* [Buildroot] [PATCH 1/3] configs/qemu: Add a ppc64le-powernv8 configuration
@ 2022-01-10 20:58 Cédric Le Goater
2022-01-10 20:58 ` [Buildroot] [PATCH 2/3] configs/qemu: Add a ppc-bamboo configuration Cédric Le Goater
2022-01-10 20:58 ` [Buildroot] [PATCH 3/3] package/qemu: Add support for PPC970 processors Cédric Le Goater
0 siblings, 2 replies; 4+ messages in thread
From: Cédric Le Goater @ 2022-01-10 20:58 UTC (permalink / raw)
To: buildroot; +Cc: Gerome Burlats, Romain Naour, Cédric Le Goater
PowerNV is the platform using the OPAL [1] firmware on OpenPOWER
systems. OPAL first loads a kernel and an initramfs image based on
buildroot including a second boot loader petitboot [2]. The latter
does device discovery and kexecs a new Linux image from disk or
network.
QEMU implements PowerNV machines [3] for the POWER8, POWER9 and
Power10 processors which are used for dev and tests. POWER8 images
being compatible with POWER9 and Power10, simply add a single
qemu_ppc64le_powernv8 board for all.
The QEMU script boots directly from a nvme disk because it is simple
enough but a real system would boot from a ramfs first.
[1] https://github.com/open-power/skiboot/blob/master/doc/overview.rst
[2] https://github.com/open-power/petitboot/
[3] https://qemu.readthedocs.io/en/latest/system/ppc/powernv.html
Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
board/qemu/ppc64le-powernv8/readme.txt | 5 +++++
configs/qemu_ppc64le_powernv8_defconfig | 29 +++++++++++++++++++++++++
2 files changed, 34 insertions(+)
create mode 100644 board/qemu/ppc64le-powernv8/readme.txt
create mode 100644 configs/qemu_ppc64le_powernv8_defconfig
diff --git a/board/qemu/ppc64le-powernv8/readme.txt b/board/qemu/ppc64le-powernv8/readme.txt
new file mode 100644
index 000000000000..059f55fbc917
--- /dev/null
+++ b/board/qemu/ppc64le-powernv8/readme.txt
@@ -0,0 +1,5 @@
+Run the emulation with:
+
+qemu-system-ppc64 -M powernv9 -kernel vmlinux -append "console=hvc0 rootwait root=/dev/nvme0n1" -device nvme,bus=pcie.3,addr=0x0,drive=drive0,serial=1234 -drive file=./rootfs.ext2,if=none,id=drive0,format=raw,cache=none -device e1000e,netdev=net0,mac=C0:FF:EE:00:01:03,bus=pcie.1,addr=0x0 -netdev user,id=net0 -serial mon:stdio -nographic # qemu_ppc64le_powernv8_defconfig
+
+The login prompt will appear in the terminal window.
