From 35f9062e37a7d6493b9b82da4da9440ec42a621a Mon Sep 17 00:00:00 2001
From: Ludwig Ortmann <ludwig.ortmann@fu-berlin.de>
Date: Wed, 15 May 2013 17:45:43 +0200
Subject: [PATCH] inital OSX support for native port
---
Makefile.include | 12 ++++++++++++
cpu/native/hwtimer_cpu.c | 16 ++++++++++++++++
cpu/native/include/cpu-conf.h | 8 ++++++++
cpu/native/include/cpu.h | 6 ++++++
cpu/native/irq_cpu.c | 11 +++++++++--
cpu/native/native_cpu.c | 6 ++++++
cpu/native/tramp.S | 23 +++++++++++++++++++++++
sys/lib/ringbuffer.c | 7 ++++++-
8 files changed, 86 insertions(+), 3 deletions(-)
diff --git a/Makefile.include b/Makefile.include
index 56cddaa8dc..c195d5bc21 100644
--- a/Makefile.include
+++ b/Makefile.include
@@ -21,14 +21,26 @@ BASELIBS += $(PROJBINDIR)/${PROJECT}.a
PROJBINDIR =$(CURDIR)/bin
+# clumsy way to enable building native on osx:
+BUILDOSXNATIVE = 0
+ifeq ($(CPU),native)
+ifeq ($(shell uname -s),Darwin)
+ BUILDOSXNATIVE = 1
+endif
+endif
+
## make script for your project. Build RIOT-base here!
all: $(PROJBINDIR)/$(PROJECT).a
@echo "Building project $(PROJECT) for $(BOARD) w/ MCU $(MCU)."
$(MAKE) -C $(RIOTBOARD)
$(MAKE) -C $(RIOTBASE)
+ifeq ($(BUILDOSXNATIVE),1)
+ @$(LINK) $(UNDEF) -o $(PROJBINDIR)/$(PROJECT).elf $(BASELIBS) $(LINKFLAGS) -Wl,-no_pie
+else
@$(LINK) $(UNDEF) -o $(PROJBINDIR)/$(PROJECT).elf -Wl,--start-group $(BASELIBS) -lm -Wl,--end-group -Wl,-Map=$(PROJBINDIR)/$(PROJECT).map $(LINKFLAGS)
@$(SIZE) $(PROJBINDIR)/$(PROJECT).elf
@$(OBJCOPY) -O ihex $(PROJBINDIR)/$(PROJECT).elf $(PROJBINDIR)/$(PROJECT).hex
+endif
## your make rules
## Only basic example - modify it for larger projects!!
diff --git a/cpu/native/hwtimer_cpu.c b/cpu/native/hwtimer_cpu.c
index bda90b6b5e..db7b09ca34 100644
--- a/cpu/native/hwtimer_cpu.c
+++ b/cpu/native/hwtimer_cpu.c
@@ -20,6 +20,11 @@
* @}
*/
+#ifdef __MACH__
+#include <mach/clock.h>
+#include <mach/mach.h>
+#endif
+
#include <time.h>
#include <sys/time.h>
#include <signal.h>
@@ -204,9 +209,20 @@ unsigned long hwtimer_arch_now(void)
DEBUG("hwtimer_arch_now()\n");
+#ifdef __MACH__
+ clock_serv_t cclock;
+ mach_timespec_t mts;
+ host_get_clock_service(mach_host_self(), SYSTEM_CLOCK, &cclock);
+ clock_get_time(cclock, &mts);
+ mach_port_deallocate(mach_task_self(), cclock);
+ t.tv_sec = mts.tv_sec;
+ t.tv_nsec = mts.tv_nsec;
+#else
if (clock_gettime(CLOCK_MONOTONIC, &t) == -1) {
err(1, "hwtimer_arch_now: clock_gettime");
}
+#endif
+
native_hwtimer_now = ts2ticks(&t);
DEBUG("hwtimer_arch_now(): it is now %lis %lins\n", t.tv_sec, t.tv_nsec);
diff --git a/cpu/native/include/cpu-conf.h b/cpu/native/include/cpu-conf.h
index 98be2377d9..2471a2b657 100644
--- a/cpu/native/include/cpu-conf.h
+++ b/cpu/native/include/cpu-conf.h
@@ -17,11 +17,19 @@
#include <signal.h>
/* TODO: choose more sensibly? */
+#ifdef __MACH__
+#define KERNEL_CONF_STACKSIZE_DEFAULT (163840)
+#define KERNEL_CONF_STACKSIZE_IDLE (163840)
+#define NATIVE_ISR_STACKSIZE (163840)
+#define TRANSCEIVER_STACK_SIZE (163840)
+#define MINIMUM_STACK_SIZE (163840)
+#else
#define KERNEL_CONF_STACKSIZE_DEFAULT (16384)
#define KERNEL_CONF_STACKSIZE_IDLE (16384)
#define NATIVE_ISR_STACKSIZE (16384)
#define TRANSCEIVER_STACK_SIZE (16384)
#define MINIMUM_STACK_SIZE (16384)
+#endif
/* for cc110x_ng */
#define RX_BUF_SIZE (10)
diff --git a/cpu/native/include/cpu.h b/cpu/native/include/cpu.h
