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6e481f72aa
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Now only required number of kernel pages assigned.
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2018-05-16 00:42:37 +01:00 |
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cea54a8b77
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Paging now works. Is initially bootstrapped by GRUB then later OS accessible.
Some memory maybe wasted on bootstrap page table?
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2018-05-11 22:41:52 +01:00 |
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722fd080e0
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GDT and IDT now exist in locations that aren't hard coded. Paging currently breaks interrupts.
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2018-05-11 02:07:40 +01:00 |
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908297007d
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Improved boot.s
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2018-05-06 20:25:29 +01:00 |
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5f0b2ce33e
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Removed NASM dependency.
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2018-05-06 20:23:43 +01:00 |
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e9db400e15
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Added support for GRUB multiboot header data. Disabled all GC.
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2018-05-06 19:35:13 +01:00 |
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6984bf42b2
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Started paging code.
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2018-05-02 23:03:01 +01:00 |
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d9023cbe06
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Unified initialization method names.
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2018-05-02 23:02:46 +01:00 |
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fad439c25e
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Added integer hash function. Other minor changes.
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2018-05-01 19:24:29 +01:00 |
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1e3e34d9f7
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Simplified tty and serial write functions.
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2018-04-29 04:20:47 +01:00 |
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56cd64ef93
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Disabled interrupt call to isrCommon, currently causes GPF if called from interrupt.
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2018-04-29 04:20:47 +01:00 |
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d7122f76c6
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OS build now includes version information.
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2018-04-29 04:20:47 +01:00 |
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04768924e8
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Receiving an interrupt no longer crashes, does seem to cause a general protection fault though (infinite loop time!).
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2018-04-29 04:20:47 +01:00 |
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347a5cbff3
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Changed kernel load debug print.
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2018-04-29 04:20:47 +01:00 |
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8a6d52e8d4
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Simplified GDT installation.
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2018-04-29 04:20:47 +01:00 |
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6ead11b75a
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Started implementing IDT. Currently crashes on interrupt.
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2018-04-29 04:20:47 +01:00 |
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05f6ce2544
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Removed some stl dependencies.
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2018-04-29 04:20:47 +01:00 |
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7f656559df
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Removed unused.
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2018-04-29 04:20:47 +01:00 |
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45e57c765c
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Fixed the link and passL options in kernel.nim to match change in build root directory.
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2018-04-29 04:20:47 +01:00 |
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ba5d239073
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Moved build options to more sensible locations.
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2018-04-29 04:20:47 +01:00 |
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dce59cc08a
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Fixed some GDT ints not being converted to the right length.
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2018-04-29 04:20:47 +01:00 |
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8d61080d8d
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GDT now installs correctly.
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2018-04-29 04:20:47 +01:00 |
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8eef348eca
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Implemented memcpy and memset. Allows larger local variables.
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2018-04-29 04:20:47 +01:00 |
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f279852501
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Fixed GDT creation and address retrieval.
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2018-04-29 04:20:47 +01:00 |
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8b129ea6d8
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Added int printing to serial module.
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2018-04-29 04:20:47 +01:00 |
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ffe67f93c5
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Fixed placeholder method.
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2018-04-29 04:20:47 +01:00 |
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e27ee760d6
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Moved linker options requiring files to pragmas in kernel,nim
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2018-04-29 04:20:47 +01:00 |
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86760fd9de
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Added logging via serial output.
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2018-04-29 04:20:47 +01:00 |
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a03745805b
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Remove C usage
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2018-04-29 04:20:47 +01:00 |
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edbc39cc3b
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Added GDT setup code.
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2018-04-29 04:20:47 +01:00 |
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4d896d0eb7
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Fixed printing of unsigned integers.
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2018-04-29 04:20:47 +01:00 |
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367f7ab3b7
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Added method stub for interrupt handling.
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2018-04-29 04:20:47 +01:00 |
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92b1cffde6
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Added scancodes for set one up to 0x0F.
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2018-04-29 04:20:47 +01:00 |
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e636f24995
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Starting work on a PS2 keyboard driver.
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2018-04-29 04:20:47 +01:00 |
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c98464d1c7
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Added assembly for reading/writing to IO locations.
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2018-04-29 04:20:47 +01:00 |
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e0c0d8cfa3
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Removed code duplication in terminalWriteChar.
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2018-04-29 04:20:47 +01:00 |
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af091674a6
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Reduced number of calculations performed in terminalScroll.
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2018-04-29 04:20:47 +01:00 |
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47f18157b3
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Made VGA memory bounds setting more obvious as to why it has its value.
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2018-04-29 04:20:47 +01:00 |
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5982c72a8a
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Decrease VGA memory array size by one. Correction of an off by one error to ensure we stay within the appropriate memory.
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2018-04-29 04:20:47 +01:00 |
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65a4b94be1
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Scrolling now works. Simplified access to VGA memory.
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2018-04-29 04:20:47 +01:00 |
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0da0bc40dd
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Gave panicoverride a C implementation for now.
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2018-04-29 04:20:47 +01:00 |
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7f426b5f25
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Fixed integer printing for negative numbers.
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2018-04-29 04:20:47 +01:00 |
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e871378f8f
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Added printing of ints to the screen.
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2018-04-29 04:20:47 +01:00 |
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77e4e91b73
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Moved from a flat directory structure to a more sane one.
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2017-10-21 19:23:17 +01:00 |
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