diff --git a/configs/qemu_ppc64le_powernv8_defconfig b/configs/qemu_ppc64le_powernv8_defconfig
new file mode 100644
index 000000000000..d8ea6655fce0
--- /dev/null
+++ b/configs/qemu_ppc64le_powernv8_defconfig
@@ -0,0 +1,29 @@
+# Architecture
+BR2_powerpc64le=y
+BR2_powerpc_power8=y
+
+# System
+BR2_TARGET_GENERIC_GETTY_PORT="hvc0"
+BR2_SYSTEM_DHCP="eth0"
+
+# Filesystem
+BR2_TARGET_ROOTFS_EXT2=y
+# BR2_TARGET_ROOTFS_TAR is not set
+
+# Image
+BR2_ROOTFS_POST_IMAGE_SCRIPT="board/qemu/post-image.sh"
+BR2_ROOTFS_POST_SCRIPT_ARGS="$(BR2_DEFCONFIG)"
+
+# Linux headers same as kernel
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_15=y
+
+# Kernel
+BR2_LINUX_KERNEL=y
+BR2_LINUX_KERNEL_CUSTOM_VERSION=y
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.15"
+BR2_LINUX_KERNEL_DEFCONFIG="powernv"
+BR2_LINUX_KERNEL_VMLINUX=y
+
+# host-qemu for gitlab testing
+BR2_PACKAGE_HOST_QEMU=y
+BR2_PACKAGE_HOST_QEMU_SYSTEM_MODE=y
--
2.31.1
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^ permalink raw reply related [flat|nested] 4+ messages in thread
* [Buildroot] [PATCH 2/3] configs/qemu: Add a ppc-bamboo configuration
2022-01-10 20:58 [Buildroot] [PATCH 1/3] configs/qemu: Add a ppc64le-powernv8 configuration Cédric Le Goater
@ 2022-01-10 20:58 ` Cédric Le Goater
2022-01-10 20:58 ` [Buildroot] [PATCH 3/3] package/qemu: Add support for PPC970 processors Cédric Le Goater
1 sibling, 0 replies; 4+ messages in thread
From: Cédric Le Goater @ 2022-01-10 20:58 UTC (permalink / raw)
To: buildroot; +Cc: Gerome Burlats, Romain Naour, Cédric Le Goater
The Bamboo board is an evaluation board for PowerPC 440EP CPUs.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
board/qemu/ppc-bamboo/linux.fragment | 6 +++++
board/qemu/ppc-bamboo/readme.txt | 5 ++++
configs/qemu_ppc_bamboo_defconfig | 36 ++++++++++++++++++++++++++++
3 files changed, 47 insertions(+)
create mode 100644 board/qemu/ppc-bamboo/linux.fragment
create mode 100644 board/qemu/ppc-bamboo/readme.txt
create mode 100644 configs/qemu_ppc_bamboo_defconfig
diff --git a/board/qemu/ppc-bamboo/linux.fragment b/board/qemu/ppc-bamboo/linux.fragment
new file mode 100644
index 000000000000..cc272d0541f0
--- /dev/null
+++ b/board/qemu/ppc-bamboo/linux.fragment
@@ -0,0 +1,6 @@
+# Enable virtio (blk, rng and net devices)
+CONFIG_VIRTIO=y
+CONFIG_VIRTIO_PCI=y
+CONFIG_HW_RANDOM_VIRTIO=y
+CONFIG_VIRTIO_BLK=y
+CONFIG_VIRTIO_NET=y
diff --git a/board/qemu/ppc-bamboo/readme.txt b/board/qemu/ppc-bamboo/readme.txt
new file mode 100644
index 000000000000..0b70d2fa5443
--- /dev/null
+++ b/board/qemu/ppc-bamboo/readme.txt
@@ -0,0 +1,5 @@
+Run the emulation with:
+
+qemu-system-ppc -nographic -M bamboo -kernel vmlinux -net nic,model=virtio-net-pci -net user # qemu_ppc_bamboo_defconfig
+
+The login prompt will appear in the terminal that started Qemu.
