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Kernel/aarch64: Move query_firmware_version into RPi::Mailbox

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This is for the upcoming commit that merges the x86_64 and aarch64
init.cpp files.
This commit is contained in:
Timon Kruiper 2023-04-01 01:57:48 +02:00 • committed by Andrew Kaster
parent 2613ac4cb4
commit 14d20618f1
3 changed files with 30 additions and 30 deletions
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26
Kernel/Arch/aarch64/RPi/Mailbox.cpp
View file

@ -104,4 +104,30 @@ bool Mailbox::send_queue(void* queue, u32 queue_size) const
return true;
}
class QueryFirmwareVersionMboxMessage : RPi::Mailbox::Message {
public:
u32 version;
QueryFirmwareVersionMboxMessage()
: RPi::Mailbox::Message(0x0000'0001, 4)
{
version = 0;
}
};
u32 Mailbox::query_firmware_version()
{
struct __attribute__((aligned(16))) {
MessageHeader header;
QueryFirmwareVersionMboxMessage query_firmware_version;
MessageTail tail;
} message_queue;
if (!the().send_queue(&message_queue, sizeof(message_queue))) {
return 0xffff'ffff;
}
return message_queue.query_firmware_version.version;
}
}

2
Kernel/Arch/aarch64/RPi/Mailbox.h
View file

@ -49,6 +49,8 @@ public:
// Sends message queue to VideoCore
bool send_queue(void* queue, u32 queue_size) const;
u32 query_firmware_version();
};
}