eryn/polka
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Remove kernel namespace from PIC

Browse source
This commit is contained in:
Eryn Wells 2016-03-09 00:28:19 -05:00
parent 867b89f65a
commit 0238e44efc
3 changed files with 9 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

2
src/Main.cc
View file

@ -51,7 +51,7 @@ kmain()
console.writeString("IDT loaded\n");
auto pic = kernel::x86::PIC::systemPIC();
auto pic = x86::PIC::systemPIC();
pic.remap(0x20, 0x28, 2); // Map hardware IRQs to interrupt vectors 32 through 48.
console.writeString("Hardware interrupts programmed\n");

16
src/PIC.cc
View file

@ -42,7 +42,6 @@ namespace {
} PIC1 { 0x0020, 0x0021 }, PIC2 { 0x00A0, 0x00A1 };
}
namespace kernel {
namespace x86 {
/*
@ -120,8 +119,8 @@ PIC::remap(uint8_t pic1Offset,
}
// Save the current IRQ masks for each PIC
uint8_t pic1Mask = io::inb(PIC1.data);
uint8_t pic2Mask = io::inb(PIC2.data);
uint8_t pic1Mask = kernel::io::inb(PIC1.data);
uint8_t pic2Mask = kernel::io::inb(PIC2.data);
#ifdef CONFIG_PIC_SHOULD_WAIT
# define waitIfRequired() io::wait()
@ -130,7 +129,7 @@ PIC::remap(uint8_t pic1Offset,
#endif
#define sendToPIC(port, byte) \
io::outb((port), (byte)); \
kernel::io::outb((port), (byte)); \
waitIfRequired()
sendToPIC(PIC1.command, ICW1::Initialize + ICW1::ICW4Required);
@ -147,8 +146,8 @@ PIC::remap(uint8_t pic1Offset,
#undef waitIfRequired
// Restore the saved masks
io::outb(PIC2.data, pic1Mask);
io::outb(PIC2.data, pic2Mask);
kernel::io::outb(PIC2.data, pic1Mask);
kernel::io::outb(PIC2.data, pic2Mask);
}
void
@ -160,10 +159,9 @@ PIC::endOfInterrupt(uint8_t irq)
* notified. Otherwise, only PIC1 needs to be notified.
*/
if (irq >= 8) {
io::outb(PIC2.command, OCW2::NOPEOI);
kernel::io::outb(PIC2.command, OCW2::NOPEOI);
}
io::outb(PIC1.command, OCW2::NOPEOI);
kernel::io::outb(PIC1.command, OCW2::NOPEOI);
}
} /* namespace x86 */
} /* namespace kernel */

2
src/PIC.hh
View file

@ -12,7 +12,6 @@
#include <stdint.h>
namespace kernel {
namespace x86 {
/**
@ -52,6 +51,5 @@ struct PIC
};
} /* namespace x86 */
} /* namespace kernel */
#endif /* __PIC_HH__ */