diff --git a/configs/qemu_ppc_bamboo_defconfig b/configs/qemu_ppc_bamboo_defconfig
new file mode 100644
index 000000000000..d6abbeb45296
--- /dev/null
+++ b/configs/qemu_ppc_bamboo_defconfig
@@ -0,0 +1,36 @@
+# Architecture
+BR2_powerpc=y
+BR2_powerpc_440fp=y
+
+# System
+BR2_SYSTEM_DHCP="eth0"
+
+# Filesystem
+# BR2_TARGET_ROOTFS_TAR is not set
+BR2_TARGET_ROOTFS_INITRAMFS=y
+
+# Image
+BR2_ROOTFS_POST_IMAGE_SCRIPT="board/qemu/post-image.sh"
+BR2_ROOTFS_POST_SCRIPT_ARGS="$(BR2_DEFCONFIG)"
+
+# Linux headers same as kernel
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_15=y
+
+# Kernel
+BR2_LINUX_KERNEL=y
+BR2_LINUX_KERNEL_CUSTOM_VERSION=y
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.15"
+BR2_LINUX_KERNEL_DEFCONFIG="44x/bamboo"
+BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="board/qemu/ppc-bamboo/linux.fragment"
+BR2_LINUX_KERNEL_VMLINUX=y
+
+# Serial port config
+BR2_TARGET_GENERIC_GETTY=y
+BR2_TARGET_GENERIC_GETTY_PORT="ttyS0"
+
+# Kernel needs mkimage
+BR2_PACKAGE_HOST_UBOOT_TOOLS=y
+
+# host-qemu for gitlab testing
+BR2_PACKAGE_HOST_QEMU=y
+BR2_PACKAGE_HOST_QEMU_SYSTEM_MODE=y
--
2.31.1
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^ permalink raw reply related [flat|nested] 4+ messages in thread
* [Buildroot] [PATCH 3/3] package/qemu: Add support for PPC970 processors
2022-01-10 20:58 [Buildroot] [PATCH 1/3] configs/qemu: Add a ppc64le-powernv8 configuration Cédric Le Goater
2022-01-10 20:58 ` [Buildroot] [PATCH 2/3] configs/qemu: Add a ppc-bamboo configuration Cédric Le Goater
@ 2022-01-10 20:58 ` Cédric Le Goater
1 sibling, 0 replies; 4+ messages in thread
From: Cédric Le Goater @ 2022-01-10 20:58 UTC (permalink / raw)
To: buildroot; +Cc: Gerome Burlats, Romain Naour, Cédric Le Goater
PPC970 processors are well supported by the QEMU pseries and macbook
machines. The latest debian 11 (big endian) runs with SMP. Re-add
support.
Fixes: efc67deef38c ("qemu: remove support for some PowerPC processors in host qemu")
Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
package/qemu/Config.in.host | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/package/qemu/Config.in.host b/package/qemu/Config.in.host
index df5d92112582..f9cdb9b70371 100644
--- a/package/qemu/Config.in.host
+++ b/package/qemu/Config.in.host
@@ -22,7 +22,7 @@ config BR2_PACKAGE_HOST_QEMU_ARCH_SUPPORTS
default y if BR2_xtensa
default y if BR2_x86_64
depends on !BR2_x86_steamroller && !BR2_x86_core_avx2
- depends on !BR2_powerpc_620 && !BR2_powerpc_630 && !BR2_powerpc_970
+ depends on !BR2_powerpc_620 && !BR2_powerpc_630
config BR2_PACKAGE_HOST_QEMU_SYSTEM_ARCH_SUPPORTS
bool
--
2.31.1
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^ permalink raw reply related [flat|nested] 4+ messages in thread
* [Buildroot] [PATCH 1/3] configs/qemu: Add a ppc64le-powernv8 configuration
@ 2022-01-10 21:02 Cédric Le Goater
2022-01-10 21:02 ` [Buildroot] [PATCH 2/3] configs/qemu: Add a ppc-bamboo configuration Cédric Le Goater
0 siblings, 1 reply; 4+ messages in thread
From: Cédric Le Goater @ 2022-01-10 21:02 UTC (permalink / raw)
To: buildroot; +Cc: Gerome Burlats, Romain Naour, Cédric Le Goater
PowerNV is the platform using the OPAL [1] firmware on OpenPOWER
systems. OPAL first loads a kernel and an initramfs image based on
buildroot including a second boot loader petitboot [2]. The latter
does device discovery and kexecs a new Linux image from disk or
network.
QEMU implements PowerNV machines [3] for the POWER8, POWER9 and
Power10 processors which are used for dev and tests. POWER8 images
being compatible with POWER9 and Power10, simply add a single
qemu_ppc64le_powernv8 board for all.
The QEMU script boots directly from a nvme disk because it is simple
enough but a real system would boot from a ramfs first.
