From 4a45078c01dc83e95f70b65d244c388ec62c0b98 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Thu, 19 Jun 2025 12:34:12 -0400
Subject: kernel: pmap: Add arch-shared pmap_init() routine

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 sys/arch/aarch64/aarch64/pmap.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'sys/arch/aarch64')

diff --git a/sys/arch/aarch64/aarch64/pmap.c b/sys/arch/aarch64/aarch64/pmap.c
index 7e93959..d8f298b 100644
--- a/sys/arch/aarch64/aarch64/pmap.c
+++ b/sys/arch/aarch64/aarch64/pmap.c
@@ -87,3 +87,15 @@ pmap_set_cache(struct vas vas, vaddr_t va, int type)
     /* TODO: STUB */
     return 0;
 }
+
+int
+pmap_init(void)
+{
+    uint64_t mair;
+
+    mair = MT_ATTR(MT_NORMAL, MEM_NORMAL)       |
+           MT_ATTR(MT_NORMAL_UC, MEM_NORMAL_UC) |
+           MT_ATTR(MT_DEVICE, MEM_DEV_NGNRNE);
+    mair_el1_write(mair);
+    return 0;
+}
-- 
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