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merge AHCI driver #8

Manually merged

mage merged 7 commits from pci into main

2026-05-21 09:25:00 +00:00

mage commented

2026-05-21 08:58:55 +00:00

Owner

On the final stretch, just need to fix a minor allocator issue.

mage added 94 commits

2026-05-21 08:58:55 +00:00

io: add doubleword versions 2bd57317fc

buflayer: add macro to allow directly writing a non-dynamic type into buffer 62301494d8

add simple pci enumerator b82c2717cc

pci: add msi_supported 66bfbf9d97

dreams of another world 4c495a2bbd

initialize pci and halt b6c4e450b1

might as well keep these for now 45dff67b4b

pci: add pci_write_word b064f891bd

pci: more helper functions 402379dd2c

buflayer: fix dynamic type macro f7fcf96c66

ide: fool around 69ba4cb998

pci: do a second loop to initialize devices a07618090d

potentially work on generalizing the ata driver 18af3df707

vm: add cache disable 9fd512e603

io: add outw 5350bd62f1

pci refactor a5b4c39e4a

rework APIC timer + measure TSC speed 919e7f19c9

add pci_raw.h 7c554df799

acpi: add rsdt_addr 0300579874

incomplete sata driver 20029bb816

set RTC_COUNT to volatile 406d64e5c7

incomplete uACPI kernel_api 8f4dd7609b

build: add uACPI to include paths 2368c9a1b1

disk: generalize ATA code to work on multiple channels 09ed349300

build: fully integrate uACPI into deps management 7d6bfa3a3c

add idt_add_entry 61f96887cb

add sync primitives + first few bits of integration in proc 7e9b3342e0

tsc: spin for longer to get more accurate measurement 92ceefacfd

pci: make pci_write_byte publicly accessible 47b36ea27c

vm: add vm_phys_addr 9513671671

try to fix rsdt address getter e9bcee96ba

printf: add trace macros e2ef9b7d02

fix most of the uACPI integration 8fef02194c

COMPILE IN UACPI 6b5f3a6a87

add uACPI to clangd include paths a25aee45bf

uacpi_kernel_map: try to keep hhdm alive, even if it fails us 7f7e64f621

uacpi_kernel_map: return correct offseted addr if vaddr is already mapped 21d842ea69

refactor uacpi initialization code into its own file e6eb9e0d09

remove previous hack 72dc4f3ee8

fix allocator issue where tail node isn't properly sanitized (.next not set to NULL) 6aa5160707

apic: simple irq number allocator (not up to spec) 6d1ea03dbb

apic: more control over ioapic redir entries d75ce01e30

idt: simple interrupt allocator 88179bc633

llist: set node pointers to NULL when removed/inserted at head/tail aace22cbd3

utils: refactor hcf into cfile ebf64ac8ad

This fixes a compile issue with -O0

vm: add virtual page allocator based on phys_alloc 8c7a029f86

tsc: refactor wait logic into its own kernel function 9405b7b23e

idt: add legacy PIC interrupts to RESERVED_CNT c1c9401863

uacpi: add almost perfect version of interrupt detection 3f36f224e3

pci: fix some inaccurate offsets a1367c0c61

pci: add pci_dev_intpin helper 72a83f64a2

ahci: further the driver 97b472c331

fix init order f7b0c5fbc7

ahci: fix interrupt pin detection 053a6e3e29

ahci: use physical addresses for drive init as the spec says 6ec9c4449b

ahci: fix alignment issues for received_fis struct ef3b1e62e2

refactor ahci types 279729118d

ahci: refactor to do away with the magic numbrs 3a952c9587

ahci: better port reset a6c25490dc

Also perform spin-up (if it is not supported it will be ignored)
And wait for BSY to clear after reset

ahci: use physical address in for prdt 125cf6e690

send_atapi_identify: align buf to 0x1000 2b3d0d0b1a

ahci: send eoi after interrupt completed 5d85f7c375

ahci: SET THE DAMN ST BIT AGAIN 7896ec83e6

send_atapi_identify: fix cmdhdr init 0a7a5c6919

send_atapi_identify: fix strings in identify data (endian trouble) 05ba74701c

some fields seemed sketchy 5fe2ed01cb

io: document very random function e5ce0caa0c

alloc: fix a subtle buffer overread bug in kfree 2d9dcfa018

alloc: fix kalloc_align a0c5dac4aa

ata: also report status of secondary bus + fix ata driver 737e305dfb

refactor generic disk to support multiple disks 5a764b5104

vm: add vm_dealloc 5d6f899f58

rewrite buflayer to use new gendisk interface e8d233e6d8

ide: do not halt and just continue with defaults eec7f20c66

ahci: allow ahci drives to be used through gendisk 30f1c184e7

test: fix alloc_torture c41f6d13e7

apic: add function declaration for send_eoi_int b5dee65d68

tsc: make inline asm volatile cbdfe5e5ba

fix (some) compiler warnings 5ac9b2e62b

ahci: initialize gendisk with the correct sector size d18f3abd5e

phys_alloc: print an error if allocation fails 1974d58726

phys_alloc is like a ticking timebomb so this should make the inevitable
crash a bit nicer

utils: extend KASSERTM to fully use printf capabilities 6aa0981ee9

proc_init: create a user proc by default 9db7a34563

alloc: more KASSERTs d81178a65f

alloc: remove unneeded pointer cast b9693ef837

krealloc, opt: if node has more space than is needed, return c5a821e180

krealloc_ctx: call kalloc_ctx not kalloc b38e32f5bd

alloc: remove unused function a84feb8ced

add back hope stuff c24db8bae7

tsc: add assert b712b93436

proc: hackfix not being able to start child procs cdebaf0ad8

pull in changes from main 2ca78d7141

hope_ctx: show last "valid" node on detecting an invalid state 116b31b6b4

test: reenable proc-syscall testing ed910492dd

mage added 1 commit

2026-05-21 09:21:04 +00:00

sh: fix very very subtle buffer overrun f60fc49b3d

arg_arr must have argc+1 elements as we are expected to signal the array
end through a null terminator

The reallocation logic did not account for this null terminator, causing
it to corrupt an allocator node

mage changed title from ~~WIP: merge AHCI driver~~ to merge AHCI driver

2026-05-21 09:21:51 +00:00

mage referenced this pull request from a commit

2026-05-21 09:24:51 +00:00

Merge pull request 'merge AHCI driver' (#8) from pci into main

mage manually merged commit 6d999b7447 into main

2026-05-21 09:25:00 +00:00

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