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-rw-r--r--hw/display/vga-isa.c10
-rw-r--r--hw/mips/bootloader.c6
-rw-r--r--hw/mips/boston.c5
3 files changed, 8 insertions, 13 deletions
diff --git a/hw/display/vga-isa.c b/hw/display/vga-isa.c
index 8cea84f2be..90851e730b 100644
--- a/hw/display/vga-isa.c
+++ b/hw/display/vga-isa.c
@@ -33,7 +33,6 @@
 #include "hw/loader.h"
 #include "hw/qdev-properties.h"
 #include "qom/object.h"
-#include "qapi/error.h"
 
 #define TYPE_ISA_VGA "isa-vga"
 OBJECT_DECLARE_SIMPLE_TYPE(ISAVGAState, ISA_VGA)
@@ -62,15 +61,6 @@ static void vga_isa_realizefn(DeviceState *dev, Error **errp)
     MemoryRegion *vga_io_memory;
     const MemoryRegionPortio *vga_ports, *vbe_ports;
 
-    /*
-     * make sure this device is not being added twice, if so
-     * exit without crashing qemu
-     */
-    if (object_resolve_path_type("", TYPE_ISA_VGA, NULL)) {
-        error_setg(errp, "at most one %s device is permitted", TYPE_ISA_VGA);
-        return;
-    }
-
     s->global_vmstate = true;
     vga_common_init(s, OBJECT(dev));
     s->legacy_address_space = isa_address_space(isadev);
diff --git a/hw/mips/bootloader.c b/hw/mips/bootloader.c
index 6ec8314490..99991f8b2b 100644
--- a/hw/mips/bootloader.c
+++ b/hw/mips/bootloader.c
@@ -182,7 +182,11 @@ void bl_gen_write_ulong(uint32_t **p, target_ulong addr, target_ulong val)
 {
     bl_gen_load_ulong(p, BL_REG_K0, val);
     bl_gen_load_ulong(p, BL_REG_K1, addr);
-    bl_gen_sd(p, BL_REG_K0, BL_REG_K1, 0x0);
+    if (bootcpu_supports_isa(ISA_MIPS3)) {
+        bl_gen_sd(p, BL_REG_K0, BL_REG_K1, 0x0);
+    } else {
+        bl_gen_sw(p, BL_REG_K0, BL_REG_K1, 0x0);
+    }
 }
 
 void bl_gen_write_u32(uint32_t **p, target_ulong addr, uint32_t val)
diff --git a/hw/mips/boston.c b/hw/mips/boston.c
index 0e3cca5511..59ca08b93a 100644
--- a/hw/mips/boston.c
+++ b/hw/mips/boston.c
@@ -777,14 +777,15 @@ static void boston_mach_init(MachineState *machine)
             exit(1);
         }
     } else if (machine->kernel_filename) {
-        uint64_t kernel_entry, kernel_high, kernel_size;
+        uint64_t kernel_entry, kernel_high;
+        ssize_t kernel_size;
 
         kernel_size = load_elf(machine->kernel_filename, NULL,
                            cpu_mips_kseg0_to_phys, NULL,
                            &kernel_entry, NULL, &kernel_high,
                            NULL, 0, EM_MIPS, 1, 0);
 
-        if (kernel_size) {
+        if (kernel_size > 0) {
             int dt_size;
             g_autofree const void *dtb_file_data, *dtb_load_data;
             hwaddr dtb_paddr = QEMU_ALIGN_UP(kernel_high, 64 * KiB);