linux-jlime-sh3-2.6.16.20: Add patches for known gcc 4.1.1 issues

* Lower default optimization to -O1
* add volatile struct so it doesnt get wiped out by gcc
jlime-donkey.conf: Set default optimization
* Lower default optimization to -O1

6 files changed, 153 insertions, 4 deletions

diff --git a/packages/linux/linux-jlime-sh3-2.6.16.20/Optimize-O1.patch b/packages/linux/linux-jlime-sh3-2.6.16.20/Optimize-O1.patch
new file mode 100644
index 0000000000..4b8f1ec53d
--- /dev/null
+++ b/packages/linux/linux-jlime-sh3-2.6.16.20/Optimize-O1.patch
@@ -0,0 +1,22 @@
+--- linux-2.6.16.20/Makefile_orig	2006-06-08 23:14:14.000000000 +0000
++++ linux-2.6.16.20/Makefile	2006-06-08 23:15:39.000000000 +0000
+@@ -185,8 +185,8 @@
+ 
+ HOSTCC  	= gcc
+ HOSTCXX  	= g++
+-HOSTCFLAGS	= -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
+-HOSTCXXFLAGS	= -O2
++HOSTCFLAGS	= -Wall -Wstrict-prototypes -O1 -fomit-frame-pointer
++HOSTCXXFLAGS	= -O1
+ 
+ # 	Decide whether to build built-in, modular, or both.
+ #	Normally, just do built-in.
+@@ -501,7 +501,7 @@
+ ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
+ CFLAGS		+= -Os
+ else
+-CFLAGS		+= -O2
++CFLAGS		+= -O1
+ endif
+ 
+ #Add align options if CONFIG_CC_* is not equal to 0
diff --git a/packages/linux/linux-jlime-sh3-2.6.16.20/defconfig_jlime b/packages/linux/linux-jlime-sh3-2.6.16.20/defconfig_jlime
index 47ba191dc0..452b8d8210 100644
--- a/packages/linux/linux-jlime-sh3-2.6.16.20/defconfig_jlime
+++ b/packages/linux/linux-jlime-sh3-2.6.16.20/defconfig_jlime
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
 # Linux kernel version: 2.6.16-sh
-# Thu Jun  8 01:14:17 2006
+# Thu Jun  8 03:45:30 2006
 #
 CONFIG_SUPERH=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
@@ -23,7 +23,7 @@ CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
-# CONFIG_POSIX_MQUEUE is not set
+CONFIG_POSIX_MQUEUE=y
 CONFIG_BSD_PROCESS_ACCT=y
 # CONFIG_BSD_PROCESS_ACCT_V3 is not set
 CONFIG_SYSCTL=y
@@ -32,7 +32,7 @@ CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_UID16=y
-CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 # CONFIG_EMBEDDED is not set
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
diff --git a/packages/linux/linux-jlime-sh3-2.6.16.20/volatile-signal.c.patch b/packages/linux/linux-jlime-sh3-2.6.16.20/volatile-signal.c.patch
new file mode 100644
index 0000000000..0a8178c4c6
--- /dev/null
+++ b/packages/linux/linux-jlime-sh3-2.6.16.20/volatile-signal.c.patch
@@ -0,0 +1,65 @@
+--- linux-2.6.16.20/arch/sh/kernel/signal.c_orig	2006-06-08 23:52:12.000000000 +0000
++++ linux-2.6.16.20/arch/sh/kernel/signal.c	2006-06-08 23:58:27.000000000 +0000
+@@ -33,7 +33,7 @@
+ 
+ #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
+ 
+-asmlinkage int do_signal(struct pt_regs *regs, sigset_t *oldset);
++asmlinkage int do_signal(volatile struct pt_regs *regs, sigset_t *oldset);
+ 
+ /*
+  * Atomically swap in the new signal mask, and wait for a signal.
+@@ -41,7 +41,7 @@
+ asmlinkage int
+ sys_sigsuspend(old_sigset_t mask,
+ 	       unsigned long r5, unsigned long r6, unsigned long r7,
+-	       struct pt_regs regs)
++	       volatile struct pt_regs regs)
+ {
+ 	sigset_t saveset;
+ 
+@@ -64,7 +64,7 @@
+ asmlinkage int
+ sys_rt_sigsuspend(sigset_t *unewset, size_t sigsetsize,
+ 		  unsigned long r6, unsigned long r7,
+-		  struct pt_regs regs)
++		  volatile struct pt_regs regs)
+ {
+ 	sigset_t saveset, newset;
+ 
+@@ -92,7 +92,7 @@
+ 
+ asmlinkage int 
+ sys_sigaction(int sig, const struct old_sigaction __user *act,
+-	      struct old_sigaction __user *oact)
++	      volatile struct old_sigaction __user *oact)
+ {
+ 	struct k_sigaction new_ka, old_ka;
+ 	int ret;
+@@ -125,7 +125,7 @@
+ asmlinkage int
+ sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
+ 		unsigned long r6, unsigned long r7,
+-		struct pt_regs regs)
++		volatile struct pt_regs regs)
+ {
+ 	return do_sigaltstack(uss, uoss, regs.regs[15]);
