Patchwork [v9,17/27] loader: allow adding ROMs in done callbacks

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Submitter Michael S. Tsirkin
Date Oct. 7, 2013, 9:36 a.m.
Message ID <1381138458-6848-18-git-send-email-mst@redhat.com>
Download mbox | patch
Permalink /patch/281038/
State New
Headers show

Comments

Michael S. Tsirkin - Oct. 7, 2013, 9:36 a.m.
Don't abort if machine done callbacks add ROMs.

Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 include/hw/loader.h | 1 +
 hw/core/loader.c    | 6 +++++-
 vl.c                | 3 +++
 3 files changed, 9 insertions(+), 1 deletion(-)

Patch

diff --git a/include/hw/loader.h b/include/hw/loader.h
index e0c576b..58eca98 100644
--- a/include/hw/loader.h
+++ b/include/hw/loader.h
@@ -46,6 +46,7 @@  void *rom_add_blob(const char *name, const void *blob, size_t len,
 int rom_add_elf_program(const char *name, void *data, size_t datasize,
                         size_t romsize, hwaddr addr);
 int rom_load_all(void);
+void rom_load_done(void);
 void rom_set_fw(FWCfgState *f);
 int rom_copy(uint8_t *dest, hwaddr addr, size_t size);
 void *rom_ptr(hwaddr addr);
diff --git a/hw/core/loader.c b/hw/core/loader.c
index 060729f..60d2ebd 100644
--- a/hw/core/loader.c
+++ b/hw/core/loader.c
@@ -812,10 +812,14 @@  int rom_load_all(void)
         memory_region_unref(section.mr);
     }
     qemu_register_reset(rom_reset, NULL);
-    roms_loaded = 1;
     return 0;
 }
 
+void rom_load_done(void)
+{
+    roms_loaded = 1;
+}
+
 void rom_set_fw(FWCfgState *f)
 {
     fw_cfg = f;
diff --git a/vl.c b/vl.c
index fb8006e..46c29c4 100644
--- a/vl.c
+++ b/vl.c
@@ -4339,6 +4339,9 @@  int main(int argc, char **argv, char **envp)
     qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
     qemu_run_machine_init_done_notifiers();
 
+    /* Done notifiers can load ROMs */
+    rom_load_done();
+
     qemu_system_reset(VMRESET_SILENT);
     if (loadvm) {
         if (load_vmstate(loadvm) < 0) {