Fix manpage errors

[qemu.git] / hw / mips_mipssim.c

diff --git a/hw/mips_mipssim.c b/hw/mips_mipssim.c
index b3f190e21a9d26e9861ba9f9535cc05d8ca0d78a..9a6f50cd15152f2ac714e2836a6f6cc96a77fb62 100644 (file)
--- a/hw/mips_mipssim.c
+++ b/hw/mips_mipssim.c
@@ -32,14 +32,8 @@
 #include "sysemu.h"
 #include "boards.h"
 #include "mips-bios.h"
-
-#ifdef TARGET_MIPS64
-#define PHYS_TO_VIRT(x) ((x) | ~0x7fffffffULL)
-#else
-#define PHYS_TO_VIRT(x) ((x) | ~0x7fffffffU)
-#endif
-
-#define VIRT_TO_PHYS_ADDEND (-((int64_t)(int32_t)0x80000000))
+#include "loader.h"
+#include "elf.h"
 
 static struct _loaderparams {
     int ram_size;
@@ -48,20 +42,32 @@ static struct _loaderparams {
     const char *initrd_filename;
 } loaderparams;
 
-static void load_kernel (CPUState *env)
+typedef struct ResetData {
+    CPUState *env;
+    uint64_t vector;
+} ResetData;
+
+static int64_t load_kernel(void)
 {
-    int64_t entry, kernel_low, kernel_high;
+    int64_t entry, kernel_high;
     long kernel_size;
     long initrd_size;
     ram_addr_t initrd_offset;
+    int big_endian;
+
+#ifdef TARGET_WORDS_BIGENDIAN
+    big_endian = 1;
+#else
+    big_endian = 0;
+#endif
 
-    kernel_size = load_elf(loaderparams.kernel_filename, VIRT_TO_PHYS_ADDEND,
-                           (uint64_t *)&entry, (uint64_t *)&kernel_low,
-                           (uint64_t *)&kernel_high);
+    kernel_size = load_elf(loaderparams.kernel_filename, cpu_mips_kseg0_to_phys,
+                           NULL, (uint64_t *)&entry, NULL,
+                           (uint64_t *)&kernel_high, big_endian,
+                           ELF_MACHINE, 1);
     if (kernel_size >= 0) {
         if ((entry & ~0x7fffffffULL) == 0x80000000)
             entry = (int32_t)entry;
-        env->active_tc.PC = entry;
     } else {
         fprintf(stderr, "qemu: could not load kernel '%s'\n",
                 loaderparams.kernel_filename);
@@ -90,15 +96,16 @@ static void load_kernel (CPUState *env)
             exit(1);
         }
     }
+    return entry;
 }
 
 static void main_cpu_reset(void *opaque)
 {
-    CPUState *env = opaque;
-    cpu_reset(env);
+    ResetData *s = (ResetData *)opaque;
+    CPUState *env = s->env;
 
-    if (loaderparams.kernel_filename)
-        load_kernel (env);
+    cpu_reset(env);
+    env->active_tc.PC = s->vector;
 }
 
 static void
@@ -107,10 +114,11 @@ mips_mipssim_init (ram_addr_t ram_size,
                    const char *kernel_filename, const char *kernel_cmdline,
                    const char *initrd_filename, const char *cpu_model)
 {
-    char buf[1024];
+    char *filename;
     ram_addr_t ram_offset;
     ram_addr_t bios_offset;
     CPUState *env;
+    ResetData *reset_info;
     int bios_size;
 
     /* Init CPUs. */
@@ -126,7 +134,10 @@ mips_mipssim_init (ram_addr_t ram_size,
         fprintf(stderr, "Unable to find CPU definition\n");
         exit(1);
     }
-    qemu_register_reset(main_cpu_reset, env);
+    reset_info = qemu_mallocz(sizeof(ResetData));
+    reset_info->env = env;
+    reset_info->vector = env->active_tc.PC;
+    qemu_register_reset(main_cpu_reset, reset_info);
 
     /* Allocate RAM. */
     ram_offset = qemu_ram_alloc(ram_size);
@@ -140,13 +151,18 @@ mips_mipssim_init (ram_addr_t ram_size,
     /* Load a BIOS / boot exception handler image. */
     if (bios_name == NULL)
         bios_name = BIOS_FILENAME;
-    snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
-    bios_size = load_image_targphys(buf, 0x1fc00000LL, BIOS_SIZE);
+    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
+    if (filename) {
+        bios_size = load_image_targphys(filename, 0x1fc00000LL, BIOS_SIZE);
+        qemu_free(filename);
+    } else {
+        bios_size = -1;
+    }
     if ((bios_size < 0 || bios_size > BIOS_SIZE) && !kernel_filename) {
         /* Bail out if we have neither a kernel image nor boot vector code. */
         fprintf(stderr,
                 "qemu: Could not load MIPS bios '%s', and no -kernel argument was specified\n",
-                buf);
+                filename);
         exit(1);
     } else {
         /* We have a boot vector start address. */
@@ -158,7 +174,7 @@ mips_mipssim_init (ram_addr_t ram_size,
         loaderparams.kernel_filename = kernel_filename;
         loaderparams.kernel_cmdline = kernel_cmdline;
         loaderparams.initrd_filename = initrd_filename;
-        load_kernel(env);
+        reset_info->vector = load_kernel();
     }
 
     /* Init CPU internal devices. */
@@ -178,8 +194,15 @@ mips_mipssim_init (ram_addr_t ram_size,
         mipsnet_init(0x4200, env->irq[2], &nd_table[0]);
 }
 
-QEMUMachine mips_mipssim_machine = {
+static QEMUMachine mips_mipssim_machine = {
     .name = "mipssim",
     .desc = "MIPS MIPSsim platform",
     .init = mips_mipssim_init,
 };
+
+static void mips_mipssim_machine_init(void)
+{
+    qemu_register_machine(&mips_mipssim_machine);
+}
+
+machine_init(mips_mipssim_machine_init);