From 6d31d6e0959f224630317d247f489d18e65aa5bc Mon Sep 17 00:00:00 2001 From: Amlal Date: Wed, 11 Sep 2024 22:34:21 +0200 Subject: Did work on lowering overhead and a faster kernel to userspace loading. - Userspace code and stack needs to be mapped to ring-3. - Reworking PML4 from the ground up on AMD64. - Start doing R&D on an ARM64 version of ZKA, running on CoreBoot. Signed-off-by: Amlal --- dev/ZBA/Sources/HEL/AMD64/BootAPI.S | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'dev/ZBA/Sources/HEL/AMD64/BootAPI.S') diff --git a/dev/ZBA/Sources/HEL/AMD64/BootAPI.S b/dev/ZBA/Sources/HEL/AMD64/BootAPI.S index 9db0961a..47f250f1 100644 --- a/dev/ZBA/Sources/HEL/AMD64/BootAPI.S +++ b/dev/ZBA/Sources/HEL/AMD64/BootAPI.S @@ -40,8 +40,13 @@ wait_gate2: reset_wait: jmp reset_wait -.global write_cr3 +.global boot_write_cr3 +.global boot_read_cr3 -write_cr3: +boot_read_cr3: + mov rax, rax + ret + +boot_write_cr3: mov cr3, rcx ret -- cgit v1.2.3