25 lines
668 B
ArmAsm
25 lines
668 B
ArmAsm
#ifdef __SUPPORT_VHEX_KERNEL
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#include <bits/asm/unistd_32.h>
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.text
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.global _fork_execve
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.type _fork_execve, @function
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.align 2
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/*
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** pid_t fork_execve(const char *pathname, char **argv, char **envp);
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** Custom syscall used to create a new process based on the new command passed
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** using the `argv` and `envp` parametter. This sycall is equivalent of fork()
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** and execve() combined.
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**
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** This custom syscall exist because the Vhex kernel doesn't have access to the
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** MMU, so we cannot ensure that the memory requested by the potential new
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** process is enough when execve() is involved by the user.
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*/
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_fork_execve:
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trapa #__NR_fork_execve
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rts
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nop
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.end
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#endif
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