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



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