From b262bb6b956bc044144d47a5e037d4af98a19a30 Mon Sep 17 00:00:00 2001
From: Clyne Sullivan <clyne@bitgloo.com>
Date: Sun, 6 Oct 2024 15:00:30 -0400
Subject: smaller stack; complete vector table

---
 src/interrupt.zig | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'src/interrupt.zig')

diff --git a/src/interrupt.zig b/src/interrupt.zig
index 024efc5..f00fa22 100644
--- a/src/interrupt.zig
+++ b/src/interrupt.zig
@@ -1,8 +1,10 @@
-const vector_table_type = [256] *const fn () void;
+extern const init_vector_table: [2]u32;
+
+const vector_table_type = [128] *const fn () void; // up to 256
 var vector_table: vector_table_type align(256) = undefined;
 var vtor: **volatile vector_table_type = @ptrFromInt(0xE000ED08);
 
-pub const vector = enum(u8) {
+pub const vector = enum(u7) {
     NMI = 2,
     HardFault,
     MemManage,
@@ -20,6 +22,8 @@ pub const vector = enum(u8) {
 };
 
 pub fn initialize() void {
+    vector_table[0] = @ptrFromInt(init_vector_table[0]);
+    vector_table[1] = @ptrFromInt(init_vector_table[1]);
     register(.NMI, nmi);
     register(.HardFault, hardfault);
     register(.MemManage, memmanage);
-- 
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