svn commit: r266850 - in head/sys/arm/xscale: i80321 i8134x ixp425 pxa

[Olivier Houchard]

Author: cognet
Date: Thu May 29 16:56:39 2014
New Revision: 266850
URL: http://svnweb.freebsd.org/changeset/base/266850

Log:
  Do not hand the VM the memory used for stacks/page tables/etc.

Modified:
  head/sys/arm/xscale/i80321/ep80219_machdep.c
  head/sys/arm/xscale/i80321/iq31244_machdep.c
  head/sys/arm/xscale/i8134x/crb_machdep.c
  head/sys/arm/xscale/ixp425/avila_machdep.c
  head/sys/arm/xscale/pxa/pxa_machdep.c

Modified: head/sys/arm/xscale/i80321/ep80219_machdep.c
==============================================================================
--- head/sys/arm/xscale/i80321/ep80219_machdep.c	Thu May 29 16:54:15 2014	(r266849)
+++ head/sys/arm/xscale/i80321/ep80219_machdep.c	Thu May 29 16:56:39 2014	(r266850)
@@ -341,6 +341,10 @@ initarm(struct arm_boot_params *abp)
 	 * Prepare the list of physical memory available to the vm subsystem.
 	 */
 	arm_physmem_hardware_region(IQ80321_SDRAM_START, memsize);
+	arm_physmem_exclude_region(freemem_pt, KERNPHYSADDR -
+	    freemem_pt, EXFLAG_NOALLOC);
+	arm_physmem_exclude_region(freemempos, KERNPHYSADDR - 0x100000 -
+	    freemempos, EXFLAG_NOALLOC);
 	arm_physmem_exclude_region(abp->abp_physaddr, 
 	    virtual_avail - KERNVIRTADDR, EXFLAG_NOALLOC);
 	arm_physmem_init_kernel_globals();

Modified: head/sys/arm/xscale/i80321/iq31244_machdep.c
==============================================================================
--- head/sys/arm/xscale/i80321/iq31244_machdep.c	Thu May 29 16:54:15 2014	(r266849)
+++ head/sys/arm/xscale/i80321/iq31244_machdep.c	Thu May 29 16:56:39 2014	(r266850)
@@ -343,6 +343,10 @@ initarm(struct arm_boot_params *abp)
 	 * Prepare the list of physical memory available to the vm subsystem.
 	 */
 	arm_physmem_hardware_region(SDRAM_START, memsize);
+	arm_physmem_exclude_region(freemem_pt, KERNPHYSADDR -
+	    freemem_pt, EXFLAG_NOALLOC);
+	arm_physmem_exclude_region(freemempos, KERNPHYSADDR - 0x100000 -
+	    freemempos, EXFLAG_NOALLOC);			
 	arm_physmem_exclude_region(abp->abp_physaddr, 
 	    virtual_avail - KERNVIRTADDR, EXFLAG_NOALLOC);
 	arm_physmem_init_kernel_globals();

Modified: head/sys/arm/xscale/i8134x/crb_machdep.c
==============================================================================
--- head/sys/arm/xscale/i8134x/crb_machdep.c	Thu May 29 16:54:15 2014	(r266849)
+++ head/sys/arm/xscale/i8134x/crb_machdep.c	Thu May 29 16:56:39 2014	(r266850)
@@ -323,6 +323,10 @@ initarm(struct arm_boot_params *abp)
 	 * Prepare the list of physical memory available to the vm subsystem.
 	 */
 	arm_physmem_hardware_region(SDRAM_START, memsize);
+	arm_physmem_exclude_region(freemem_pt, KERNPHYSADDR -
+	    freemem_pt, EXFLAG_NOALLOC);
+	arm_physmem_exclude_region(freemempos, KERNPHYSADDR - 0x100000 -
+	    freemempos, EXFLAG_NOALLOC);
 	arm_physmem_exclude_region(abp->abp_physaddr, 
 	    virtual_avail - KERNVIRTADDR, EXFLAG_NOALLOC);
 	arm_physmem_init_kernel_globals();

Modified: head/sys/arm/xscale/ixp425/avila_machdep.c
==============================================================================
--- head/sys/arm/xscale/ixp425/avila_machdep.c	Thu May 29 16:54:15 2014	(r266849)
+++ head/sys/arm/xscale/ixp425/avila_machdep.c	Thu May 29 16:56:39 2014	(r266850)
@@ -413,6 +413,10 @@ initarm(struct arm_boot_params *abp)
 	 * Prepare the list of physical memory available to the vm subsystem.
 	 */
 	arm_physmem_hardware_region(PHYSADDR, memsize);
+	arm_physmem_exclude_region(freemem_pt, KERNPHYSADDR -
+	    freemem_pt, EXFLAG_NOALLOC);
+	arm_physmem_exclude_region(freemempos, KERNPHYSADDR - 0x100000 -
+	    freemempos, EXFLAG_NOALLOC);
 	arm_physmem_exclude_region(abp->abp_physaddr, 
 	    virtual_avail - KERNVIRTADDR, EXFLAG_NOALLOC);
 	arm_physmem_init_kernel_globals();

Modified: head/sys/arm/xscale/pxa/pxa_machdep.c
==============================================================================
--- head/sys/arm/xscale/pxa/pxa_machdep.c	Thu May 29 16:54:15 2014	(r266849)
+++ head/sys/arm/xscale/pxa/pxa_machdep.c	Thu May 29 16:56:39 2014	(r266850)
@@ -335,6 +335,10 @@ initarm(struct arm_boot_params *abp)
 		if (memsize[j] > 0)
 			arm_physmem_hardware_region(memstart[j], memsize[j]);
 	}
+	arm_physmem_exclude_region(freemem_pt, KERNPHYSADDR -
+	    freemem_pt, EXFLAG_NOALLOC);
+	arm_physmem_exclude_region(freemempos, KERNPHYSADDR - 0x100000 -
+	    freemempos, EXFLAG_NOALLOC);
 	arm_physmem_exclude_region(abp->abp_physaddr, 
 	    virtual_avail - KERNVIRTADDR, EXFLAG_NOALLOC);
 	arm_physmem_init_kernel_globals();