forked from Bananymous/banan-os
Kernel: Make ATABus use BAN::Atomic<> instead of gcc builtin atomics
This commit is contained in:
parent
ffe73165f9
commit
77b5e6d44a
|
@ -53,7 +53,7 @@ namespace Kernel
|
|||
const uint16_t m_ctrl;
|
||||
Mutex m_mutex;
|
||||
|
||||
volatile bool m_has_got_irq { false };
|
||||
BAN::Atomic<bool> m_has_got_irq { false };
|
||||
|
||||
// Non-owning pointers
|
||||
BAN::Vector<ATADevice*> m_devices;
|
||||
|
|
|
@ -149,13 +149,17 @@ namespace Kernel
|
|||
ASSERT(!m_has_got_irq);
|
||||
if (io_read(ATA_PORT_STATUS) & ATA_STATUS_ERR)
|
||||
dprintln("ATA Error: {}", error());
|
||||
m_has_got_irq = true;
|
||||
m_has_got_irq.store(true);
|
||||
}
|
||||
|
||||
void ATABus::block_until_irq()
|
||||
{
|
||||
while (!__sync_bool_compare_and_swap(&m_has_got_irq, true, false))
|
||||
__builtin_ia32_pause();
|
||||
bool expected { true };
|
||||
while (!m_has_got_irq.compare_exchange(expected, false))
|
||||
{
|
||||
Processor::pause();
|
||||
expected = true;
|
||||
}
|
||||
}
|
||||
|
||||
uint8_t ATABus::io_read(uint16_t port)
|
||||
|
|
Loading…
Reference in New Issue