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Add initial support for SA868 v1.1 OpenRTX#3
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| *.o | ||
| *.elf | ||
| *.bin | ||
| *.s28 | ||
| *.s37 | ||
| *.sif | ||
| *.map | ||
| /src/version.h |
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| /* | ||
| Copyright (c) 2005,2008 Red Hat Incorporated. | ||
| All rights reserved. | ||
| Redistribution and use in source and binary forms, with or without | ||
| modification, are permitted provided that the following conditions are met: | ||
| Redistributions of source code must retain the above copyright | ||
| notice, this list of conditions and the following disclaimer. | ||
| Redistributions in binary form must reproduce the above copyright | ||
| notice, this list of conditions and the following disclaimer in the | ||
| documentation and/or other materials provided with the distribution. | ||
| The name of Red Hat Incorporated may not be used to endorse | ||
| or promote products derived from this software without specific | ||
| prior written permission. | ||
| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
| AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
| DISCLAIMED. IN NO EVENT SHALL RED HAT INCORPORATED BE LIABLE FOR ANY | ||
| DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | ||
| (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
| LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | ||
| ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | ||
| SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| */ | ||
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| #if defined(__r8c_cpu__) || defined(__m16c_cpu__) | ||
| #define A16 | ||
| #define A(n,w) n | ||
| #define W w | ||
| #define ALIGN 1 | ||
| #else | ||
| #define A24 | ||
| #define A(n,w) w | ||
| #define W l | ||
| #define ALIGN 2 | ||
| #endif | ||
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| .section ".resetvec","ax",@progbits | ||
| .long _start | ||
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| .text | ||
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| .global _start | ||
| _start: | ||
| .LFB2: | ||
| fclr U /* One stack for user and interrupts */ | ||
| ldc #__stack,sp | ||
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| #ifdef A16 | ||
| mov.b #%hi8(__romdatastart),r1h | ||
| mov.w #%lo16(__romdatastart),a0 | ||
| mov.w #__datastart,a1 | ||
| #else | ||
| mov.l #__romdatastart,a0 | ||
| mov.l #__datastart,a1 | ||
| #endif | ||
| mov.w #__romdatacopysize,r3 | ||
| shl.w #-1,r3 | ||
| smovf.w | ||
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| #ifdef A16 | ||
| mov.w #__bssstart,a1 | ||
| #else | ||
| mov.l #__bssstart,a1 | ||
| #endif | ||
| mov.w #__bsssize,r3 | ||
| shl.w #-1,r3 | ||
| mov.w #0,r0 | ||
| sstr.w | ||
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| #ifdef A16 | ||
| ldc #%lo16(__var_vects),intbl | ||
| ldc #%hi16(__var_vects),intbh | ||
| #else | ||
| ldc #__var_vects,intb | ||
| #endif | ||
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| fset I | ||
| jsr.a __m32c_init | ||
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| jsr.a _main | ||
| .LFE2: | ||
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| #ifdef A24 | ||
| /* rv in r0, ok for arg0 */ | ||
| #else | ||
| mov.w r0,r1 | ||
| #endif | ||
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| jsr.a _exit | ||
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| .text | ||
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| .global _m32c_run_preinit_array | ||
| .type _m32c_run_preinit_array,@function | ||
| _m32c_run_preinit_array: | ||
| mov.W #__preinit_array_start,a0 | ||
| mov.W #__preinit_array_end,a1 | ||
| jmp.w _m32c_run_inilist | ||
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| .global _m32c_run_init_array | ||
| .type _m32c_run_init_array,@function | ||
| _m32c_run_init_array: | ||
| mov.W #__init_array_start,a0 | ||
| mov.W #__init_array_end,a1 | ||
| jmp.w _m32c_run_inilist | ||
