From 1460a7a23075297ae463aa48e32615af7b83eea6 Mon Sep 17 00:00:00 2001 From: Erin Date: Wed, 9 Aug 2023 03:01:42 +0200 Subject: [PATCH] Edit 0x0 --- spec.md | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/spec.md b/spec.md index 138ac84..b9aad2a 100644 --- a/spec.md +++ b/spec.md @@ -262,8 +262,9 @@ # Memory - Addresses are 64 bit - Program should be in the same address space as all other data -- Address `0x0` is invalid and acessing it traps - Memory implementation is arbitrary + - Address `0x0` may or may not be valid. Count with compilers + considering it invalid! - In case of accessing invalid address: - Program shall trap (LoadAccessEx, StoreAccessEx) with parameter of accessed address - Value of register when trapped is undefined