Jermar
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# - Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# - Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# - The name of the author may not be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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/*
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* start.S
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*
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* Start code for Sparc64 RTEMS
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*
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* This is based on the boot.S file of the HelenOS sparc64 architecture.
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* http://www.helenos.org/
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* ${helenos}/boot/arch/sparc64/loader/boot.S
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*
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* Modifications for the RTEMS executive are
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* COPYRIGHT (c) 2010 Gedare Bloom.
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* COPYRIGHT (c) 2010 Eugen Leontie.
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*/
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#include <rtems/asm.h>
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#include <rtems/score/cpu.h>
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#define PSTATE_PRIV_BIT 4
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.register %g2, #scratch
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.register %g3, #scratch
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.register %g6, #scratch
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.register %g7, #scratch
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.section BOOTSTRAP, "ax"
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PUBLIC(_start)
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.global _start
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SYM(_start):
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start:
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b 1f
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nop
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/*
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* This header forces SILO to load the image at 0x4000.
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* More precisely, SILO will think this is an old version of Linux.
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*/
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.ascii "HdrS"
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.word 0
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.half 0
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.half 0
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.half 0
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.half 0
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.global silo_ramdisk_image
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silo_ramdisk_image:
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.word 0
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.global silo_ramdisk_size
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silo_ramdisk_size:
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.word 0
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.align 8
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1:
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/*
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* Disable interrupts and disable address masking.
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*/
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wrpr %g0, PSTATE_PRIV_BIT, %pstate
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wrpr %g0, SPARC_NUMBER_OF_REGISTER_WINDOWS - 2, %cansave ! set maximum saveable windows
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wrpr %g0, 0, %canrestore ! get rid of windows we will never need again
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wrpr %g0, 0, %otherwin ! make sure the window state is consistent
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wrpr %g0, SPARC_NUMBER_OF_REGISTER_WINDOWS - 1, %cleanwin ! prevent needless clean_window traps for kernel
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/* g4 needs to be cleared for gcc */
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mov %g0, %g4
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/* Clear the bss */
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setx SYM(bss_start), %l0, %g2 ! g2 = start of bss
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setx SYM(_end), %l0, %g3 ! g3 = end of bss
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zerobss:
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stx %g0, [%g2]
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add %g2, 8, %g2
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cmp %g2, %g3
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bleu,a zerobss
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nop
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/* Install stack */
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setstack:
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set SYM(StackStart), %sp
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add %sp, -STACK_BIAS, %sp
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/* BSP-specific pre-bootcard initializations */
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call SYM(_BSP_init)
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nop
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setx ofw_cif, %l0, %l1
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call ofw_init ! initialize OpenFirmware
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stx %o4, [%l1]
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call bootstrap
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nop
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/* Set up ISR handler for interrupt enable/disable */
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setx SYM(syscall), %l0, %o1
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setx param_space, %l0, %o2
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call SYM(_CPU_ISR_install_raw_handler)
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mov 0x100, %o0
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/* Don't need to copy initialized data to RAM--link puts all in RAM already */
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mov %g0, %o0 ! clear command line passed to main
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call SYM(boot_card)
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sub %sp, 0x60, %sp ! make room on stack (necessary?)
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call SYM(halt)
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nop
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halted: nop
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b SYM(halted)
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.section BOOTSTRAP
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.align CPU_ALIGNMENT
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.space 32768 - SPARC64_MINIMUM_STACK_FRAME_SIZE ! 32K boot stack grows down
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.global StackStart
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StackStart:
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.space SPARC64_MINIMUM_STACK_FRAME_SIZE ! initial stack frame
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.section BOOTSTRAP
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.align CPU_ALIGNMENT
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param_space:
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.space 8
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155
bsps/sparc64/shared/start/trap_table.S
Normal file
155
bsps/sparc64/shared/start/trap_table.S
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@@ -0,0 +1,155 @@
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/*
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* trap_table.S
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*
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* trap code for Sparc64 RTEMS.
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*
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* COPYRIGHT (c) 2010 Gedare Bloom.
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*
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* This code defines the space for the trap table used by sun4u.
