On Tue, Jul 18, 2017 at 03:22:41PM -0700, Stefano Stabellini wrote:
From: Igor Druzhinin <igor.druzhinin@xxxxxxxxxx>
...
+static uint8_t *xen_replace_cache_entry_unlocked(hwaddr old_phys_addr,
+ hwaddr new_phys_addr,
+ hwaddr size)
+{
+ MapCacheEntry *entry;
+ hwaddr address_index, address_offset;
+ hwaddr test_bit_size, cache_size = size;
+
+ address_index = old_phys_addr >> MCACHE_BUCKET_SHIFT;
+ address_offset = old_phys_addr & (MCACHE_BUCKET_SIZE - 1);
+
+ assert(size);
+ /* test_bit_size is always a multiple of XC_PAGE_SIZE */
+ test_bit_size = size + (old_phys_addr & (XC_PAGE_SIZE - 1));
+ if (test_bit_size % XC_PAGE_SIZE) {
+ test_bit_size += XC_PAGE_SIZE - (test_bit_size % XC_PAGE_SIZE);
+ }
+ cache_size = size + address_offset;
+ if (cache_size % MCACHE_BUCKET_SIZE) {
+ cache_size += MCACHE_BUCKET_SIZE - (cache_size % MCACHE_BUCKET_SIZE);
+ }
+
+ entry = &mapcache->entry[address_index % mapcache->nr_buckets];
+ while (entry && !(entry->paddr_index == address_index &&
+ entry->size == cache_size)) {
+ entry = entry->next;
+ }
+ if (!entry) {
+ DPRINTF("Trying to update an entry for %lx " \
+ "that is not in the mapcache!\n", old_phys_addr);
+ return NULL;
+ }
+
+ address_index = new_phys_addr >> MCACHE_BUCKET_SHIFT;
+ address_offset = new_phys_addr & (MCACHE_BUCKET_SIZE - 1);
+
+ fprintf(stderr, "Replacing a dummy mapcache entry for %lx with %lx\n",
+ old_phys_addr, new_phys_addr);
Looks likes this does not build on 32bits.
in:
http://logs.test-lab.xenproject.org/osstest/logs/112041/build-i386/6.ts-xen-build.log
/home/osstest/build.112041.build-i386/xen/tools/qemu-xen-dir/hw/i386/xen/xen-mapcache.c:
In function 'xen_replace_cache_entry_unlocked':
/home/osstest/build.112041.build-i386/xen/tools/qemu-xen-dir/hw/i386/xen/xen-mapcache.c:539:13:
error: format '%lx' expects argument of type 'long unsigned int', but argument
3 has type 'hwaddr' [-Werror=format=]
old_phys_addr, new_phys_addr);
^
/home/osstest/build.112041.build-i386/xen/tools/qemu-xen-dir/hw/i386/xen/xen-mapcache.c:539:13:
error: format '%lx' expects argument of type 'long unsigned int', but argument
4 has type 'hwaddr' [-Werror=format=]
cc1: all warnings being treated as errors
CC i386-softmmu/target/i386/gdbstub.o
/home/osstest/build.112041.build-i386/xen/tools/qemu-xen-dir/rules.mak:66:
recipe for target 'hw/i386/xen/xen-mapcache.o' failed
+
+ xen_remap_bucket(entry, entry->vaddr_base,
+ cache_size, address_index, false);
+ if (!test_bits(address_offset >> XC_PAGE_SHIFT,
+ test_bit_size >> XC_PAGE_SHIFT,
+ entry->valid_mapping)) {
+ DPRINTF("Unable to update a mapcache entry for %lx!\n", old_phys_addr);
+ return NULL;
+ }
+
+ return entry->vaddr_base + address_offset;
+}
+
