From f48184bbdc430516eb0b9331c401b0edc2abb4b0 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Thu, 29 Mar 2018 15:56:34 +0100
Subject: [PATCH] cpu.h: add __packed

---
 Kernel/cpu-6502/cpu.h    | 2 ++
 Kernel/cpu-65c816/cpu.h  | 2 ++
 Kernel/cpu-68000/cpu.h   | 2 ++
 Kernel/cpu-6809/cpu.h    | 1 +
 Kernel/cpu-68hc11/cpu.h  | 2 ++
 Kernel/cpu-8086/cpu.h    | 1 +
 Kernel/cpu-msp430x/cpu.h | 1 +
 Kernel/cpu-z80/cpu.h     | 5 +++++
 8 files changed, 16 insertions(+)

diff --git a/Kernel/cpu-6502/cpu.h b/Kernel/cpu-6502/cpu.h
index aa104865..5aa5f383 100644
--- a/Kernel/cpu-6502/cpu.h
+++ b/Kernel/cpu-6502/cpu.h
@@ -69,3 +69,5 @@ typedef union {            /* this structure is endian dependent */
 /* CC65 is bright enough to partly optimise this but not fully so do it
    by hand */
 #define HIBYTE32(x)	(((uint8_t *)&(x))[3])
+
+#define __packed
diff --git a/Kernel/cpu-65c816/cpu.h b/Kernel/cpu-65c816/cpu.h
index c370fb33..2a3c4a30 100644
--- a/Kernel/cpu-65c816/cpu.h
+++ b/Kernel/cpu-65c816/cpu.h
@@ -76,3 +76,5 @@ typedef union {            /* this structure is endian dependent */
 
 /* cc65 really wants structs used repeatedly to be marked register */
 #define regptr	register
+
+#define __packed
diff --git a/Kernel/cpu-68000/cpu.h b/Kernel/cpu-68000/cpu.h
index ef06b66e..99346082 100644
--- a/Kernel/cpu-68000/cpu.h
+++ b/Kernel/cpu-68000/cpu.h
@@ -77,3 +77,5 @@ register struct u_data *udata_ptr asm ("a5");
 #define CONFIG_STACKSIZE	1024
 
 #define CPUTYPE	CPUTYPE_68000
+
+#define __packed		__attribute__((packed))
diff --git a/Kernel/cpu-6809/cpu.h b/Kernel/cpu-6809/cpu.h
index c9a0285a..0ba8e112 100644
--- a/Kernel/cpu-6809/cpu.h
+++ b/Kernel/cpu-6809/cpu.h
@@ -71,3 +71,4 @@ typedef union {            /* this structure is endian dependent */
 #define BIG_ENDIAN
 
 #define CPUTYPE	CPUTYPE_6809
+#define __packed		__attribute__((packed))
diff --git a/Kernel/cpu-68hc11/cpu.h b/Kernel/cpu-68hc11/cpu.h
index 47f022d3..6faac2b5 100644
--- a/Kernel/cpu-68hc11/cpu.h
+++ b/Kernel/cpu-68hc11/cpu.h
@@ -68,3 +68,5 @@ typedef union {            /* this structure is endian dependent */
 #define BIG_ENDIAN
 
 #define CPUTYPE	CPUTYPE_68HC11
+
+#define __packed		__attribute__((packed))
diff --git a/Kernel/cpu-8086/cpu.h b/Kernel/cpu-8086/cpu.h
index df32872a..ce2ae6c1 100644
--- a/Kernel/cpu-8086/cpu.h
+++ b/Kernel/cpu-8086/cpu.h
@@ -94,3 +94,4 @@ static inline uint8_t inb(uint16_t port)
 }
 
 #define CPUTYPE	CPUTYPE_8086
+#define __packed		__attribute__((packed))
diff --git a/Kernel/cpu-msp430x/cpu.h b/Kernel/cpu-msp430x/cpu.h
index e6aae65f..03037c32 100644
--- a/Kernel/cpu-msp430x/cpu.h
+++ b/Kernel/cpu-msp430x/cpu.h
@@ -119,3 +119,4 @@ typedef union {            /* this structure is endian dependent */
 #define no_cache_udata()
 
 #define CPUTYPE	CPUTYPE_MSP340X
+#define __packed		__attribute__((packed))
diff --git a/Kernel/cpu-z80/cpu.h b/Kernel/cpu-z80/cpu.h
index cb5583cc..3c8de8e0 100644
--- a/Kernel/cpu-z80/cpu.h
+++ b/Kernel/cpu-z80/cpu.h
@@ -87,3 +87,8 @@ typedef union {            /* this structure is endian dependent */
 
 /* Deal with SDCC code gen issue */
 #define HIBYTE32(x)	(((uint8_t *)&(x))[3])
+
+/* SDCC does not support attribute(packed) but then it also doesn't insert
+   padding either */
+
+#define __packed
\ No newline at end of file
-- 
2.34.1