Added C library support in sandbox (newlib).

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@12994 27425a3e-05d8-49a3-a47f-9c15f0e5edd8
This commit is contained in:
Giovanni Di Sirio 2019-09-15 16:20:33 +00:00
parent 2224bd26a7
commit fd723895ec
7 changed files with 129 additions and 7 deletions

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@ -121,6 +121,7 @@ LDSCRIPT= ./sandbox.ld
# setting.
CSRC = $(ALLCSRC) \
$(TESTSRC) \
$(CHIBIOS)/os/sb/various/syscalls.c \
main.c
# C++ sources that can be compiled in ARM or THUMB mode depending on the global

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@ -17,6 +17,7 @@
#include <stdint.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdio.h>
#include "sbuser.h"
@ -41,7 +42,8 @@ int main(void) {
#endif
while (true) {
msg_t msg = sbMsgWait();
sbFileWrite(1U, (const uint8_t *)"Hello World!!\r\n", 15U);
printf("Hello World (%u)!!\r\n", (unsigned)msg);
// sbFileWrite(1U, (const uint8_t *)"Hello World!!\r\n", 15U);
sbMsgReply(msg);
// sbSleepMilliseconds(500);
}

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@ -19,7 +19,7 @@
*/
MEMORY
{
flash0 : org = 0x080FC000, len = 16k
flash0 : org = 0x080F8000, len = 32k
ram0 : org = 0x20017000, len = 4k
}

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@ -19,14 +19,14 @@
*/
MEMORY
{
flash0 : org = 0x08000000, len = 1M - 16k
flash0 : org = 0x08000000, len = 1M - 32k
flash1 : org = 0x00000000, len = 0
flash2 : org = 0x00000000, len = 0
flash3 : org = 0x00000000, len = 0
flash4 : org = 0x00000000, len = 0
flash5 : org = 0x00000000, len = 0
flash6 : org = 0x00000000, len = 0
flash7 : org = 0x08000000 + 1M - 16k, len = 16k
flash7 : org = 0x08000000 + 1M - 32k, len = 32k
ram0 : org = 0x20000000, len = 96k - 4k
ram1 : org = 0x00000000, len = 0
ram2 : org = 0x00000000, len = 0

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@ -33,7 +33,7 @@
<intAttribute key="org.eclipse.cdt.launch.ATTR_BUILD_BEFORE_LAUNCH_ATTR" value="2"/>
<stringAttribute key="org.eclipse.cdt.launch.COREFILE_PATH" value=""/>
<stringAttribute key="org.eclipse.cdt.launch.DEBUGGER_REGISTER_GROUPS" value=""/>
<stringAttribute key="org.eclipse.cdt.launch.FORMAT" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&lt;contentList&gt;&lt;content id=&quot;psp-SVC_Handler-(format)&quot; val=&quot;4&quot;/&gt;&lt;content id=&quot;s_psp-SVC_Handler-(format)&quot; val=&quot;4&quot;/&gt;&lt;content id=&quot;s_psp-port_unprivileged_jump-(format)&quot; val=&quot;4&quot;/&gt;&lt;content id=&quot;r0-(format)&quot; val=&quot;4&quot;/&gt;&lt;content id=&quot;r1-(format)&quot; val=&quot;4&quot;/&gt;&lt;content id=&quot;r2-(format)&quot; val=&quot;4&quot;/&gt;&lt;content id=&quot;xPSR-(format)&quot; val=&quot;4&quot;/&gt;&lt;/contentList&gt;"/>
<stringAttribute key="org.eclipse.cdt.launch.FORMAT" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&lt;contentList&gt;&lt;content id=&quot;xPSR-(format)&quot; val=&quot;4&quot;/&gt;&lt;content id=&quot;r2-(format)&quot; val=&quot;4&quot;/&gt;&lt;content id=&quot;r1-(format)&quot; val=&quot;4&quot;/&gt;&lt;content id=&quot;r0-(format)&quot; val=&quot;4&quot;/&gt;&lt;content id=&quot;s_psp-port_unprivileged_jump-(format)&quot; val=&quot;4&quot;/&gt;&lt;content id=&quot;s_psp-SVC_Handler-(format)&quot; val=&quot;4&quot;/&gt;&lt;content id=&quot;psp-SVC_Handler-(format)&quot; val=&quot;4&quot;/&gt;&lt;/contentList&gt;"/>
<stringAttribute key="org.eclipse.cdt.launch.GLOBAL_VARIABLES" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;globalVariableList/&gt;&#10;"/>
<stringAttribute key="org.eclipse.cdt.launch.MEMORY_BLOCKS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;memoryBlockExpressionList&gt;&#10;&lt;memoryBlockExpressionItem&gt;&#10;&lt;expression text=&quot;0x20000300&quot;/&gt;&#10;&lt;/memoryBlockExpressionItem&gt;&#10;&lt;/memoryBlockExpressionList&gt;&#10;"/>
<stringAttribute key="org.eclipse.cdt.launch.PROGRAM_NAME" value="./build/ch.elf"/>

