From 9353b8e0b88cd5237ebf274f0590766adc72cec7 Mon Sep 17 00:00:00 2001
From: Virgile Prevosto <virgile.prevosto@m4x.org>
Date: Wed, 12 Jul 2023 10:51:24 +0200
Subject: [PATCH] [machdep] avoid warnings when generating AVR machdeps
turns out clang wants to have a specific CPU when using -target avr
---
share/machdeps/machdep_avr_16.yaml | 5 +++++
share/machdeps/machdep_avr_8.yaml | 5 +++++
2 files changed, 10 insertions(+)
diff --git a/share/machdeps/machdep_avr_16.yaml b/share/machdeps/machdep_avr_16.yaml
index f5ee3f6c848..055d78e85c3 100644
--- a/share/machdeps/machdep_avr_16.yaml
+++ b/share/machdeps/machdep_avr_16.yaml
@@ -16,6 +16,7 @@ cpp_arch_flags:
- -target
- avr
- -m16
+- -mmcu=atmega16
custom_defs: |
#undef AVR
#define AVR 1
@@ -33,6 +34,8 @@ custom_defs: |
#define __ATOMIC_SEQ_CST 5
#undef __AVR
#define __AVR 1
+ #undef __AVR_ATmega16__
+ #define __AVR_ATmega16__ 1
#undef __AVR__
#define __AVR__ 1
#undef __BIGGEST_ALIGNMENT__
@@ -645,6 +648,8 @@ custom_defs: |
#define __clang_version__ "15.0.7 "
#undef __clang_wide_literal_encoding__
#define __clang_wide_literal_encoding__ "UTF-16"
+ #undef __flash
+ #define __flash __attribute__((address_space(1)))
#undef __llvm__
#define __llvm__ 1
eof: (-1)
diff --git a/share/machdeps/machdep_avr_8.yaml b/share/machdeps/machdep_avr_8.yaml
index 9a9268a4d55..cbaeb67bbd3 100644
--- a/share/machdeps/machdep_avr_8.yaml
+++ b/share/machdeps/machdep_avr_8.yaml
@@ -15,6 +15,7 @@ compiler: clang
cpp_arch_flags:
- -target
- avr
+- -mmcu=atmega8
custom_defs: |
#undef AVR
#define AVR 1
@@ -32,6 +33,8 @@ custom_defs: |
#define __ATOMIC_SEQ_CST 5
#undef __AVR
#define __AVR 1
+ #undef __AVR_ATmega8__
+ #define __AVR_ATmega8__ 1
#undef __AVR__
#define __AVR__ 1
#undef __BIGGEST_ALIGNMENT__
@@ -644,6 +647,8 @@ custom_defs: |
#define __clang_version__ "15.0.7 "
#undef __clang_wide_literal_encoding__
#define __clang_wide_literal_encoding__ "UTF-16"
+ #undef __flash
+ #define __flash __attribute__((address_space(1)))
#undef __llvm__
#define __llvm__ 1
eof: (-1)
--
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