[PULL 4/5] hw/mips: Use memory_region_init_rom() with read-only regions

[Aleksandar Markovic]

From: Philippe Mathieu-Daudé <phi...@redhat.com>

This commit was produced with the Coccinelle script
scripts/coccinelle/memory-region-housekeeping.cocci.

Reviewed-by: Aleksandar Markovic <amarko...@wavecomp.com>
Signed-off-by: Aleksandar Markovic <amarko...@wavecomp.com>
Message-Id: <20200224205533.23798-8-phi...@redhat.com>
---
 hw/mips/mips_fulong2e.c | 3 +--
 hw/mips/mips_jazz.c     | 6 ++----
 hw/mips/mips_mipssim.c  | 3 +--
 hw/mips/mips_r4k.c      | 3 +--
 4 files changed, 5 insertions(+), 10 deletions(-)

diff --git a/hw/mips/mips_fulong2e.c b/hw/mips/mips_fulong2e.c
index c373ab0..4727b1d 100644
--- a/hw/mips/mips_fulong2e.c
+++ b/hw/mips/mips_fulong2e.c
@@ -319,9 +319,8 @@ static void mips_fulong2e_init(MachineState *machine)
     }
 
     /* allocate RAM */
-    memory_region_init_ram(bios, NULL, "fulong2e.bios", BIOS_SIZE,
+    memory_region_init_rom(bios, NULL, "fulong2e.bios", BIOS_SIZE,
                            &error_fatal);
-    memory_region_set_readonly(bios, true);
 
     memory_region_add_subregion(address_space_mem, 0, machine->ram);
     memory_region_add_subregion(address_space_mem, 0x1fc00000LL, bios);
diff --git a/hw/mips/mips_jazz.c b/hw/mips/mips_jazz.c
index 32fbd10..afea52b 100644
--- a/hw/mips/mips_jazz.c
+++ b/hw/mips/mips_jazz.c
@@ -197,9 +197,8 @@ static void mips_jazz_init(MachineState *machine,
     /* allocate RAM */
     memory_region_add_subregion(address_space, 0, machine->ram);
 
-    memory_region_init_ram(bios, NULL, "mips_jazz.bios", MAGNUM_BIOS_SIZE,
+    memory_region_init_rom(bios, NULL, "mips_jazz.bios", MAGNUM_BIOS_SIZE,
                            &error_fatal);
-    memory_region_set_readonly(bios, true);
     memory_region_init_alias(bios2, NULL, "mips_jazz.bios", bios,
                              0, MAGNUM_BIOS_SIZE);
     memory_region_add_subregion(address_space, 0x1fc00000LL, bios);
@@ -265,9 +264,8 @@ static void mips_jazz_init(MachineState *machine,
         {
             /* Simple ROM, so user doesn't have to provide one */
             MemoryRegion *rom_mr = g_new(MemoryRegion, 1);
-            memory_region_init_ram(rom_mr, NULL, "g364fb.rom", 0x80000,
+            memory_region_init_rom(rom_mr, NULL, "g364fb.rom", 0x80000,
                                    &error_fatal);
-            memory_region_set_readonly(rom_mr, true);
             uint8_t *rom = memory_region_get_ram_ptr(rom_mr);
             memory_region_add_subregion(address_space, 0x60000000, rom_mr);
             rom[0] = 0x10; /* Mips G364 */
diff --git a/hw/mips/mips_mipssim.c b/hw/mips/mips_mipssim.c
index b2555dd..d220318 100644
--- a/hw/mips/mips_mipssim.c
+++ b/hw/mips/mips_mipssim.c
@@ -165,9 +165,8 @@ mips_mipssim_init(MachineState *machine)
     qemu_register_reset(main_cpu_reset, reset_info);
 
     /* Allocate RAM. */
-    memory_region_init_ram(bios, NULL, "mips_mipssim.bios", BIOS_SIZE,
+    memory_region_init_rom(bios, NULL, "mips_mipssim.bios", BIOS_SIZE,
                            &error_fatal);
-    memory_region_set_readonly(bios, true);
 
     memory_region_add_subregion(address_space_mem, 0, machine->ram);
 
diff --git a/hw/mips/mips_r4k.c b/hw/mips/mips_r4k.c
index 258cd91..ad8b75e 100644
--- a/hw/mips/mips_r4k.c
+++ b/hw/mips/mips_r4k.c
@@ -237,9 +237,8 @@ void mips_r4k_init(MachineState *machine)
     dinfo = drive_get(IF_PFLASH, 0, 0);
     if ((bios_size > 0) && (bios_size <= BIOS_SIZE)) {
         bios = g_new(MemoryRegion, 1);
-        memory_region_init_ram(bios, NULL, "mips_r4k.bios", BIOS_SIZE,
+        memory_region_init_rom(bios, NULL, "mips_r4k.bios", BIOS_SIZE,
                                &error_fatal);
-        memory_region_set_readonly(bios, true);
         memory_region_add_subregion(get_system_memory(), 0x1fc00000, bios);
 
         load_image_targphys(filename, 0x1fc00000, BIOS_SIZE);
-- 
2.7.4