josh Josh Holtrop

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https://www.jholtrop.com/

Joined on 2021-04-16

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josh commented on issue josh/hos#1 2022-11-06 23:17:47 -05:00

Turn on SSE/SIMD/FPU support

Fixed not by turning on SSE/SIMD/FPU but rather by restricting ldc2 to not emit SSE/AVX instructions for now.

josh closed issue josh/hos#1 2022-11-06 23:17:47 -05:00

Turn on SSE/SIMD/FPU support

josh pushed to d at josh/hos 2022-11-06 21:59:49 -05:00

71c30fa932 Reclaim bootloader page table pages

josh pushed to d at josh/hos 2022-11-05 22:50:01 -04:00

b3fb599b25 Move EFER initialization to initialize_cpu()

josh pushed to d at josh/hos 2022-11-05 22:47:37 -04:00

d357aada75 Map HULK regions separately

josh pushed to d at josh/hos 2022-11-05 22:26:24 -04:00

1fef8ada29 Define acpi structs as static

josh pushed to d at josh/hos 2022-11-05 22:22:14 -04:00

5231930543 Clean up ApicRegister

josh pushed to d at josh/hos 2022-11-05 22:07:41 -04:00

95b9e4558a Move hulk.writef buffer variables to stack

josh pushed to d at josh/hos 2022-11-05 22:03:30 -04:00

354555d7f1 Disable AVX and SSE instruction generation for HULK

josh pushed to d at josh/hos 2022-11-05 21:17:46 -04:00

1b69810e8f Turn on OSXSAVE

josh pushed to d at josh/hos 2022-11-05 21:12:12 -04:00

64190b04cb Add initialize_cpu()

d7b12c7896 Run qemu with maximum supported host CPU features

11f922da33 Add write_cr0()

Compare 3 commits »

josh pushed to d at josh/hos 2022-11-04 19:28:39 -04:00

59e084c234 Add cpuid1() and output bit enums

josh pushed to d at josh/hos 2022-11-04 19:01:55 -04:00

f21ee0d149 Add enums for a few CPU register bits

josh pushed to d at josh/hos 2022-11-03 23:31:58 -04:00

2a7c783bba Add write_cr4()

josh pushed to d at josh/hos 2022-11-03 22:45:40 -04:00

1f2a2bea48 Add xgetbv()/xsetbv()

josh pushed to d at josh/hos 2022-11-03 16:34:16 -04:00

8eedf4e267 Switch klog buffer to ubyte array to move it to bss section

josh opened issue josh/hos#1 2022-11-03 16:31:56 -04:00

Turn on SSE/SIMD/FPU support

josh pushed to d at josh/hos 2022-11-03 16:17:45 -04:00

ae49c29c75 Fail build if thread-local data is found

4d88810fc1 Move hulk.writef hex character strings out of data section

Compare 2 commits »

josh pushed to d at josh/hos 2022-11-03 15:43:50 -04:00

ba9cf30e67 Clean up linker script symbols

josh pushed to d at josh/hos 2022-11-03 13:54:45 -04:00

b9675019e7 Rename BOOTX64.EFI -> HOS.EFI