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92 Commits

Author SHA1 Message Date
Aiken Harris
d7552f1dce
Fix race condition in HlComPortReadLsr 
The static local variable RingFlag in HlComPortReadLsr caused shared state across multiple calls and ports, leading to race conditions and incorrect behavior.
 2025-08-06 09:01:47 +02:00
Aiken Harris
da3e039a05
Use correct address when clearing COM port buffer 
The code was reading from Port->Address to clear the RBR before the field was initialized.
 2025-07-20 14:53:04 +02:00
Rafal Kupiec
2e7793dc2b
Implement HlpGetCpuApicId() routine 2024-07-22 23:31:20 +02:00
Rafal Kupiec
2c5b680426
Implement HlpSendIpi() routine 2024-07-22 23:23:55 +02:00
Rafal Kupiec
626ece8046
HlReadApicRegister() should return and HlWriteApicRegister() should take ULONGLONG value 2024-07-16 22:36:45 +02:00
Rafal Kupiec
088940424d
Fix data types and rename some fields to avoid confusion 2024-07-16 16:28:12 +02:00
Rafal Kupiec
7abd0f3017
Revert unintentional change 2024-07-14 12:13:56 +02:00
Rafal Kupiec
f8519ec09d
Rename HlpAcpiSystemInfo global variable to HlpSystemInfo 2024-07-14 12:11:39 +02:00
Rafal Kupiec
3bda67be0a
Basic ACPI system info initialization code for traversing MADT tables 2024-07-13 21:08:58 +02:00
Rafal Kupiec
f52c50242a
Correct comment 2024-07-09 22:57:02 +02:00
Rafal Kupiec
3f10e1b59e
Fix page fault when trying to find ACPI table 2024-07-09 22:47:26 +02:00
Rafal Kupiec
47219585d4
Fix pointer operation overflow 2024-07-09 22:40:32 +02:00
Rafal Kupiec
e46f2e6116
Ensure that table header is not set before attempting to find ACPI table 2024-07-09 22:36:40 +02:00
Rafal Kupiec
906e09fd9f
Refactor COM port support, to get rid of global variables in library 2024-06-12 18:02:29 +02:00
Rafal Kupiec
2f16f4f613
Traverse Local x2APIC structures to find all processors 2024-06-07 23:05:12 +02:00
Rafal Kupiec
f36b59c961
Store processor identities in system info structure 2024-06-07 20:19:56 +02:00
Rafal Kupiec
86bc2042e5
Cleanup XTDK headers 2024-06-06 23:09:03 +02:00
Rafal Kupiec
658cb2d3c8
Get system information based on the ACPI (currently only number of CPUs) 2024-06-06 22:05:32 +02:00
Rafal Kupiec
829fc49aac
Fix ACPI cache causing some undefined behavior 2024-06-06 21:52:41 +02:00
Rafal Kupiec
92e861ebae
Cleanup APIC related headers 2024-06-06 21:50:20 +02:00
Rafal Kupiec
4212453cf5
Fix APIC initialization code 2024-06-06 16:49:08 +02:00
Rafal Kupiec
ef65bceccd
Initialize legacy PIC and mask all interrupts 2024-06-05 16:08:54 +02:00
Rafal Kupiec
b061c87fc9
Fix routines with no prototype using XTAPI calling convention compiler warnings 2024-06-04 21:41:16 +02:00
Rafal Kupiec
8a4caba26f
Fix routine with no prototype using XTAPI calling convention compiler warning 2024-06-04 21:39:10 +02:00
Rafal Kupiec
76e1fc6099
Enable hardware layer initialization code 2024-06-04 21:36:09 +02:00
Rafal Kupiec
7b29897efb
Initialize ACPI Timer 2024-06-04 21:04:09 +02:00
Rafal Kupiec
7704e5d399
Initial kernel ACPI support 2024-06-04 16:24:13 +02:00
Rafal Kupiec
94a40501d4
Mask APIC ICR0 and disable APIC interrupts for initialization time by raising APIC TPR 2024-05-24 23:39:06 +02:00
Rafal Kupiec
2103b2dafd
Make sure frame buffer is initialized before drawing 2024-05-18 16:57:38 +02:00
Rafal Kupiec
d2014a5e82
Use HlpRGBColor() internally 2024-05-17 23:29:03 +02:00
Rafal Kupiec
41bc673694
Initialize framebuffer device based on a system resource provided by boot loader 2024-05-17 22:37:42 +02:00
Rafal Kupiec
086d9ed7e2
Rename source file with fb-related stuff 2024-05-13 15:55:39 +02:00
Rafal Kupiec
78424385fc
Convert RGB colors to FrameBuffer format 2024-05-13 08:51:27 +02:00
Rafal Kupiec
e311cad8f7
Allow to clear framebuffer screen with any, custom background color 2024-05-12 22:43:06 +02:00
Rafal Kupiec
c34b6ff6c1
Take CPU number from processor block 2024-05-08 21:59:18 +02:00
Rafal Kupiec
f66e9aea9e
Store CPU number and mask interrupts in processor block 2024-05-07 16:21:38 +02:00
Rafal Kupiec
ac0b8ab36a
Allow to specify CPU number when initializing (A)PIC 2024-05-07 16:16:49 +02:00
Rafal Kupiec
40e0dd8c5e
Mask LVTERR first to prevent local APIC errors 2024-05-05 15:24:17 +02:00
Rafal Kupiec
bb44caee31
Implement HlPutCharacter() routine 2024-03-10 17:02:30 +01:00
Rafal Kupiec
cb4292dccf
Allow to use custom framebuffer fonts 2024-03-10 10:02:30 +01:00
Rafal Kupiec
a4d9e6dd8e
Optimize HlClearScreen() routine 2024-03-09 15:50:05 +01:00
Rafal Kupiec
a4c22ab5e8
Improvements to FrameBuffer support 2024-03-09 15:07:33 +01:00
Rafal Kupiec
c70d2e2afa
Routines with no prototype cannot use XTAPI calling convention 2024-02-20 16:37:57 +01:00
Rafal Kupiec
77bc796769
Implement HlClearApicErrors() and HlSendEoi() routines, change HlDisableLegacyPic() calling convention 2024-02-09 15:11:14 +01:00
Rafal Kupiec
31b8cd8d3d
Update HlDisablePic() description 2023-11-29 22:43:57 +01:00
Jozef Nagy
c8a54e602b
Disable legacy 8259 PIC before enabling APIC 
Reviewed-on: xt-sys/exectos#5
Reviewed-by: Rafal Kupiec <belliash@noreply.codingworkshop.git>
Co-authored-by: Jozef Nagy <schkwve@gmail.com>
Co-committed-by: Jozef Nagy <schkwve@gmail.com>
 2023-11-29 20:07:16 +01:00
Rafal Kupiec
9aafa63617
Move CPU and PIC support into common for i686 and amd64 place 2023-11-29 18:26:46 +01:00
Rafal Kupiec
f6c621c2a6
Basic processor initialization code 2023-11-28 22:31:39 +01:00
Rafal Kupiec
d4ee87fd62
Fix function prototype 2023-11-28 15:39:32 +01:00
Rafal Kupiec
d17b06a180
Register interrupt handlers once the APIC initialization is done 2023-11-28 14:20:23 +01:00