adding simulator support for OS X

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1645 35acf78f-673a-0410-8e92-d51de3d6d3f4

3 files changed, 14 insertions, 6 deletions

diff --git a/os/hal/platforms/Linux/hal_lld.c b/os/hal/platforms/Linux/hal_lld.c
index e6679d07a..e143dd5fb 100644
--- a/os/hal/platforms/Linux/hal_lld.c
+++ b/os/hal/platforms/Linux/hal_lld.c
@@ -59,7 +59,11 @@ static struct timeval tick = {0, 1000000 / CH_FREQUENCY};
  */

 void hal_lld_init(void) {

 

+#if defined(__APPLE__)

+  puts("ChibiOS/RT simulator (OS X)\n");

+#else

   puts("ChibiOS/RT simulator (Linux)\n");

+#endif

   gettimeofday(&nextcnt, NULL);

   timeradd(&nextcnt, &tick, &nextcnt);

 }

diff --git a/os/ports/GCC/SIMIA32/chcore.c b/os/ports/GCC/SIMIA32/chcore.c
index 2cacd7b65..3b382b957 100644
--- a/os/ports/GCC/SIMIA32/chcore.c
+++ b/os/ports/GCC/SIMIA32/chcore.c
@@ -30,7 +30,7 @@
 /**

  * Performs a context switch between two threads.

  * @param otp the thread to be switched out

- * @param ntp the thread to be switched in
+ * @param ntp the thread to be switched in

  */

 __attribute__((used))

 static void __dummy(Thread *otp, Thread *ntp) {

@@ -38,6 +38,9 @@ static void __dummy(Thread *otp, Thread *ntp) {
 #if defined(WIN32)

   asm volatile (".globl @port_switch@8                          \n\t" \

                 "@port_switch@8:");

+#elif defined(__APPLE__)

+  asm volatile (".globl _port_switch                            \n\t" \

+                "_port_switch:");

 #else

   asm volatile (".globl port_switch                             \n\t" \

                 "port_switch:");

@@ -56,7 +59,7 @@ static void __dummy(Thread *otp, Thread *ntp) {
 }

 

 /**

- * Halts the system. In this implementation it just exits the simulation.
+ * Halts the system. In this implementation it just exits the simulation.

  */

 __attribute__((fastcall))

 void port_halt(void) {

@@ -65,11 +68,11 @@ void port_halt(void) {
 }

 

 /**

- * Threads return point, it just invokes @p chThdExit().
+ * Threads return point, it just invokes @p chThdExit().

  */

 void threadexit(void) {

 

-#if defined(WIN32)

+#if defined(WIN32) || defined (__APPLE__)

   asm volatile ("push    %eax                                   \n\t" \

                 "call    _chThdExit");

 #else

diff --git a/os/ports/GCC/SIMIA32/chcore.h b/os/ports/GCC/SIMIA32/chcore.h
index a65eb9640..dc73de91f 100644
--- a/os/ports/GCC/SIMIA32/chcore.h
+++ b/os/ports/GCC/SIMIA32/chcore.h
@@ -48,7 +48,7 @@ typedef struct {
 } stkalign_t __attribute__((aligned(16)));

 

 /**

- * Generic x86 register.
+ * Generic x86 register.

  */

 typedef void *regx86;

 

@@ -92,6 +92,7 @@ struct context {
   uint8_t *esp = (uint8_t *)workspace + wsize;                          \

   APUSH(esp, 0);                                                        \

   APUSH(esp, 0);                                                        \

+  APUSH(esp, 0);                                                        \

   APUSH(esp, arg);                                                      \

   APUSH(esp, threadexit);                                               \

   esp -= sizeof(struct intctx);                                         \

@@ -142,7 +143,7 @@ struct context {
 

 /**

  * IRQ prologue code, inserted at the start of all IRQ handlers enabled to

- * invoke system APIs.
+ * invoke system APIs.

  */

 #define PORT_IRQ_PROLOGUE()