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*/
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#include <rtems/asm.h>
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#include <rtems/score/cpu.h>
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#include <traptable.h>
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.register %g2, #scratch
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.macro JUMP_TO_TRAP offset
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sethi %hi(real_trap_table), %g1;
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sethi %hi(\offset), %g2;
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or %g1, %lo(real_trap_table), %g1;
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or %g2, %lo(\offset), %g2; ! g2 = offset
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ldx [%g1], %g1; ! g1 = real_trap_table
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add %g1, %g2, %g1; ! g1 = real_trap_table[offset]
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jmpl %g1, %g0;
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nop;
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.endm
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! space to save a pointer to the real trap table
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.section .data
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.align 8
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.global real_trap_table
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SYM(real_trap_table):
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.space 8
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.section .text
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.align (TABLE_SIZE)
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PUBLIC(trap_table)
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SYM(trap_table):
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.irp idx, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, \
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11, 12, 13, 14, 15, 16, 17, 18, 19, 20, \
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21, 22, 23, 24, 25, 26, 27, 28, 29, 30, \
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31, 32, 33, 34, 35, 36, 37, 38, 39, 40, \
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41, 42, 43, 44, 45, 46, 47, 48, 49, 50, \
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51, 52, 53, 54, 55, 56, 57, 58, 59, 60, \
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61, 62, 63, 64, 65, 66, 67, 68, 69, 70, \
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71, 72, 73, 74, 75, 76, 77, 78, 79, 80, \
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81, 82, 83, 84, 85, 86, 87, 88, 89, 90, \
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91, 92, 93, 94, 95, 96, 97, 98, 99, 100, \
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101, 102, 103, 104, 105, 106, 107, 108, 109, 110, \
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111, 112, 113, 114, 115, 116, 117, 118, 119, 120, \
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121, 122, 123, 124, 125, 126, 127, 128, 129, 130, \
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131, 132, 133, 134, 135, 136, 137, 138, 139, 140, \
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141, 142, 143, 144, 145, 146, 147, 148, 149, 150, \
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151, 152, 153, 154, 155, 156, 157, 158, 159, 160, \
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161, 162, 163, 164, 165, 166, 167, 168, 169, 170, \
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171, 172, 173, 174, 175, 176, 177, 178, 179, 180, \
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181, 182, 183, 184, 185, 186, 187, 188, 189, 190, \
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191, 192, 193, 194, 195, 196, 197, 198, 199, 200, \
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201, 202, 203, 204, 205, 206, 207, 208, 209, 210, \
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211, 212, 213, 214, 215, 216, 217, 218, 219, 220, \
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221, 222, 223, 224, 225, 226, 227, 228, 229, 230, \
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231, 232, 233, 234, 235, 236, 237, 238, 239, 240, \
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241, 242, 243, 244, 245, 246, 247, 248, 249, 250, \
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251, 252, 253, 254, 255, 256, 257, 258, 259, 260, \
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261, 262, 263, 264, 265, 266, 267, 268, 269, 270, \
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271, 272, 273, 274, 275, 276, 277, 278, 279, 280, \
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281, 282, 283, 284, 285, 286, 287, 288, 289, 290, \
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291, 292, 293, 294, 295, 296, 297, 298, 299, 300, \
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301, 302, 303, 304, 305, 306, 307, 308, 309, 310, \
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311, 312, 313, 314, 315, 316, 317, 318, 319, 320, \
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321, 322, 323, 324, 325, 326, 327, 328, 329, 330, \
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331, 332, 333, 334, 335, 336, 337, 338, 339, 340, \
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341, 342, 343, 344, 345, 346, 347, 348, 349, 350, \
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351, 352, 353, 354, 355, 356, 357, 358, 359, 360, \
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361, 362, 363, 364, 365, 366, 367, 368, 369, 370, \
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371, 372, 373, 374, 375, 376, 377, 378, 379, 380, \
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381, 382, 383, 384, 385, 386, 387, 388, 389, 390, \
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391, 392, 393, 394, 395, 396, 397, 398, 399, 400, \
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401, 402, 403, 404, 405, 406, 407, 408, 409, 410, \
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411, 412, 413, 414, 415, 416, 417, 418, 419, 420, \
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421, 422, 423, 424, 425, 426, 427, 428, 429, 430, \
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431, 432, 433, 434, 435, 436, 437, 438, 439, 440, \
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441, 442, 443, 444, 445, 446, 447, 448, 449, 450, \
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451, 452, 453, 454, 455, 456, 457, 458, 459, 460, \
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461, 462, 463, 464, 465, 466, 467, 468, 469, 470, \
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471, 472, 473, 474, 475, 476, 477, 478, 479, 480, \
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481, 482, 483, 484, 485, 486, 487, 488, 489, 490, \
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491, 492, 493, 494, 495, 496, 497, 498, 499, 500, \
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501, 502, 503, 504, 505, 506, 507, 508, 509, 510, 511
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.org trap_table + ((\idx)*32)
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JUMP_TO_TRAP( ((\idx)*32) );
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.endr
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.irp idx, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, \
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11, 12, 13, 14, 15, 16, 17, 18, 19, 20, \
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21, 22, 23, 24, 25, 26, 27, 28, 29, 30, \
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31, 32, 33, 34, 35, 36, 37, 38, 39, 40, \
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41, 42, 43, 44, 45, 46, 47, 48, 49, 50, \
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51, 52, 53, 54, 55, 56, 57, 58, 59, 60, \
