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补充系统调用返回值使用的寄存器

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pointer-to-bios 2024-03-09 18:28:45 +08:00
parent 9b9fcc87cf
commit 38d65b4d70
1 changed files with 2 additions and 0 deletions
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include/kernel/arch/x86_64/syscall.h
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@ -24,6 +24,8 @@ extern void *system_calls_table[256];
* r14 - 参数7 * r14 - 参数7
* r15 - 参数8 * r15 - 参数8
* *
* 返回值 - rax
*
* 系统调用时，使用内核主堆栈。 * 系统调用时，使用内核主堆栈。
*/ */