diff options
| -rw-r--r-- | exec.c | 19 | ||||
| -rw-r--r-- | xen-mapcache-stub.c | 4 | ||||
| -rw-r--r-- | xen-mapcache.c | 31 | ||||
| -rw-r--r-- | xen-mapcache.h | 15 |
4 files changed, 4 insertions, 65 deletions
@@ -53,6 +53,7 @@ #endif #else /* !CONFIG_USER_ONLY */ #include "xen-mapcache.h" +#include "trace.h" #endif //#define DEBUG_TB_INVALIDATE @@ -3088,7 +3089,7 @@ void *qemu_get_ram_ptr(ram_addr_t addr) if (block->offset == 0) { return qemu_map_cache(addr, 0, 1); } else if (block->host == NULL) { - block->host = xen_map_block(block->offset, block->length); + block->host = qemu_map_cache(block->offset, block->length, 1); } } return block->host + (addr - block->offset); @@ -3117,7 +3118,7 @@ void *qemu_safe_ram_ptr(ram_addr_t addr) if (block->offset == 0) { return qemu_map_cache(addr, 0, 1); } else if (block->host == NULL) { - block->host = xen_map_block(block->offset, block->length); + block->host = qemu_map_cache(block->offset, block->length, 1); } } return block->host + (addr - block->offset); @@ -3135,19 +3136,7 @@ void qemu_put_ram_ptr(void *addr) trace_qemu_put_ram_ptr(addr); if (xen_mapcache_enabled()) { - RAMBlock *block; - - QLIST_FOREACH(block, &ram_list.blocks, next) { - if (addr == block->host) { - break; - } - } - if (block && block->host) { - xen_unmap_block(block->host, block->length); - block->host = NULL; - } else { - qemu_invalidate_entry(addr); - } + qemu_invalidate_entry(block->host); } } diff --git a/xen-mapcache-stub.c b/xen-mapcache-stub.c index 60f712b229..8a2380a151 100644 --- a/xen-mapcache-stub.c +++ b/xen-mapcache-stub.c @@ -34,7 +34,3 @@ void qemu_invalidate_map_cache(void) void qemu_invalidate_entry(uint8_t *buffer) { } -uint8_t *xen_map_block(target_phys_addr_t phys_addr, target_phys_addr_t size) -{ - return NULL; -} diff --git a/xen-mapcache.c b/xen-mapcache.c index 57fe24de86..fac47cd9be 100644 --- a/xen-mapcache.c +++ b/xen-mapcache.c @@ -362,34 +362,3 @@ void qemu_invalidate_map_cache(void) mapcache_unlock(); } - -uint8_t *xen_map_block(target_phys_addr_t phys_addr, target_phys_addr_t size) -{ - uint8_t *vaddr_base; - xen_pfn_t *pfns; - int *err; - unsigned int i; - target_phys_addr_t nb_pfn = size >> XC_PAGE_SHIFT; - - trace_xen_map_block(phys_addr, size); - phys_addr >>= XC_PAGE_SHIFT; - - pfns = qemu_mallocz(nb_pfn * sizeof (xen_pfn_t)); - err = qemu_mallocz(nb_pfn * sizeof (int)); - - for (i = 0; i < nb_pfn; i++) { - pfns[i] = phys_addr + i; - } - - vaddr_base = xc_map_foreign_bulk(xen_xc, xen_domid, PROT_READ|PROT_WRITE, - pfns, err, nb_pfn); - if (vaddr_base == NULL) { - perror("xc_map_foreign_bulk"); - exit(-1); - } - - qemu_free(pfns); - qemu_free(err); - - return vaddr_base; -} diff --git a/xen-mapcache.h b/xen-mapcache.h index b89b8f9653..6216cc3be7 100644 --- a/xen-mapcache.h +++ b/xen-mapcache.h @@ -9,27 +9,12 @@ #ifndef XEN_MAPCACHE_H #define XEN_MAPCACHE_H -#include <sys/mman.h> -#include "trace.h" - void qemu_map_cache_init(void); uint8_t *qemu_map_cache(target_phys_addr_t phys_addr, target_phys_addr_t size, uint8_t lock); ram_addr_t qemu_ram_addr_from_mapcache(void *ptr); void qemu_invalidate_entry(uint8_t *buffer); void qemu_invalidate_map_cache(void); -uint8_t *xen_map_block(target_phys_addr_t phys_addr, target_phys_addr_t size); - -static inline void xen_unmap_block(void *addr, ram_addr_t size) -{ - trace_xen_unmap_block(addr, size); - - if (munmap(addr, size) != 0) { - hw_error("xen_unmap_block: %s", strerror(errno)); - } -} - - #define mapcache_lock() ((void)0) #define mapcache_unlock() ((void)0) |