[1] https://github.com/open-power/skiboot/blob/master/doc/overview.rst
[2] https://github.com/open-power/petitboot/
[3] https://qemu.readthedocs.io/en/latest/system/ppc/powernv.html
Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
board/qemu/ppc64le-powernv8/readme.txt | 5 +++++
configs/qemu_ppc64le_powernv8_defconfig | 29 +++++++++++++++++++++++++
2 files changed, 34 insertions(+)
create mode 100644 board/qemu/ppc64le-powernv8/readme.txt
create mode 100644 configs/qemu_ppc64le_powernv8_defconfig
diff --git a/board/qemu/ppc64le-powernv8/readme.txt b/board/qemu/ppc64le-powernv8/readme.txt
new file mode 100644
index 000000000000..059f55fbc917
--- /dev/null
+++ b/board/qemu/ppc64le-powernv8/readme.txt
@@ -0,0 +1,5 @@
+Run the emulation with:
+
+qemu-system-ppc64 -M powernv9 -kernel vmlinux -append "console=hvc0 rootwait root=/dev/nvme0n1" -device nvme,bus=pcie.3,addr=0x0,drive=drive0,serial=1234 -drive file=./rootfs.ext2,if=none,id=drive0,format=raw,cache=none -device e1000e,netdev=net0,mac=C0:FF:EE:00:01:03,bus=pcie.1,addr=0x0 -netdev user,id=net0 -serial mon:stdio -nographic # qemu_ppc64le_powernv8_defconfig
+
+The login prompt will appear in the terminal window.
diff --git a/configs/qemu_ppc64le_powernv8_defconfig b/configs/qemu_ppc64le_powernv8_defconfig
new file mode 100644
index 000000000000..d8ea6655fce0
--- /dev/null
+++ b/configs/qemu_ppc64le_powernv8_defconfig
@@ -0,0 +1,29 @@
+# Architecture
+BR2_powerpc64le=y
+BR2_powerpc_power8=y
+
+# System
+BR2_TARGET_GENERIC_GETTY_PORT="hvc0"
+BR2_SYSTEM_DHCP="eth0"
+
+# Filesystem
+BR2_TARGET_ROOTFS_EXT2=y
+# BR2_TARGET_ROOTFS_TAR is not set
+
+# Image
+BR2_ROOTFS_POST_IMAGE_SCRIPT="board/qemu/post-image.sh"
+BR2_ROOTFS_POST_SCRIPT_ARGS="$(BR2_DEFCONFIG)"
+
+# Linux headers same as kernel
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_15=y
+
+# Kernel
+BR2_LINUX_KERNEL=y
+BR2_LINUX_KERNEL_CUSTOM_VERSION=y
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.15"
+BR2_LINUX_KERNEL_DEFCONFIG="powernv"
+BR2_LINUX_KERNEL_VMLINUX=y
+
+# host-qemu for gitlab testing
+BR2_PACKAGE_HOST_QEMU=y
+BR2_PACKAGE_HOST_QEMU_SYSTEM_MODE=y
--
2.31.1
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^ permalink raw reply related [flat|nested] 4+ messages in thread
* [Buildroot] [PATCH 2/3] configs/qemu: Add a ppc-bamboo configuration
2022-01-10 21:02 [Buildroot] [PATCH 1/3] configs/qemu: Add a ppc64le-powernv8 configuration Cédric Le Goater
@ 2022-01-10 21:02 ` Cédric Le Goater
0 siblings, 0 replies; 4+ messages in thread
From: Cédric Le Goater @ 2022-01-10 21:02 UTC (permalink / raw)
To: buildroot; +Cc: Gerome Burlats, Romain Naour, Cédric Le Goater
The Bamboo board is an evaluation board for PowerPC 440EP CPUs.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
board/qemu/ppc-bamboo/linux.fragment | 6 +++++
board/qemu/ppc-bamboo/readme.txt | 5 ++++
configs/qemu_ppc_bamboo_defconfig | 36 ++++++++++++++++++++++++++++
3 files changed, 47 insertions(+)
