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| author | Giovanni Di Sirio <gdisirio@gmail.com> | 2016-02-16 09:59:21 +0000 |
|---|---|---|
| committer | Giovanni Di Sirio <gdisirio@gmail.com> | 2016-02-16 09:59:21 +0000 |
| commit | 641f2c372605cf405f0dda8536b45a78e0e5e2e2 (patch) | |
| tree | f120afff37ef959b367a6023749700d5b618beff /os/common/ports/SIMIA32/chcore.c | |
| parent | 5e24a813bef8d7ac5ca79fe9079db0fc2d2bb8b2 (diff) | |
| download | ChibiOS-641f2c372605cf405f0dda8536b45a78e0e5e2e2.tar.gz ChibiOS-641f2c372605cf405f0dda8536b45a78e0e5e2e2.tar.bz2 ChibiOS-641f2c372605cf405f0dda8536b45a78e0e5e2e2.zip | |
Tree reorganization.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@8899 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/common/ports/SIMIA32/chcore.c')
| -rw-r--r-- | os/common/ports/SIMIA32/chcore.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/os/common/ports/SIMIA32/chcore.c b/os/common/ports/SIMIA32/chcore.c new file mode 100644 index 000000000..92d0fed7f --- /dev/null +++ b/os/common/ports/SIMIA32/chcore.c @@ -0,0 +1,120 @@ +/*
+ ChibiOS - Copyright (C) 2006..2015 Giovanni Di Sirio.
+
+ This file is part of ChibiOS.
+
+ ChibiOS 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.
+
+ ChibiOS 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/>.
+*/
+
+/**
+ * @file SIMIA32/chcore.c
+ * @brief Simulator on IA32 port code.
+ *
+ * @addtogroup SIMIA32_GCC_CORE
+ * @{
+ */
+
+#include <windows.h>
+
+#include "ch.h"
+
+/*===========================================================================*/
+/* Module local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module exported variables. */
+/*===========================================================================*/
+
+bool port_isr_context_flag;
+syssts_t port_irq_sts;
+
+/*===========================================================================*/
+/* Module local types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module local variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module exported functions. */
+/*===========================================================================*/
+
+/**
+ * Performs a context switch between two threads.
+ * @param otp the thread to be switched out
+ * @param ntp the thread to be switched in
+ */
+__attribute__((used))
+static void __dummy(thread_t *ntp, thread_t *otp) {
+ (void)ntp; (void)otp;
+
+ asm volatile (
+#if defined(WIN32)
+ ".globl @port_switch@8 \n\t"
+ "@port_switch@8:"
+#elif defined(__APPLE__)
+ ".globl _port_switch \n\t"
+ "_port_switch:"
+#else
+ ".globl port_switch \n\t"
+ "port_switch:"
+#endif
+ "push %ebp \n\t"
+ "push %esi \n\t"
+ "push %edi \n\t"
+ "push %ebx \n\t"
+ "movl %esp, 12(%edx) \n\t"
+ "movl 12(%ecx), %esp \n\t"
+ "pop %ebx \n\t"
+ "pop %edi \n\t"
+ "pop %esi \n\t"
+ "pop %ebp \n\t"
+ "ret");
+}
+
+/**
+ * @brief Start a thread by invoking its work function.
+ * @details If the work function returns @p chThdExit() is automatically
+ * invoked.
+ */
+__attribute__((cdecl, noreturn))
+void _port_thread_start(msg_t (*pf)(void *), void *p) {
+
+ chSysUnlock();
+ pf(p);
+ chThdExit(0);
+ while(1);
+}
+
+
+/**
+ * @brief Returns the current value of the realtime counter.
+ *
+ * @return The realtime counter value.
+ */
+rtcnt_t port_rt_get_counter_value(void) {
+ LARGE_INTEGER n;
+
+ QueryPerformanceCounter(&n);
+
+ return (rtcnt_t)(n.QuadPart / 1000LL);
+}
+
+/** @} */
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