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@ -30,6 +30,7 @@ sb_class_t sbx1;
*/
static THD_WORKING_AREA(waThread1, 128);
static THD_FUNCTION(Thread1, arg) {
unsigned i = 1U;
(void)arg;
chRegSetThreadName("blinker");
@ -42,7 +43,8 @@ static THD_FUNCTION(Thread1, arg) {
chThdSleepMilliseconds(50);
palSetLine(LINE_LED_RED);
chThdSleepMilliseconds(200);
(void) sbSendMessage(&sbx1, 0xF00F55AAU);
(void) sbSendMessage(&sbx1, (msg_t)i);
i++;
}
}
@ -75,7 +77,7 @@ static THD_FUNCTION(Unprivileged1, arg) {
sb_config.r0_base,
MPU_RASR_ATTR_AP_RO_RO |
MPU_RASR_ATTR_CACHEABLE_WT_NWA |
MPU_RASR_SIZE_16K |
MPU_RASR_SIZE_32K |
MPU_RASR_ENABLE);
mpuConfigureRegion(MPU_REGION_1,
sb_config.r1_base,

117
os/sb/various/syscalls.c Normal file
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@ -0,0 +1,117 @@
/*
ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#include <stdint.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include "sbuser.h"
#define MAKERR(e) (-(int)(e))
__attribute__((used))
int _close_r(struct _reent *r, int file) {
uint32_t err;
err = sbFileClose((uint32_t)file);
if (SB_ERR_ISERROR(err)) {
__errno_r(r) = MAKERR(err);
return -1;
}
return 0;
}
__attribute__((used))
int _write_r(struct _reent *r, int file, char * ptr, int len) {
uint32_t err;
err = sbFileWrite((uint32_t)file, (const uint8_t *)ptr, (size_t)len);
if (SB_ERR_ISERROR(err)) {
__errno_r(r) = MAKERR(err);
return -1;
}
return (int)err;
}
__attribute__((used))
int _read_r(struct _reent *r, int file, char * ptr, int len) {
uint32_t err;
err = sbFileRead((uint32_t)file, (uint8_t *)ptr, (size_t)len);
if (SB_ERR_ISERROR(err)) {
__errno_r(r) = MAKERR(err);
return -1;
}
return (int)err;
}
__attribute__((used))
int _lseek_r(struct _reent *r, int file, int ptr, int dir) {
uint32_t err;
err = sbFileSeek((uint32_t)file, (uint32_t)ptr, (uint32_t)dir);
if (SB_ERR_ISERROR(err)) {
__errno_r(r) = MAKERR(err);
return -1;
}
return (int)err;
}
__attribute__((used))
int _fstat_r(struct _reent *r, int file, struct stat * st) {
(void)r;
(void)file;
memset(st, 0, sizeof(*st));
st->st_mode = S_IFCHR;
return 0;
}
__attribute__((used))
int _isatty_r(struct _reent *r, int fd) {
(void)r;
(void)fd;
return 1;
}
__attribute__((used))
caddr_t _sbrk_r(struct _reent *r, int incr) {
extern uint8_t __heap_end__, __heap_base__;
static uint8_t *p = &__heap_base__;
uint8_t *prevp;
prevp = p;
if ((p + incr > &__heap_end__) ||
(p + incr < &__heap_base__)) {
__errno_r(r) = ENOMEM;
return (caddr_t)-1;
}
p += incr;
return (caddr_t)prevp;
}
/*** EOF ***/