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PPC: bamboo: Move host fdt copy to target 

We have some code in generic kvm_ppc.c that is only used by 440. Move to
the 440 specific device code.

Signed-off-by: Alexander Graf <agraf@suse.de>
master
Alexander Graf 2011-07-21 02:08:10 +02:00
parent d69a8e6387
commit a489f7f711
3 changed files with 35 additions and 33 deletions
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37
hw/ppc440_bamboo.c
View File

@ -31,6 +31,38 @@
#define FDT_ADDR 0x1800000
#define RAMDISK_ADDR 0x1900000
#ifdef CONFIG_FDT
static int bamboo_copy_host_cell(void *fdt, const char *node, const char *prop)
{
uint32_t cell;
int ret;
ret = kvmppc_read_host_property(node, prop, &cell, sizeof(cell));
if (ret < 0) {
fprintf(stderr, "couldn't read host %s/%s\n", node, prop);
goto out;
}
ret = qemu_devtree_setprop_cell(fdt, node, prop, cell);
if (ret < 0) {
fprintf(stderr, "couldn't set guest %s/%s\n", node, prop);
goto out;
}
out:
return ret;
}
static void bamboo_fdt_update(void *fdt)
{
/* Copy data from the host device tree into the guest. Since the guest can
* directly access the timebase without host involvement, we must expose
* the correct frequencies. */
bamboo_copy_host_cell(fdt, "/cpus/cpu@0", "clock-frequency");
bamboo_copy_host_cell(fdt, "/cpus/cpu@0", "timebase-frequency");
}
#endif
static int bamboo_load_device_tree(target_phys_addr_t addr,
uint32_t ramsize,
target_phys_addr_t initrd_base,
@ -76,8 +108,9 @@ static int bamboo_load_device_tree(target_phys_addr_t addr,
if (ret < 0)
fprintf(stderr, "couldn't set /chosen/bootargs\n");
if (kvm_enabled())
kvmppc_fdt_update(fdt);
if (kvm_enabled()) {
bamboo_fdt_update(fdt);
}
ret = rom_add_blob_fixed(BINARY_DEVICE_TREE_FILE, fdt, fdt_size, addr);
g_free(fdt);

30
target-ppc/kvm_ppc.c
View File

@ -54,36 +54,6 @@ free:
free(path);
return ret;
}
static int kvmppc_copy_host_cell(void *fdt, const char *node, const char *prop)
{
uint32_t cell;
int ret;
ret = kvmppc_read_host_property(node, prop, &cell, sizeof(cell));
if (ret < 0) {
fprintf(stderr, "couldn't read host %s/%s\n", node, prop);
goto out;
}
ret = qemu_devtree_setprop_cell(fdt, node, prop, cell);
if (ret < 0) {
fprintf(stderr, "couldn't set guest %s/%s\n", node, prop);
goto out;
}
out:
return ret;
}
void kvmppc_fdt_update(void *fdt)
{
/* Copy data from the host device tree into the guest. Since the guest can
* directly access the timebase without host involvement, we must expose
* the correct frequencies. */
kvmppc_copy_host_cell(fdt, "/cpus/cpu@0", "clock-frequency");
kvmppc_copy_host_cell(fdt, "/cpus/cpu@0", "timebase-frequency");
}
#endif
static void kvmppc_timer_hack(void *opaque)

1
target-ppc/kvm_ppc.h
View File

@ -10,7 +10,6 @@
#define __KVM_PPC_H__
void kvmppc_init(void);
void kvmppc_fdt_update(void *fdt);
#ifndef CONFIG_KVM
static inline int kvmppc_read_host_property(const char *node_path, const char *prop,
void *val, size_t len)