22 lines
741 B
C
22 lines
741 B
C
/*
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* define the syscall numbers of PKE OS kernel.
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*/
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#ifndef _SYSCALL_H_
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#define _SYSCALL_H_
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// syscalls of PKE OS kernel. append below if adding new syscalls.
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#define SYS_user_base 64
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#define SYS_user_print (SYS_user_base + 0)
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#define SYS_user_exit (SYS_user_base + 1)
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#define SYS_user_allocate_page (SYS_user_base + 2)
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#define SYS_user_free_page (SYS_user_base + 3)
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#define SYS_user_fork (SYS_user_base + 4)
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#define SYS_user_yield (SYS_user_base + 5)
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// add syscall uart putchar getchar
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#define SYS_user_uart_putchar (SYS_user_base + 6)
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#define SYS_user_uart_getchar (SYS_user_base + 7)
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#define SYS_user_gpio_reg_write (SYS_user_base + 8)
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long do_syscall(long a0, long a1, long a2, long a3, long a4, long a5, long a6, long a7);
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#endif
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