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authorSunil V L <sunilvl@ventanamicro.com>2023-06-01 10:29:09 +0530
committerAlistair Francis <alistair.francis@wdc.com>2023-06-13 17:39:45 +1000
commit13bdfb8b5487ad5f68529a53bff09e8a57482206 (patch)
treedada0b6b5625a67572bfad08683c535b48e2bbbb /hw/riscv/virt.c
parent4263e270a240cee6e17ae76a752ab2a76493a779 (diff)
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riscv/virt: Support using pflash via -blockdev option
Currently, pflash devices can be configured only via -pflash or -drive options. This is the legacy way and the better way is to use -blockdev as in other architectures. libvirt also has moved to use -blockdev method. To support -blockdev option, pflash devices need to be created in instance_init itself. So, update the code to move the virt_flash_create() to instance_init. Also, use standard interfaces to detect whether pflash0 is configured or not. Signed-off-by: Sunil V L <sunilvl@ventanamicro.com> Reported-by: Andrea Bolognani <abologna@redhat.com> Tested-by: Andrea Bolognani <abologna@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20230601045910.18646-3-sunilvl@ventanamicro.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'hw/riscv/virt.c')
-rw-r--r--hw/riscv/virt.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c
index 17fdcef..95708d8 100644
--- a/hw/riscv/virt.c
+++ b/hw/riscv/virt.c
@@ -1246,6 +1246,7 @@ static void virt_machine_done(Notifier *notifier, void *data)
const char *firmware_name = riscv_default_firmware_name(&s->soc[0]);
uint32_t fdt_load_addr;
uint64_t kernel_entry = 0;
+ BlockBackend *pflash_blk0;
/*
* Only direct boot kernel is currently supported for KVM VM,
@@ -1266,7 +1267,8 @@ static void virt_machine_done(Notifier *notifier, void *data)
firmware_end_addr = riscv_find_and_load_firmware(machine, firmware_name,
start_addr, NULL);
- if (drive_get(IF_PFLASH, 0, 0)) {
+ pflash_blk0 = pflash_cfi01_get_blk(s->flash[0]);
+ if (pflash_blk0) {
if (machine->firmware && !strcmp(machine->firmware, "none") &&
!kvm_enabled()) {
/*
@@ -1499,8 +1501,6 @@ static void virt_machine_init(MachineState *machine)
sysbus_create_simple("goldfish_rtc", memmap[VIRT_RTC].base,
qdev_get_gpio_in(mmio_irqchip, RTC_IRQ));
- virt_flash_create(s);
-
for (i = 0; i < ARRAY_SIZE(s->flash); i++) {
/* Map legacy -drive if=pflash to machine properties */
pflash_cfi01_legacy_drive(s->flash[i],
@@ -1527,6 +1527,8 @@ static void virt_machine_instance_init(Object *obj)
{
RISCVVirtState *s = RISCV_VIRT_MACHINE(obj);
+ virt_flash_create(s);
+
s->oem_id = g_strndup(ACPI_BUILD_APPNAME6, 6);
s->oem_table_id = g_strndup(ACPI_BUILD_APPNAME8, 8);
s->acpi = ON_OFF_AUTO_AUTO;