Re: [RESEND PATCH v4 00/17] Add boot LoongArch elf kernel with FDT

[gaosong <gaosong@loongson.cn>]

Ping !

在 2024/1/18 下午7:31, Song Gao 写道:
> Hi, All
>
> We already support boot efi kernel with bios, but not support boot elf kernel.
> This series adds boot elf kernel with FDT.
>
> 'LoongArch supports ACPI and FDT. The information that needs to be passed
>   to the kernel includes the memmap, the initrd, the command line, optionally
>   the ACPI/FDT tables, and so on'  see [1].
>
> Patch 2-8 : Create efi system table, and three efi configuration table
>              boot_memmap, initd, FDT.
> Patch 9-17 : Fixes FDT problems.
>
> Test:
>    - Start kernel
>      See [2] start_kernel.sh
>    - Start qcow2
>      See [2] start_qcow2.sh
>
> V4:
>    - patch 3 change slave_boot_code[] to const, and 'static void *p ' to
>      'void *p';
>    - patch 4 fixes build error;
>    - patch 10-13, add project and commit link.
>
> V3:
>    - Load initrd at  kernel_high + 4 * kernel_size;
>    - Load 'boot_rom' at [0 - 1M], the 'boot_rom' includes
>      slave_boot_code, cmdline_buf and systab_tables;
>    - R-b and rebase.
>
> V2:
>    - FDT pcie node adds cells 'msi-map';
>
>
> [1]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/arch/loongarch/booting.rst?h=v6.7-rc4
>
> [2]: https://github.com/gaosong-loongson/loongarch-binary/releases
>
> Please review!
>
> Thanks.
> Song Gao
>
> Song Gao (17):
>    hw/loongarch: Move boot fucntions to boot.c
>    hw/loongarch: Add load initrd
>    hw/loongarch: Add slave cpu boot_code
>    hw/loongarch: Add init_cmdline
>    hw/loongarch: Init efi_system_table
>    hw/loongarch: Init efi_boot_memmap table
>    hw/loongarch: Init efi_initrd table
>    hw/loongarch: Init efi_fdt table
>    hw/loongarch: Fix fdt memory node wrong 'reg'
>    hw/loongarch: fdt adds cpu interrupt controller node
>    hw/loongarch: fdt adds Extend I/O Interrupt Controller
>    hw/loongarch: fdt adds pch_pic Controller
>    hw/loongarch: fdt adds pch_msi Controller
>    hw/loongarch: fdt adds pcie irq_map node
>    hw/loongarch: fdt remove unused irqchip node
>    hw/loongarch: Add cells missing from uart node
>    hw/loongarch: Add cells missing from rtc node
>
>   include/hw/intc/loongarch_extioi.h |   1 +
>   include/hw/loongarch/boot.h        | 109 +++++++++
>   include/hw/loongarch/virt.h        |  14 ++
>   include/hw/pci-host/ls7a.h         |   2 +
>   target/loongarch/cpu.h             |   2 +
>   hw/loongarch/boot.c                | 330 ++++++++++++++++++++++++++
>   hw/loongarch/virt.c                | 364 ++++++++++++++++-------------
>   hw/loongarch/meson.build           |   1 +
>   8 files changed, 661 insertions(+), 162 deletions(-)
>   create mode 100644 include/hw/loongarch/boot.h
>   create mode 100644 hw/loongarch/boot.c
>