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authorChris Metcalf <cmetcalf@tilera.com>2010-10-15 00:00:11 +0400
committerChris Metcalf <cmetcalf@tilera.com>2010-10-15 23:36:54 +0400
commitbf65e440e8248f22b2eacf8d47961bb9d52260f7 (patch)
tree49189dfa1bc90732caedc1e872baed9fb360adf0 /arch/tile/mm/homecache.c
parent4fe938c5134fce1f25e1261eef6252fb47634962 (diff)
downloadlinux-bf65e440e8248f22b2eacf8d47961bb9d52260f7.tar.xz
arch/tile: add Tilera's <arch/sim.h> header as an open-source header
This change adds one of the Tilera standard <arch> headers to the set of headers shipped with Linux. The <arch/sim.h> header provides methods for programmatically interacting with the Tilera simulator. The current <arch/sim.h> provides inline assembly for the _sim_syscall function, so the declaration and definition previously provided manually in Linux are no longer needed. We now use the standard sim_validate_lines_evicted() method from <arch/sim.h> rather than rolling our own direct call to sim_syscall(). Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Diffstat (limited to 'arch/tile/mm/homecache.c')
-rw-r--r--arch/tile/mm/homecache.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/arch/tile/mm/homecache.c b/arch/tile/mm/homecache.c
index fb3b4a55cec4..d78df3a6ee15 100644
--- a/arch/tile/mm/homecache.c
+++ b/arch/tile/mm/homecache.c
@@ -37,6 +37,8 @@
#include <asm/pgalloc.h>
#include <asm/homecache.h>
+#include <arch/sim.h>
+
#include "migrate.h"
@@ -217,13 +219,6 @@ static unsigned long cache_flush_length(unsigned long length)
return (length >= CHIP_L2_CACHE_SIZE()) ? HV_FLUSH_EVICT_L2 : length;
}
-/* On the simulator, confirm lines have been evicted everywhere. */
-static void validate_lines_evicted(unsigned long pfn, size_t length)
-{
- sim_syscall(SIM_SYSCALL_VALIDATE_LINES_EVICTED,
- (HV_PhysAddr)pfn << PAGE_SHIFT, length);
-}
-
/* Flush a page out of whatever cache(s) it is in. */
void homecache_flush_cache(struct page *page, int order)
{
@@ -234,7 +229,7 @@ void homecache_flush_cache(struct page *page, int order)
homecache_mask(page, pages, &home_mask);
flush_remote(pfn, length, &home_mask, 0, 0, 0, NULL, NULL, 0);
- validate_lines_evicted(pfn, pages * PAGE_SIZE);
+ sim_validate_lines_evicted(PFN_PHYS(pfn), pages * PAGE_SIZE);
}