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| .global _m32c_run_fini_array | ||
| .type _m32c_run_fini_array,@function | ||
| _m32c_run_fini_array: | ||
| mov.W #__fini_array_start,a0 | ||
| mov.W #__fini_array_end,a1 | ||
| /* fall through */ | ||
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| _m32c_run_inilist: | ||
| next_inilist: | ||
| cmp.W a0,a1 | ||
| jeq done_inilist | ||
| pushm a0,a1 | ||
| mov.W [a0],a0 | ||
| #ifdef A16 | ||
| mov.b:s #0,a1 /* zero extends */ | ||
| jsri.a a1a0 | ||
| #else | ||
| jsri.a a0 | ||
| #endif | ||
| popm a0,a1 | ||
| add.W A(#2,#4),a0 | ||
| jmp.b next_inilist | ||
| done_inilist: | ||
| rts | ||
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| .section .init,"ax",@progbits | ||
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| .global __m32c_init | ||
| __m32c_init: | ||
| enter #0 | ||
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| .section .fini,"ax",@progbits | ||
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| .global __m32c_fini | ||
| __m32c_fini: | ||
| enter #0 | ||
| jsr.a _m32c_run_fini_array | ||
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| ;;; Provide Dwarf unwinding information that will help GDB stop | ||
| ;;; backtraces at the right place. This is stolen from assembly | ||
| ;;; code generated by GCC with -dA. | ||
| .section .debug_frame,"",@progbits | ||
| .Lframe0: | ||
| .4byte .LECIE0-.LSCIE0 ; Length of Common Information Entry | ||
| .LSCIE0: | ||
| .4byte 0xffffffff ; CIE Identifier Tag | ||
| .byte 0x1 ; CIE Version | ||
| .ascii "\0" ; CIE Augmentation | ||
| .uleb128 0x1 ; CIE Code Alignment Factor | ||
| .sleb128 -1 ; CIE Data Alignment Factor | ||
| .byte 0xd ; CIE RA Column | ||
| .byte 0xc ; DW_CFA_def_cfa | ||
| .uleb128 0xc | ||
| .uleb128 0x3 | ||
| .byte 0x8d ; DW_CFA_offset, column 0xd | ||
| .uleb128 0x3 | ||
| .p2align ALIGN | ||
| .LECIE0: | ||
| .LSFDE0: | ||
| .4byte .LEFDE0-.LASFDE0 ; FDE Length | ||
| .LASFDE0: | ||
| .4byte .Lframe0 ; FDE CIE offset | ||
| .4byte .LFB2 ; FDE initial location | ||
| .4byte .LFE2-.LFB2 ; FDE address range | ||
| .byte 0xf ; DW_CFA_def_cfa_expression | ||
| .uleb128 1 ; length of expression | ||
| .byte 0x30 ; DW_OP_lit0 | ||
| .p2align ALIGN | ||
| .LEFDE0: | ||
|
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| .text |
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| /*************************************************************************** | ||
| * Copyright (C) 2024 by Niccolò Izzo IU2KIN * | ||
| * * | ||
| * This program is free software; you can redistribute it and/or modify * | ||
| * it under the terms of the GNU General Public License as published by * | ||
| * the Free Software Foundation; either version 3 of the License, or * | ||
| * (at your option) any later version. * | ||
| * * | ||
| * This program is distributed in the hope that it will be useful, * | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of * | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | ||
| * GNU General Public License for more details. * | ||
| * * | ||
| * You should have received a copy of the GNU General Public License * | ||
| * along with this program; if not, see <http://www.gnu.org/licenses/> * | ||
| ***************************************************************************/ | ||
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| #include "interrupts.h" | ||
| #include "common.h" | ||
| #include "registers.h" | ||
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| void INT_BRK_I(void) {} | ||
| void INT_KI(void) {} | ||
| void INT_AD(void) {} | ||
| void INT_IIC(void) {} | ||
| void INT_CMP1(void) {} | ||
| void INT_ST0(void) {} | ||
| void INT_SR0(void) { | ||
| ring_put(&rx, (char)u0rb); | ||
| ir_s0ric = 0U; | ||
| } | ||
| void INT_ST1(void) {} | ||
| void INT_SR1(void) {} | ||
| void INT_TMRX(void) {} | ||
| void INT_TMRZ(void) {} | ||
| void INT_INT1(void) {} | ||
| void INT_INT3(void) {} | ||
| void INT_TMRC(void) {} | ||
| void INT_CMP0(void) {} | ||
| void INT_INT0(void) {} |
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