motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-03 15:53:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

hw/arm/boot: Propagate vCPU to arm_load_dtb()

Browse source 
In heterogeneous setup the first vCPU might not be
the one expected, better pass it explicitly.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-id: 20250130112615.3219-2-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2025-02-07 16:09:18 +00:00 • committed by Peter Maydell
parent 7623676948
commit cbb95d4968
3 changed files with 10 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

11
hw/arm/boot.c
View file

@ -432,13 +432,12 @@ out:
return ret;
}
static void fdt_add_psci_node(void *fdt)
static void fdt_add_psci_node(void *fdt, ARMCPU *armcpu)
{
uint32_t cpu_suspend_fn;
uint32_t cpu_off_fn;
uint32_t cpu_on_fn;
uint32_t migrate_fn;
ARMCPU *armcpu = ARM_CPU(qemu_get_cpu(0));
const char *psci_method;
int64_t psci_conduit;
int rc;
@ -512,7 +511,8 @@ static void fdt_add_psci_node(void *fdt)
}
int arm_load_dtb(hwaddr addr, const struct arm_boot_info *binfo,
hwaddr addr_limit, AddressSpace *as, MachineState *ms)
hwaddr addr_limit, AddressSpace *as, MachineState *ms,
ARMCPU *cpu)
{
void *fdt = NULL;
int size, rc, n = 0;
@ -655,7 +655,7 @@ int arm_load_dtb(hwaddr addr, const struct arm_boot_info *binfo,
}
}
fdt_add_psci_node(fdt);
fdt_add_psci_node(fdt, cpu);
if (binfo->modify_dtb) {
binfo->modify_dtb(binfo, fdt);
@ -1327,7 +1327,8 @@ void arm_load_kernel(ARMCPU *cpu, MachineState *ms, struct arm_boot_info *info)
* decided whether to enable PSCI and set the psci-conduit CPU properties.
*/
if (!info->skip_dtb_autoload && have_dtb(info)) {
if (arm_load_dtb(info->dtb_start, info, info->dtb_limit, as, ms) < 0) {
if (arm_load_dtb(info->dtb_start, info, info->dtb_limit,
as, ms, cpu) < 0) {
exit(1);
}
}

2
hw/arm/virt.c
View file

@ -1746,7 +1746,7 @@ void virt_machine_done(Notifier *notifier, void *data)
vms->memmap[VIRT_PLATFORM_BUS].size,
vms->irqmap[VIRT_PLATFORM_BUS]);
}
if (arm_load_dtb(info->dtb_start, info, info->dtb_limit, as, ms) < 0) {
if (arm_load_dtb(info->dtb_start, info, info->dtb_limit, as, ms, cpu) < 0) {
exit(1);
}

4
include/hw/arm/boot.h
View file

@ -160,6 +160,7 @@ AddressSpace *arm_boot_address_space(ARMCPU *cpu,
* @binfo: struct describing the boot environment
* @addr_limit: upper limit of the available memory area at @addr
* @as: address space to load image to
* @cpu: ARM CPU object
*
* Load a device tree supplied by the machine or by the user with the
* '-dtb' command line option, and put it at offset @addr in target
@ -176,7 +177,8 @@ AddressSpace *arm_boot_address_space(ARMCPU *cpu,
* Note: Must not be called unless have_dtb(binfo) is true.
*/
int arm_load_dtb(hwaddr addr, const struct arm_boot_info *binfo,
hwaddr addr_limit, AddressSpace *as, MachineState *ms);
hwaddr addr_limit, AddressSpace *as, MachineState *ms,
ARMCPU *cpu);
/* Write a secure board setup routine with a dummy handler for SMCs */
void arm_write_secure_board_setup_dummy_smc(ARMCPU *cpu,