4 SGI patches - non-identity mapped kernel + misc fixes

diff -Naur linux_base/arch/ia64/config.in linux/arch/ia64/config.in
@@ -35,7 +35,6 @@
 	 DIG-compliant		CONFIG_IA64_DIG			\
 	 HP-simulator		CONFIG_IA64_HP_SIM		\
 	 HP-zx1			CONFIG_IA64_HP_ZX1		\
-	 SGI-SN1		CONFIG_IA64_SGI_SN1		\
 	 SGI-SN2		CONFIG_IA64_SGI_SN2" generic
 
 if [ "$CONFIG_ITANIUM" = "y" ]; then

@@ -54,11 +53,7 @@
 if [ "$CONFIG_ITANIUM" = "y" ]; then
 	define_bool CONFIG_IA64_BRL_EMU y
 	bool '  Enable Itanium B-step specific code' CONFIG_ITANIUM_BSTEP_SPECIFIC
-	if [ "$CONFIG_IA64_SGI_SN1" = "y" ]; then
-	  define_int CONFIG_IA64_L1_CACHE_SHIFT 7 # align cache-sensitive data to 128 bytes
-	else
-	  define_int CONFIG_IA64_L1_CACHE_SHIFT 6 # align cache-sensitive data to 64 bytes
-	fi
+	define_int CONFIG_IA64_L1_CACHE_SHIFT 6 # align cache-sensitive data to 64 bytes
 fi
 
 if [ "$CONFIG_MCKINLEY" = "y" ]; then

@@ -74,13 +69,12 @@
 	define_bool CONFIG_PM y
 fi
 
-if [ "$CONFIG_IA64_SGI_SN1" = "y" -o "$CONFIG_IA64_SGI_SN2" = "y" ]; then
+if [ "$CONFIG_IA64_SGI_SN2" = "y" ]; then
 	define_bool CONFIG_IA64_SGI_SN y
 	bool '  Enable extra debugging code' CONFIG_IA64_SGI_SN_DEBUG
 	bool '  Enable SGI Medusa Simulator Support' CONFIG_IA64_SGI_SN_SIM
-	bool '  Enable autotest (llsc). Option to run cache test instead of booting' \
-			CONFIG_IA64_SGI_AUTOTEST
 	bool '  Enable protocol mode for the L1 console' CONFIG_SERIAL_SGI_L1_PROTOCOL
+	define_bool CONFIG_HWGFS_FS y
 	define_bool CONFIG_DISCONTIGMEM y
 	define_bool CONFIG_IA64_MCA y
 	define_bool CONFIG_NUMA y

diff -Naur linux_base/arch/ia64/kernel/Makefile linux/arch/ia64/kernel/Makefile
@@ -17,6 +17,7 @@
 	 machvec.o pal.o process.o perfmon.o ptrace.o sal.o salinfo.o semaphore.o setup.o	 \
 	 signal.o sys_ia64.o traps.o time.o unaligned.o unwind.o
 obj-$(CONFIG_IA64_GENERIC) += iosapic.o
+obj-$(CONFIG_IA64_SGI_SN2) += iosapic.o
 obj-$(CONFIG_IA64_HP_ZX1) += iosapic.o
 obj-$(CONFIG_IA64_DIG) += iosapic.o
 obj-$(CONFIG_IA64_PALINFO) += palinfo.o

diff -Naur linux_base/arch/ia64/kernel/efi_stub.S linux/arch/ia64/kernel/efi_stub.S
@@ -62,7 +62,7 @@
 	mov b6=r2
 	;;
 	andcm r16=loc3,r16		// get psr with IT, DT, and RT bits cleared
-	br.call.sptk.many rp=ia64_switch_mode
+	br.call.sptk.many rp=ia64_switch_mode_phys
 .ret0:	mov out4=in5
 	mov out0=in1
 	mov out1=in2

@@ -73,7 +73,7 @@
 	br.call.sptk.many rp¶		// call the EFI function
 .ret1:	mov ar.rsc=0			// put RSE in enforced lazy, LE mode
 	mov r16=loc3
-	br.call.sptk.many rp=ia64_switch_mode // return to virtual mode
+	br.call.sptk.many rp=ia64_switch_mode_virt // return to virtual mode
 .ret2:	mov ar.rsc=loc4			// restore RSE configuration
 	mov ar.pfs=loc1
 	mov rp=loc0

105 lines not on this page · raw message

diff -Naur linux_base/arch/ia64/kernel/pal.S linux/arch/ia64/kernel/pal.S
@@ -164,7 +164,7 @@
 	;;
 	mov loc4=ar.rsc			// save RSE configuration
 	dep.z loc2=loc2,0,61		// convert pal entry point to physical
-	dep.z r8=r8,0,61		// convert rp to physical
+	tpa r8=r8			// convert rp to physical
 	;;
 	mov b7 = loc2			// install target to branch reg
 	mov ar.rsc=0			// put RSE in enforced lazy, LE mode

@@ -174,13 +174,13 @@
 	or loc3=loc3,r17		// add in psr the bits to set
 	;;
 	andcm r16=loc3,r16		// removes bits to clear from psr
-	br.call.sptk.many rp=ia64_switch_mode
+	br.call.sptk.many rp=ia64_switch_mode_phys
 .ret1:	mov rp = r8			// install return address (physical)
 	br.cond.sptk.many b7
 1:
 	mov ar.rsc=0			// put RSE in enforced lazy, LE mode
 	mov r16=loc3			// r16= original psr
-	br.call.sptk.many rp=ia64_switch_mode // return to virtual mode
+	br.call.sptk.many rp=ia64_switch_mode_virt // return to virtual mode
 .ret2:
 	mov psr.l = loc3		// restore init PSR
 

@@ -228,13 +228,13 @@
 	mov b7 = loc2			// install target to branch reg
 	;;
 	andcm r16=loc3,r16		// removes bits to clear from psr
-	br.call.sptk.many rp=ia64_switch_mode
+	br.call.sptk.many rp=ia64_switch_mode_phys
 .ret6:
 	br.call.sptk.many rp·		// now make the call
 .ret7:
 	mov ar.rsc=0			// put RSE in enforced lazy, LE mode
 	mov r16=loc3			// r16= original psr
-	br.call.sptk.many rp=ia64_switch_mode	// return to virtual mode
+	br.call.sptk.many rp=ia64_switch_mode_virt	// return to virtual mode
 
 .ret8:	mov psr.l  = loc3		// restore init PSR
 	mov ar.pfs = loc1