Signed-off-by: Alexey Kardashevskiy <address@hidden>
---
include/hw/ppc/spapr.h | 1 +
hw/ppc/spapr.c | 33 +++++++++++++++++++++++++++------
2 files changed, 28 insertions(+), 6 deletions(-)
diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index 74e427b588fc..ff82bb8554e1 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -159,6 +159,7 @@ struct SpaprMachineState {
void *fdt_blob;
long kernel_size;
bool kernel_le;
+ uint64_t kernel_addr;
uint32_t initrd_base;
long initrd_size;
uint64_t rtc_offset; /* Now used only during incoming migration */
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 7fad42350538..6d13d65d8996 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1179,7 +1179,7 @@ static void spapr_dt_chosen(SpaprMachineState *spapr,
void *fdt)
spapr->initrd_base + spapr->initrd_size));
if (spapr->kernel_size) {
- uint64_t kprop[2] = { cpu_to_be64(KERNEL_LOAD_ADDR),
+ uint64_t kprop[2] = { cpu_to_be64(spapr->kernel_addr),
cpu_to_be64(spapr->kernel_size) };
_FDT(fdt_setprop(fdt, chosen, "qemu,boot-kernel",
@@ -1365,7 +1365,7 @@ static void *spapr_build_fdt(SpaprMachineState *spapr)
/* Build memory reserve map */
if (spapr->kernel_size) {
- _FDT((fdt_add_mem_rsv(fdt, KERNEL_LOAD_ADDR, spapr->kernel_size)));
+ _FDT((fdt_add_mem_rsv(fdt, spapr->kernel_addr, spapr->kernel_size)));
}
if (spapr->initrd_size) {
_FDT((fdt_add_mem_rsv(fdt, spapr->initrd_base, spapr->initrd_size)));
@@ -1391,7 +1391,8 @@ static void *spapr_build_fdt(SpaprMachineState *spapr)
static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
{
- return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
+ SpaprMachineState *spapr = opaque;
+ return (addr & 0x0fffffff) + spapr->kernel_addr;
}
static void emulate_spapr_hypercall(PPCVirtualHypervisor *vhyp,
@@ -2995,12 +2996,12 @@ static void spapr_machine_init(MachineState *machine)
uint64_t lowaddr = 0;
spapr->kernel_size = load_elf(kernel_filename, NULL,
- translate_kernel_address, NULL,
+ translate_kernel_address, spapr,
NULL, &lowaddr, NULL, 1,
PPC_ELF_MACHINE, 0, 0);
if (spapr->kernel_size == ELF_LOAD_WRONG_ENDIAN) {
spapr->kernel_size = load_elf(kernel_filename, NULL,
- translate_kernel_address, NULL, NULL,
+ translate_kernel_address, spapr,
NULL,
&lowaddr, NULL, 0, PPC_ELF_MACHINE,
0, 0);
spapr->kernel_le = spapr->kernel_size > 0;
@@ -3016,7 +3017,7 @@ static void spapr_machine_init(MachineState *machine)
/* Try to locate the initrd in the gap between the kernel
* and the firmware. Add a bit of space just in case
*/
- spapr->initrd_base = (KERNEL_LOAD_ADDR + spapr->kernel_size
+ spapr->initrd_base = (spapr->kernel_addr + spapr->kernel_size
+ 0x1ffff) & ~0xffff;
spapr->initrd_size = load_image_targphys(initrd_filename,
spapr->initrd_base,
@@ -3253,6 +3254,18 @@ static void spapr_set_vsmt(Object *obj, Visitor *v,
const char *name,
visit_type_uint32(v, name, (uint32_t *)opaque, errp);
}
+static void spapr_get_kernel_addr(Object *obj, Visitor *v, const char *name,
+ void *opaque, Error **errp)
+{
+ visit_type_uint64(v, name, (uint64_t *)opaque, errp);
+}
+
+static void spapr_set_kernel_addr(Object *obj, Visitor *v, const char *name,
+ void *opaque, Error **errp)
+{
+ visit_type_uint64(v, name, (uint64_t *)opaque, errp);
+}
+
static char *spapr_get_ic_mode(Object *obj, Error **errp)
{
SpaprMachineState *spapr = SPAPR_MACHINE(obj);
@@ -3358,6 +3371,14 @@ static void spapr_instance_init(Object *obj)
object_property_add_bool(obj, "vfio-no-msix-emulation",
spapr_get_msix_emulation, NULL, NULL);
+ object_property_add(obj, "kernel-addr", "uint64", spapr_get_kernel_addr,
+ spapr_set_kernel_addr, NULL, &spapr->kernel_addr,
+ &error_abort);
+ object_property_set_description(obj, "kernel-addr",
+ stringify(KERNEL_LOAD_ADDR)
+ " for -kernel is the default",
+ NULL);
+ spapr->kernel_addr = KERNEL_LOAD_ADDR;
/* The machine class defines the default interrupt controller mode */
spapr->irq = smc->irq;
object_property_add_str(obj, "ic-mode", spapr_get_ic_mode,