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* arch: i386: include more information in IDTDanny Holman2021-10-092-11/+35
| | | | | | Include information about the current stack frame in the IDT handler(s). Signed-off-by: Danny Holman <dholman@gymli.xyz>
* arch: i386: add PIC register supportDanny Holman2021-09-281-0/+5
| | | | | | | Add functions that let the OS read the internal state registers of the 8259 PIC. Signed-off-by: Danny Holman <dholman@gymli.xyz>
* arch: i386: fix IDT exception handlerDanny Holman2021-09-282-0/+72
| | | | | | | Fix the i386's general exception handler to actually work. Fix provided by Jon Sanderson (jjs295356@gmail.com). Signed-off-by: Danny Holman <dholman@gymli.xyz>
* arch: i386: add support for 8259 PICDanny Holman2021-09-281-0/+45
Add support for the 8259 programmable interrupt controller. Signed-off-by: Danny Holman <dholman@gymli.xyz>