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61, 62, 63, 64, 65, 66, 67, 68, 69, 70, \
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71, 72, 73, 74, 75, 76, 77, 78, 79, 80, \
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81, 82, 83, 84, 85, 86, 87, 88, 89, 90, \
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91, 92, 93, 94, 95, 96, 97, 98, 99, 100, \
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101, 102, 103, 104, 105, 106, 107, 108, 109, 110, \
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111, 112, 113, 114, 115, 116, 117, 118, 119, 120, \
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121, 122, 123, 124, 125, 126, 127, 128, 129, 130, \
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131, 132, 133, 134, 135, 136, 137, 138, 139, 140, \
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141, 142, 143, 144, 145, 146, 147, 148, 149, 150, \
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151, 152, 153, 154, 155, 156, 157, 158, 159, 160, \
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161, 162, 163, 164, 165, 166, 167, 168, 169, 170, \
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171, 172, 173, 174, 175, 176, 177, 178, 179, 180, \
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181, 182, 183, 184, 185, 186, 187, 188, 189, 190, \
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191, 192, 193, 194, 195, 196, 197, 198, 199, 200, \
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201, 202, 203, 204, 205, 206, 207, 208, 209, 210, \
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211, 212, 213, 214, 215, 216, 217, 218, 219, 220, \
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221, 222, 223, 224, 225, 226, 227, 228, 229, 230, \
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231, 232, 233, 234, 235, 236, 237, 238, 239, 240, \
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241, 242, 243, 244, 245, 246, 247, 248, 249, 250, \
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251, 252, 253, 254, 255, 256, 257, 258, 259, 260, \
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261, 262, 263, 264, 265, 266, 267, 268, 269, 270, \
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271, 272, 273, 274, 275, 276, 277, 278, 279, 280, \
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281, 282, 283, 284, 285, 286, 287, 288, 289, 290, \
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291, 292, 293, 294, 295, 296, 297, 298, 299, 300, \
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301, 302, 303, 304, 305, 306, 307, 308, 309, 310, \
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311, 312, 313, 314, 315, 316, 317, 318, 319, 320, \
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321, 322, 323, 324, 325, 326, 327, 328, 329, 330, \
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331, 332, 333, 334, 335, 336, 337, 338, 339, 340, \
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341, 342, 343, 344, 345, 346, 347, 348, 349, 350, \
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351, 352, 353, 354, 355, 356, 357, 358, 359, 360, \
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361, 362, 363, 364, 365, 366, 367, 368, 369, 370, \
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371, 372, 373, 374, 375, 376, 377, 378, 379, 380, \
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381, 382, 383, 384, 385, 386, 387, 388, 389, 390, \
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391, 392, 393, 394, 395, 396, 397, 398, 399, 400, \
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401, 402, 403, 404, 405, 406, 407, 408, 409, 410, \
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411, 412, 413, 414, 415, 416, 417, 418, 419, 420, \
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421, 422, 423, 424, 425, 426, 427, 428, 429, 430, \
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431, 432, 433, 434, 435, 436, 437, 438, 439, 440, \
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441, 442, 443, 444, 445, 446, 447, 448, 449, 450, \
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451, 452, 453, 454, 455, 456, 457, 458, 459, 460, \
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461, 462, 463, 464, 465, 466, 467, 468, 469, 470, \
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471, 472, 473, 474, 475, 476, 477, 478, 479, 480, \
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481, 482, 483, 484, 485, 486, 487, 488, 489, 490, \
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491, 492, 493, 494, 495, 496, 497, 498, 499, 500, \
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501, 502, 503, 504, 505, 506, 507, 508, 509, 510, 511
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.org trap_table + 512*32 + ((\idx)*32)
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JUMP_TO_TRAP( 512*32 + ((\idx)*32) );
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.endr
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53
bsps/sparc64/usiii/start/bspinit.S
Normal file
53
bsps/sparc64/usiii/start/bspinit.S
Normal file
@@ -0,0 +1,53 @@
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/*
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* BSP specific initialization for Sparc64 RTEMS -- sun4u BSP
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*
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* This code defines start code specific to the sun4u BSP
|
||||
*/
|
||||
|
||||
/*
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||||
* COPYRIGHT (c) 2010 Gedare Bloom.
|
||||
*
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||||
* 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.
|
||||
*/
|
||||
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#include <rtems/asm.h>
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#include <rtems/score/cpu.h>
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#include <traptable.h>
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#define LSU_CR_IM_MASK (0x0004) /* bit 2 */
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#define LSU_CR_DM_MASK (0x0008) /* bit 3 */
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#define STACK_WINDOW_SAVE_AREA_SIZE (16*8)
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.register %g2, #scratch
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.register %g3, #scratch
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.section .text
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PUBLIC(_BSP_init)
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.global _BSP_init
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SYM(_BSP_init):
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save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp
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! copy the tba
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sethi %hi(real_trap_table), %o0
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rdpr %tba, %o2
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stx %o2, [%o0 + %lo(real_trap_table)]
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! /* copy firmware trap table so that RTEMS can install ISR handlers */
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! setx SYM(trap_table), %l0, %o0
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! rdpr %tba, %o1
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! set TABLE_SIZE, %o2
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! call memcpy
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! nop
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mov %g0, %o0
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call _take_mmu
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nop
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ret
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||||
restore
|
||||
|
||||
Reference in New Issue
Block a user