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-rw-r--r--system/physmem.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/system/physmem.c b/system/physmem.c
index 3f4fd69..a8a9ca3 100644
--- a/system/physmem.c
+++ b/system/physmem.c
@@ -1264,7 +1264,7 @@ long qemu_maxrampagesize(void)
return pagesize;
}
-#ifdef CONFIG_POSIX
+#if defined(CONFIG_POSIX) && !defined(EMSCRIPTEN)
static int64_t get_file_size(int fd)
{
int64_t size;
@@ -1999,7 +1999,7 @@ out_free:
}
}
-#ifdef CONFIG_POSIX
+#if defined(CONFIG_POSIX) && !defined(EMSCRIPTEN)
RAMBlock *qemu_ram_alloc_from_fd(ram_addr_t size, ram_addr_t max_size,
qemu_ram_resize_cb resized, MemoryRegion *mr,
uint32_t ram_flags, int fd, off_t offset,
@@ -2179,7 +2179,8 @@ RAMBlock *qemu_ram_alloc_internal(ram_addr_t size, ram_addr_t max_size,
assert(!host ^ (ram_flags & RAM_PREALLOC));
assert(max_size >= size);
-#ifdef CONFIG_POSIX /* ignore RAM_SHARED for Windows */
+ /* ignore RAM_SHARED for Windows and emscripten*/
+#if defined(CONFIG_POSIX) && !defined(EMSCRIPTEN)
if (!host) {
if (!share_flags && current_machine->aux_ram_share) {
ram_flags |= RAM_SHARED;
@@ -2276,7 +2277,7 @@ static void reclaim_ramblock(RAMBlock *block)
;
} else if (xen_enabled()) {
xen_invalidate_map_cache_entry(block->host);
-#ifndef _WIN32
+#if !defined(_WIN32) && !defined(EMSCRIPTEN)
} else if (block->fd >= 0) {
qemu_ram_munmap(block->fd, block->host, block->max_length);
close(block->fd);