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-rw-r--r--hw/ppc_mac.h3
-rw-r--r--hw/ppc_newworld.c15
-rw-r--r--hw/ppc_oldworld.c15
3 files changed, 23 insertions, 10 deletions
diff --git a/hw/ppc_mac.h b/hw/ppc_mac.h
index ea8759324c..68dade7e40 100644
--- a/hw/ppc_mac.h
+++ b/hw/ppc_mac.h
@@ -35,8 +35,7 @@
#define PROM_ADDR 0xfff00000
#define KERNEL_LOAD_ADDR 0x01000000
-#define CMDLINE_ADDR 0x027ff000
-#define INITRD_LOAD_ADDR 0x02800000
+#define KERNEL_GAP 0x00100000
#define ESCC_CLOCK 3686400
diff --git a/hw/ppc_newworld.c b/hw/ppc_newworld.c
index 86f1cfbee9..5bce709bab 100644
--- a/hw/ppc_newworld.c
+++ b/hw/ppc_newworld.c
@@ -120,6 +120,11 @@ static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
}
+static target_phys_addr_t round_page(target_phys_addr_t addr)
+{
+ return (addr + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK;
+}
+
/* PowerPC Mac99 hardware initialisation */
static void ppc_core99_init (ram_addr_t ram_size,
const char *boot_device,
@@ -134,7 +139,7 @@ static void ppc_core99_init (ram_addr_t ram_size,
int unin_memory;
int linux_boot, i;
ram_addr_t ram_offset, bios_offset;
- uint32_t kernel_base, initrd_base;
+ target_phys_addr_t kernel_base, initrd_base, cmdline_base = 0;
long kernel_size, initrd_size;
PCIBus *pci_bus;
MacIONVRAMState *nvr;
@@ -220,7 +225,7 @@ static void ppc_core99_init (ram_addr_t ram_size,
}
/* load initrd */
if (initrd_filename) {
- initrd_base = INITRD_LOAD_ADDR;
+ initrd_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
initrd_size = load_image_targphys(initrd_filename, initrd_base,
ram_size - initrd_base);
if (initrd_size < 0) {
@@ -228,9 +233,11 @@ static void ppc_core99_init (ram_addr_t ram_size,
initrd_filename);
exit(1);
}
+ cmdline_base = round_page(initrd_base + initrd_size);
} else {
initrd_base = 0;
initrd_size = 0;
+ cmdline_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
}
ppc_boot_device = 'm';
} else {
@@ -373,8 +380,8 @@ static void ppc_core99_init (ram_addr_t ram_size,
fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
if (kernel_cmdline) {
- fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, CMDLINE_ADDR);
- pstrcpy_targphys("cmdline", CMDLINE_ADDR, TARGET_PAGE_SIZE, kernel_cmdline);
+ fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
+ pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
} else {
fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
}
diff --git a/hw/ppc_oldworld.c b/hw/ppc_oldworld.c
index 75a312742e..20cd8e1a8d 100644
--- a/hw/ppc_oldworld.c
+++ b/hw/ppc_oldworld.c
@@ -59,6 +59,11 @@ static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
}
+static target_phys_addr_t round_page(target_phys_addr_t addr)
+{
+ return (addr + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK;
+}
+
static void ppc_heathrow_init (ram_addr_t ram_size,
const char *boot_device,
const char *kernel_filename,
@@ -71,7 +76,7 @@ static void ppc_heathrow_init (ram_addr_t ram_size,
qemu_irq *pic, **heathrow_irqs;
int linux_boot, i;
ram_addr_t ram_offset, bios_offset;
- uint32_t kernel_base, initrd_base;
+ uint32_t kernel_base, initrd_base, cmdline_base = 0;
int32_t kernel_size, initrd_size;
PCIBus *pci_bus;
MacIONVRAMState *nvr;
@@ -157,7 +162,7 @@ static void ppc_heathrow_init (ram_addr_t ram_size,
}
/* load initrd */
if (initrd_filename) {
- initrd_base = INITRD_LOAD_ADDR;
+ initrd_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
initrd_size = load_image_targphys(initrd_filename, initrd_base,
ram_size - initrd_base);
if (initrd_size < 0) {
@@ -165,9 +170,11 @@ static void ppc_heathrow_init (ram_addr_t ram_size,
initrd_filename);
exit(1);
}
+ cmdline_base = round_page(initrd_base + initrd_size);
} else {
initrd_base = 0;
initrd_size = 0;
+ cmdline_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
}
ppc_boot_device = 'm';
} else {
@@ -278,8 +285,8 @@ static void ppc_heathrow_init (ram_addr_t ram_size,
fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
if (kernel_cmdline) {
- fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, CMDLINE_ADDR);
- pstrcpy_targphys("cmdline", CMDLINE_ADDR, TARGET_PAGE_SIZE, kernel_cmdline);
+ fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
+ pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
} else {
fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
}