+ }
+@@ -232,7 +232,7 @@
+ 
+ asmlinkage int sys_sigreturn(unsigned long r4, unsigned long r5,
+ 			     unsigned long r6, unsigned long r7,
+-			     struct pt_regs regs)
++			     volatile struct pt_regs regs)
+ {
+ 	struct sigframe __user *frame = (struct sigframe __user *)regs.regs[15];
+ 	sigset_t set;
+@@ -265,7 +265,7 @@
+ 
+ asmlinkage int sys_rt_sigreturn(unsigned long r4, unsigned long r5,
+ 				unsigned long r6, unsigned long r7,
+-				struct pt_regs regs)
++				volatile struct pt_regs regs)
+ {
+ 	struct rt_sigframe __user *frame = (struct rt_sigframe __user *)regs.regs[15];
+ 	sigset_t set;
diff --git a/packages/linux/linux-jlime-sh3-2.6.16.20/volatile-sys_sh.c.patch b/packages/linux/linux-jlime-sh3-2.6.16.20/volatile-sys_sh.c.patch
new file mode 100644
index 0000000000..f90fe7fff4
--- /dev/null
+++ b/packages/linux/linux-jlime-sh3-2.6.16.20/volatile-sys_sh.c.patch
@@ -0,0 +1,11 @@
+--- linux-2.6.16.20/arch/sh/kernel/sys_sh.c_orig	2006-06-09 00:00:18.000000000 +0000
++++ linux-2.6.16.20/arch/sh/kernel/sys_sh.c	2006-06-09 00:02:24.000000000 +0000
+@@ -31,7 +31,7 @@
+  */
+ asmlinkage int sys_pipe(unsigned long r4, unsigned long r5,
+ 	unsigned long r6, unsigned long r7,
+-	struct pt_regs regs)
++	volatile struct pt_regs regs)
+ {
+ 	int fd[2];
+ 	int error;
diff --git a/packages/linux/linux-jlime-sh3-2.6.16.20/volatile-traps.c.patch b/packages/linux/linux-jlime-sh3-2.6.16.20/volatile-traps.c.patch
new file mode 100644
index 0000000000..dd432f58e5
--- /dev/null
+++ b/packages/linux/linux-jlime-sh3-2.6.16.20/volatile-traps.c.patch
@@ -0,0 +1,47 @@
+--- linux-2.6.16.20/arch/sh/kernel/traps.c_orig	2006-06-09 00:03:58.000000000 +0000
++++ linux-2.6.16.20/arch/sh/kernel/traps.c	2006-06-09 00:07:04.000000000 +0000
+@@ -51,7 +51,7 @@
+ #define DO_ERROR(trapnr, signr, str, name, tsk)				\
+ asmlinkage void do_##name(unsigned long r4, unsigned long r5,		\
+ 			  unsigned long r6, unsigned long r7,		\
+-			  struct pt_regs regs)				\
++			  volatile struct pt_regs regs)				\
+ {									\
+ 	unsigned long error_code;					\
+  									\
+@@ -89,7 +89,7 @@
+ 
+ DEFINE_SPINLOCK(die_lock);
+ 
+-void die(const char * str, struct pt_regs * regs, long err)
++void die(const char * str, volatile struct pt_regs * regs, long err)
+ {
+ 	static int die_counter;
+ 
+@@ -102,7 +102,7 @@
+ 	do_exit(SIGSEGV);
+ }
+ 
+-static inline void die_if_kernel(const char * str, struct pt_regs * regs, long err)
++static inline void die_if_kernel(const char * str, volatile struct pt_regs * regs, long err)
+ {
+ 	if (!user_mode(regs))
+ 		die(str, regs, err);
+@@ -117,7 +117,7 @@
+  * - other kernel errors are bad
+  * - return 0 if fixed-up, -EFAULT if non-fatal (to the kernel) fault
+  */
+-static int die_if_no_fixup(const char * str, struct pt_regs * regs, long err)
++static int die_if_no_fixup(const char * str, volatile struct pt_regs * regs, long err)
+ {
+ 	if (!user_mode(regs))
+ 	{
+@@ -581,7 +581,7 @@
+ 
+ asmlinkage void do_exception_error(unsigned long r4, unsigned long r5,
+ 				   unsigned long r6, unsigned long r7,
+-				   struct pt_regs regs)
++				   volatile struct pt_regs regs)
+ {
+ 	long ex;
+ 	asm volatile("stc	r2_bank, %0" : "=r" (ex));
diff --git a/packages/linux/linux-jlime-sh3_2.6.16.20.bb b/packages/linux/linux-jlime-sh3_2.6.16.20.bb
index 3410130c27..53010e6b23 100644
--- a/packages/linux/linux-jlime-sh3_2.6.16.20.bb
+++ b/packages/linux/linux-jlime-sh3_2.6.16.20.bb
@@ -7,7 +7,11 @@ COMPATIBLE_HOST = "sh.*-linux"
 COMPATIBLE_MACHINE = 'jornada6xx'
 
 SRC_URI = "http://www.jlime.com/downloads/Releases/donkey/kernels/6xx/sources/jlime-2.6.16.20-patched.tar.gz \
-           file://defconfig_jlime"
+           file://defconfig_jlime \
+	   file://volatile-traps.c.patch;patch=1  \
+	   file://volatile-signal.c.patch;patch=1 \
+	   file://volatile-sys_sh.c.patch;patch=1 \
+	   file://Optimize-O1.patch;patch=1"
 
 S = "${WORKDIR}/linux-${PV}"