diff options
author | Nick Brassel <nick@tzarc.org> | 2021-01-18 04:45:21 +1100 |
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committer | Drashna Jael're <drashna@live.com> | 2021-02-02 09:42:02 -0800 |
commit | a0555ae233029c9f58e48117c34d6ac8ca5cba63 (patch) | |
tree | ece176be4e0f59a3cb6bab4497be0d38ef95b3d2 /tmk_core/common/chibios/syscall-fallbacks.c | |
parent | 3e1f25806b682638404b7639f2dd65859515168e (diff) |
Add syscall fallbacks to ChibiOS builds (#11573)
* Add fallback syscalls to ChibiOS builds that are present but able to be overridden as appropriate.
* Modified location to be ChibiOS-specific.
Diffstat (limited to 'tmk_core/common/chibios/syscall-fallbacks.c')
-rw-r--r-- | tmk_core/common/chibios/syscall-fallbacks.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/tmk_core/common/chibios/syscall-fallbacks.c b/tmk_core/common/chibios/syscall-fallbacks.c new file mode 100644 index 0000000000..5d232a755d --- /dev/null +++ b/tmk_core/common/chibios/syscall-fallbacks.c @@ -0,0 +1,91 @@ +/* Copyright 2021 Nick Brassel, QMK + * + * 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 2 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/>. + */ + +#include <sys/stat.h> +#include <sys/types.h> + +#pragma GCC diagnostic ignored "-Wmissing-prototypes" + +__attribute__((weak, used)) int _read_r(struct _reent *r, int file, char *ptr, int len) { + (void)r; + (void)file; + (void)ptr; + (void)len; + return -1; +} + +__attribute__((weak, used)) int _lseek_r(struct _reent *r, int file, int ptr, int dir) { + (void)r; + (void)file; + (void)ptr; + (void)dir; + return 0; +} + +__attribute__((weak, used)) int _write_r(struct _reent *r, int file, char *ptr, int len) { + (void)r; + (void)file; + (void)ptr; + return len; +} + +__attribute__((weak, used)) int _close_r(struct _reent *r, int file) { + (void)r; + (void)file; + return 0; +} + +__attribute__((weak, used)) caddr_t _sbrk_r(struct _reent *r, int incr) { + (void)r; + (void)incr; + return (caddr_t)-1; +} + +__attribute__((weak, used)) int _fstat_r(struct _reent *r, int file, struct stat *st) { + (void)r; + (void)file; + (void)st; + return 0; +} + +__attribute__((weak, used)) int _isatty_r(struct _reent *r, int fd) { + (void)r; + (void)fd; + return 1; +} + +__attribute__((weak, used)) void _fini(void) { return; } + +__attribute__((weak, used)) pid_t _getpid(void) { return 1; } + +__attribute__((weak, noreturn)) void _exit(int i) { + (void)i; + while (1) + ; +} + +__attribute__((weak)) void _kill(void) {} + +__attribute__((weak)) void *__dso_handle; + +void __cxa_pure_virtual(void); + +__attribute__((weak)) void __cxa_pure_virtual() { + while (1) + ; +} + +#pragma GCC diagnostic pop |