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Re: [PATCH 11/15] rx: move BIOS load from MCU to board
From: |
Paolo Bonzini |
Subject: |
Re: [PATCH 11/15] rx: move BIOS load from MCU to board |
Date: |
Mon, 26 Oct 2020 18:34:27 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.3.1 |
On 26/10/20 18:24, Alex Bennée wrote:
>
> Paolo Bonzini <pbonzini@redhat.com> writes:
>
>> The ROM loader state is global and not part of the MCU, and the
>> BIOS is in machine->firmware. So just like the kernel case,
>> load it in the board.
>>
>> Cc: Philippe Mathieu-Daudé <philmd@redhat.com>
>> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
>> ---
>> hw/rx/rx-gdbsim.c | 7 +++++++
>> hw/rx/rx62n.c | 9 ---------
>> 2 files changed, 7 insertions(+), 9 deletions(-)
>>
>> diff --git a/hw/rx/rx-gdbsim.c b/hw/rx/rx-gdbsim.c
>> index 417ec0564b..040006c1c5 100644
>> --- a/hw/rx/rx-gdbsim.c
>> +++ b/hw/rx/rx-gdbsim.c
>> @@ -142,6 +142,13 @@ static void rx_gdbsim_init(MachineState *machine)
>> /* Set dtb address to R1 */
>> RX_CPU(first_cpu)->env.regs[1] = SDRAM_BASE + dtb_offset;
>> }
>> + } else {
>> + if (machine->firmware) {
>> + rom_add_file_fixed(machine->firmware, RX62N_CFLASH_BASE, 0);
>> + } else if (!qtest_enabled()) {
>> + error_report("No bios or kernel specified");
>> + exit(1);
>> + }
>> }
>> }
>>
>> diff --git a/hw/rx/rx62n.c b/hw/rx/rx62n.c
>> index 6eb4eea700..17ec73fc7b 100644
>> --- a/hw/rx/rx62n.c
>> +++ b/hw/rx/rx62n.c
>> @@ -245,15 +245,6 @@ static void rx62n_realize(DeviceState *dev, Error
>> **errp)
>> rxc->rom_flash_size, &error_abort);
>> memory_region_add_subregion(s->sysmem, RX62N_CFLASH_BASE, &s->c_flash);
>>
>> - if (!s->kernel) {
>> - if (bios_name) {
>> - rom_add_file_fixed(bios_name, RX62N_CFLASH_BASE, 0);
>> - } else if (!qtest_enabled()) {
>> - error_report("No bios or kernel specified");
>> - exit(1);
>> - }
>> - }
>> -
>
> I'm confused because on the face of it these are two different models.
> I'll defer to the domain expert on this one.
rx62n is the SoC, rx-gdbsim.c instead includes the rx62n7 and rx62n8
machines.
Paolo