From 409a993d77def6a8f18447efec43b50757afee2e Mon Sep 17 00:00:00 2001 From: Anton Lydike Date: Sat, 21 Aug 2021 12:54:31 +0200 Subject: [PATCH] removed lib as it was out of date and discontinued --- lib/stdlib.c | 69 ---------------------------------------------------- lib/stdlib.h | 23 ------------------ 2 files changed, 92 deletions(-) delete mode 100644 lib/stdlib.c delete mode 100644 lib/stdlib.h diff --git a/lib/stdlib.c b/lib/stdlib.c deleted file mode 100644 index 61e2360..0000000 --- a/lib/stdlib.c +++ /dev/null @@ -1,69 +0,0 @@ -#include "stdlib.h" - -inline void __attribute__((always_inline)) ecall() { - asm volatile("ecall"); -} - -// process control -int spawn(void (*child)(void*), void* args); - -void sleep(int length) { - asm volatile( - "li a7, 1\n" - "ecall\n" - "mv a0, %0" - :: "r"(length) - ); -} - -int join(int pid, int timeout) { - return 0; -} - -int kill(int pid) { - return 0; -} - -void __attribute__((noreturn)) exit(int code); - -// locks -m_lock mutex_create() { - m_lock result; - asm ( - "li a7, 8\n" - "ecall\n" - "mv %0, a0" : - "=r"(result) - ); - return result; -} - -int mutex_lock(m_lock lock, int timeout) { - int result; - asm ( - "li a7, 9\n" - "mv a0, %1\n" - "mv a1, %2\n" - "ecall\n" - "mv %0, a0" - : "=r"(result) - : "r"(lock), "r"(timeout) - ); - return result; -} - -void mutex_unlock(m_lock lock) { - asm ( - "li a7, 10\n" - "mv a0, %0" :: - "r"(lock) - ); -} - -void mutex_destroy(m_lock lock) { - asm ( - "li a7, 11\n" - "mv a0, %0" :: - "r"(lock) - ); -} diff --git a/lib/stdlib.h b/lib/stdlib.h deleted file mode 100644 index 0c7565c..0000000 --- a/lib/stdlib.h +++ /dev/null @@ -1,23 +0,0 @@ -#pragma once - -// process control -int spawn(void (*child)(void*), void* args); - -void sleep(int length); - -int join(int pid, int timeout); - -int kill(int pid); - -void __attribute__((noreturn)) exit(int code); - -// locks -typedef int m_lock; - -m_lock mutex_create(); - -int mutex_lock(m_lock lock, int timeout); - -void mutex_unlock(m_lock lock); - -void mutex_destroy(m_lock lock);