create mode 100644 board/qemu/ppc-bamboo/linux.fragment
create mode 100644 board/qemu/ppc-bamboo/readme.txt
create mode 100644 configs/qemu_ppc_bamboo_defconfig
diff --git a/board/qemu/ppc-bamboo/linux.fragment b/board/qemu/ppc-bamboo/linux.fragment
new file mode 100644
index 000000000000..cc272d0541f0
--- /dev/null
+++ b/board/qemu/ppc-bamboo/linux.fragment
@@ -0,0 +1,6 @@
+# Enable virtio (blk, rng and net devices)
+CONFIG_VIRTIO=y
+CONFIG_VIRTIO_PCI=y
+CONFIG_HW_RANDOM_VIRTIO=y
+CONFIG_VIRTIO_BLK=y
+CONFIG_VIRTIO_NET=y
diff --git a/board/qemu/ppc-bamboo/readme.txt b/board/qemu/ppc-bamboo/readme.txt
new file mode 100644
index 000000000000..0b70d2fa5443
--- /dev/null
+++ b/board/qemu/ppc-bamboo/readme.txt
@@ -0,0 +1,5 @@
+Run the emulation with:
+
+qemu-system-ppc -nographic -M bamboo -kernel vmlinux -net nic,model=virtio-net-pci -net user # qemu_ppc_bamboo_defconfig
+
+The login prompt will appear in the terminal that started Qemu.
diff --git a/configs/qemu_ppc_bamboo_defconfig b/configs/qemu_ppc_bamboo_defconfig
new file mode 100644
index 000000000000..d6abbeb45296
--- /dev/null
+++ b/configs/qemu_ppc_bamboo_defconfig
@@ -0,0 +1,36 @@
+# Architecture
+BR2_powerpc=y
+BR2_powerpc_440fp=y
+
+# System
+BR2_SYSTEM_DHCP="eth0"
+
+# Filesystem
+# BR2_TARGET_ROOTFS_TAR is not set
+BR2_TARGET_ROOTFS_INITRAMFS=y
+
+# Image
+BR2_ROOTFS_POST_IMAGE_SCRIPT="board/qemu/post-image.sh"
+BR2_ROOTFS_POST_SCRIPT_ARGS="$(BR2_DEFCONFIG)"
+
+# Linux headers same as kernel
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_15=y
+
+# Kernel
+BR2_LINUX_KERNEL=y
+BR2_LINUX_KERNEL_CUSTOM_VERSION=y
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.15"
+BR2_LINUX_KERNEL_DEFCONFIG="44x/bamboo"
+BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="board/qemu/ppc-bamboo/linux.fragment"
+BR2_LINUX_KERNEL_VMLINUX=y
+
+# Serial port config
+BR2_TARGET_GENERIC_GETTY=y
+BR2_TARGET_GENERIC_GETTY_PORT="ttyS0"
+
+# Kernel needs mkimage
+BR2_PACKAGE_HOST_UBOOT_TOOLS=y
+
+# host-qemu for gitlab testing
+BR2_PACKAGE_HOST_QEMU=y
+BR2_PACKAGE_HOST_QEMU_SYSTEM_MODE=y
--
2.31.1
_______________________________________________
buildroot mailing list
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^ permalink raw reply related [flat|nested] 4+ messages in thread
end of thread, other threads:[~2022-01-10 22:16 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-01-10 20:58 [Buildroot] [PATCH 1/3] configs/qemu: Add a ppc64le-powernv8 configuration Cédric Le Goater
2022-01-10 20:58 ` [Buildroot] [PATCH 2/3] configs/qemu: Add a ppc-bamboo configuration Cédric Le Goater
2022-01-10 20:58 ` [Buildroot] [PATCH 3/3] package/qemu: Add support for PPC970 processors Cédric Le Goater
2022-01-10 21:02 [Buildroot] [PATCH 1/3] configs/qemu: Add a ppc64le-powernv8 configuration Cédric Le Goater
2022-01-10 21:02 ` [Buildroot] [PATCH 2/3] configs/qemu: Add a ppc-bamboo configuration Cédric Le Goater
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