From e2bd3c7b6fcd6147fcbf699be087a475608ffdf7 Mon Sep 17 00:00:00 2001 From: Amlal El Mahrouss Date: Fri, 23 May 2025 15:57:42 +0200 Subject: feat(krnl, libSystem, boot): Make space for LibSystem inside Handover boot structure. what: - Mostly related to the libSystem.sys library. - Updated the implementation of it, the specs, and added new APIs. - Fixed the hooks inside AsmProc.h Signed-off-by: Amlal El Mahrouss --- dev/user/src/SystemCalls+IO.asm | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'dev/user/src/SystemCalls+IO.asm') diff --git a/dev/user/src/SystemCalls+IO.asm b/dev/user/src/SystemCalls+IO.asm index 77e22b59..9126b7de 100644 --- a/dev/user/src/SystemCalls+IO.asm +++ b/dev/user/src/SystemCalls+IO.asm @@ -19,17 +19,31 @@ global sci_syscall_arg_3 global sci_syscall_arg_4 sci_syscall_arg_1: + push rbp + mov rbp, rsp + mov r8, rcx syscall + + pop rbp + ret sci_syscall_arg_2: + push rbp + mov rbp, rsp + mov r8, rcx mov r9, rdx syscall + pop rbp + ret sci_syscall_arg_3: + push rbp + mov rbp, rsp + mov rbx, r8 mov r8, rcx @@ -37,9 +51,14 @@ sci_syscall_arg_3: mov r10, rbx syscall + pop rbp + ret sci_syscall_arg_4: + push rbp + mov rbp, rsp + mov rbx, r8 mov rax, r9 @@ -49,4 +68,6 @@ sci_syscall_arg_4: mov r11, rax syscall + pop rbp + ret -- cgit v1.2.3