index ad29479cf8..2a51e9deef 100644
--- a/cpu/native/include/cpu.h
+++ b/cpu/native/include/cpu.h
@@ -19,7 +19,13 @@
#ifndef _CPU_H
#define _CPU_H
+#ifdef __MACH__
+#define _XOPEN_SOURCE
+#endif
#include <ucontext.h>
+#ifdef __MACH__
+#undef _XOPEN_SOURCE
+#endif
#include "kernel_intern.h"
#include "sched.h"
diff --git a/cpu/native/irq_cpu.c b/cpu/native/irq_cpu.c
index 70bc44054e..2da242cb97 100644
--- a/cpu/native/irq_cpu.c
+++ b/cpu/native/irq_cpu.c
@@ -48,6 +48,8 @@ struct int_handler_t {
static struct int_handler_t native_irq_handlers[255];
char sigalt_stk[SIGSTKSZ];
+#define SIGMAX (255) // XXX: do this properly if possible
+
void print_thread_sigmask(ucontext_t *cp)
{
sigset_t *p = &cp->uc_sigmask;
@@ -55,7 +57,7 @@ void print_thread_sigmask(ucontext_t *cp)
err(1, "print_thread_sigmask: sigemptyset");
}
- for (int i = 1; i<(SIGRTMAX); i++) {
+ for (int i = 1; i<(SIGMAX); i++) {
if (native_irq_handlers[i].func != NULL) {
printf("%s: %s\n",
strsignal(i),
@@ -98,7 +100,7 @@ void native_print_signals()
err(1, "native_print_signals(): sigprocmask");
}
- for (int i = 1; i<(SIGRTMAX); i++) {
+ for (int i = 1; i<(SIGMAX); i++) {
if (native_irq_handlers[i].func != NULL || i == SIGUSR1) {
printf("%s: %s\n",
strsignal(i),
@@ -291,8 +293,13 @@ void native_isr_entry(int sig, siginfo_t *info, void *context)
if (_native_in_syscall == 0) {
_native_in_isr = 1;
DEBUG("\n\n\t\treturn to _native_sig_leave_tramp\n\n");
+#ifdef __MACH__
+ _native_saved_eip = ((ucontext_t*)context)->uc_mcontext->__ss.__eip;
+ ((ucontext_t*)context)->uc_mcontext->__ss.__eip = (unsigned int)&_native_sig_leave_tramp;
+#else
_native_saved_eip = ((ucontext_t*)context)->uc_mcontext.gregs[REG_EIP];
((ucontext_t*)context)->uc_mcontext.gregs[REG_EIP] = (unsigned int)&_native_sig_leave_tramp;
+#endif
// TODO: change sigmask?
}
else {
diff --git a/cpu/native/native_cpu.c b/cpu/native/native_cpu.c
index 89337e7495..369a988fcb 100644
--- a/cpu/native/native_cpu.c
+++ b/cpu/native/native_cpu.c
@@ -15,7 +15,13 @@
* @author Ludwig Ortmann <ludwig.ortmann@fu-berlin.de>
*/
#include <stdio.h>
+#ifdef __MACH__
+#define _XOPEN_SOURCE
+#endif
#include <ucontext.h>
+#ifdef __MACH__
+#undef _XOPEN_SOURCE
+#endif
#include <err.h>
#include "kernel_intern.h"
diff --git a/cpu/native/tramp.S b/cpu/native/tramp.S
index 427f485ff1..4ba4b5d536 100644
--- a/cpu/native/tramp.S
+++ b/cpu/native/tramp.S
@@ -1,5 +1,27 @@
.text
+#ifdef __MACH__
+.globl __native_sig_leave_tramp
+__native_sig_leave_tramp:
+ pushl %eax
+ pushf
+ pushl %ebp
+ pushl %esp
+
+ movl %esp, %ebp
+ subl $24, %esp
+ movl $__native_isr_ctx, 4(%esp)
+ movl $__native_cur_ctx, (%esp)
+ call _swapcontext
+
+ addl $24, %esp
+ popl %esp
+ popl %ebp
+ popf
+ popl %eax
+
+ jmp *__native_saved_eip
+#else
.extern $_native_saved_eip
.extern $_native_isr_ctx
.extern $_native_cur_ctx
@@ -27,3 +49,4 @@ _native_sig_leave_tramp:
movl $0x0, _native_in_isr;
jmp *_native_saved_eip
+#endif
diff --git a/sys/lib/ringbuffer.c b/sys/lib/ringbuffer.c
index 4e021942d5..3d6083f803 100755
--- a/sys/lib/ringbuffer.c
+++ b/sys/lib/ringbuffer.c
@@ -1,8 +1,13 @@
#include <stdio.h>
#include <stdint.h>
-#include <malloc.h>
#include <string.h>
+#ifdef __MACH__
+#include <stdlib.h>
+#else
+#include "malloc.h"
+#endif
+
#include "ringbuffer.h"
//#define DEBUG(...) printf (__VA_ARGS__)
--
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