Re: [PATCH 2/3] arm: qemu: Enable PRE_CONSOLE_BUFFER

On Wed, Aug 9, 2023 at 3:19 AM Alper Nebi Yasak alpernebiyasak@gmail.com wrote:

Commit 608b80b5b855 ("riscv: qemu: Enable PRE_CONSOLE_BUFFER") enables buffering console messages for QEMU RISC-V virtual machines so those printed before the video console is available will still show up on the display. Similarly, enable it for ARM virtual machines as well.

Signed-off-by: Alper Nebi Yasak alpernebiyasak@gmail.com

Not sure about the address, here are select values from bdinfo and env:

DRAM bank   = 0x0000000000000000
-> start    = 0x0000000040000000
-> size     = 0x0000000008000000
relocaddr   = 0x00000000476d6000
fdt_blob    = 0x0000000046595d90
lmb_dump_all:
 memory.cnt = 0x1 / max = 0x10
 memory[0]      [0x40000000-0x47ffffff], 0x08000000 bytes flags: 0
 reserved.cnt = 0x2 / max = 0x10
 reserved[0]    [0x45591000-0x47ffffff], 0x02a6f000 bytes flags: 0
 reserved[1]    [0x46591760-0x47ffffff], 0x01a6e8a0 bytes flags: 0
TLB addr    = 0x0000000047fe0000
irq_sp      = 0x0000000046595d80
sp start    = 0x0000000046595d80

fdt_addr        = 0x40000000
scriptaddr      = 0x40200000
loadaddr        = 0x40200000
pxefile_addr_r  = 0x40300000
kernel_addr_r   = 0x40400000
ramdisk_addr_r  = 0x44000000
fdtcontroladdr  =   465e5ea0

arch/arm/Kconfig | 1 + board/emulation/qemu-arm/Kconfig | 4 ++++ 2 files changed, 5 insertions(+)

Reviewed-by: Bin Meng bmeng@tinylab.org