From e818cab3f1fc4a3d4d0b8e2c9424fb2e7b1dff70 Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Fri, 2 Aug 2024 01:20:40 +0200
Subject: *: use a generic UserRegs type everywhere I'm storing registers

mostly inspired by Plan 9's Ureg, probably obvious from the name
---
 src/kernel/arch/amd64/sysenter.h | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

(limited to 'src/kernel/arch/amd64/sysenter.h')

diff --git a/src/kernel/arch/amd64/sysenter.h b/src/kernel/arch/amd64/sysenter.h
index 03a9f45..65c46f8 100644
--- a/src/kernel/arch/amd64/sysenter.h
+++ b/src/kernel/arch/amd64/sysenter.h
@@ -1,9 +1,14 @@
 #pragma once
 #include <kernel/types.h>
 
-// sysenter.c
-extern CpuRegs _sysexit_regs;
+typedef struct SysexitRegs SysexitRegs;
+struct SysexitRegs {
+	UserRegs u;
+	char sse[512];
+};
+_Static_assert(sizeof(SysexitRegs) == 18 * 8 + 512);
+
+extern SysexitRegs _sysexit_regs;
 _Noreturn void sysenter_stage2(void);
 
-// sysenter.s
 _Noreturn void _sysexit_real(void);
-- 
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