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113 lines
2.6 KiB
C
113 lines
2.6 KiB
C
/**
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* Native CPU internal declarations
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*/
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/**
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* @ingroup arch
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* @defgroup native_cpu Native CPU
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* @{
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* @author Ludwig Ortmann <ludwig.ortmann@fu-berlin.de>
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*/
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#ifndef _NATIVE_INTERNAL_H
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#define _NATIVE_INTERNAL_H
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#include <signal.h>
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/* enable signal handler register access on different platforms
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* check here for more:
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* http://sourceforge.net/p/predef/wiki/OperatingSystems/
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*/
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#if (defined(__FreeBSD__) || defined(__MACH__))
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#ifndef _XOPEN_SOURCE
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#define _XOPEN_SOURCE
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#include <ucontext.h>
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#undef _XOPEN_SOURCE
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#else
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#include <ucontext.h>
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#endif
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#elif defined(__linux__)
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#ifndef _GNU_SOURCE
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#define GNU_SOURCE
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#include <ucontext.h>
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#undef GNU_SOURCE
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#else
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#include <ucontext.h>
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#endif
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#endif // BSD/Linux
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/**
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* internal functions
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*/
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void native_cpu_init(void);
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void native_interrupt_init(void);
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extern void native_hwtimer_pre_init(void);
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void native_irq_handler(void);
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extern void _native_sig_leave_tramp(void);
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void _native_syscall_leave(void);
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void _native_syscall_enter(void);
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/**
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* external functions regularly wrapped in native for direct use
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*/
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extern ssize_t (*real_read)(int fd, void *buf, size_t count);
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extern ssize_t (*real_write)(int fd, const void *buf, size_t count);
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extern void* (*real_malloc)(size_t size);
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extern void (*real_free)(void *ptr);
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extern void* (*real_calloc)(size_t nmemb, size_t size);
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extern void* (*real_realloc)(void *ptr, size_t size);
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extern int (*real_getpid)(void);
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extern int (*real_pipe)(int[2]);
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extern int (*real_close)(int);
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/**
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* data structures
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*/
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extern volatile int native_interrupts_enabled;
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extern volatile unsigned int _native_saved_eip;
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extern int _sig_pipefd[2];
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extern volatile int _native_sigpend;
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extern volatile int _native_in_isr;
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extern volatile int _native_in_syscall;
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extern char __isr_stack[SIGSTKSZ];
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extern char __end_stack[SIGSTKSZ];
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extern ucontext_t native_isr_context;
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extern ucontext_t end_context;
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extern ucontext_t *_native_cur_ctx, *_native_isr_ctx;
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extern const char *_progname;
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extern char **_native_argv;
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extern pid_t _native_pid;
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extern pid_t _native_id;
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extern const char *_native_unix_socket_path;
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#ifdef MODULE_UART0
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#include <sys/select.h>
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extern fd_set _native_rfds;
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#endif
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ssize_t _native_read(int fd, void *buf, size_t count);
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ssize_t _native_write(int fd, const void *buf, size_t count);
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/**
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* register interrupt handler handler for interrupt sig
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*/
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int register_interrupt(int sig, void (*handler)(void));
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/**
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* unregister interrupt handler for interrupt sig
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*/
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int unregister_interrupt(int sig);
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//#include <sys/param.h>
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#include "kernel_internal.h"
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#include "sched.h"
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/** @} */
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#endif /* _NATIVE_INTERNAL_H */
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