Question

How to allocate 500MB+ physically contiguous memory in a Linux kernel module and copy data to that memory from a userspace process?

score 39 · Answer 1 · 2024-03-24T15:13:29.440000

39

Views

How to allocate 500MB+ physically contiguous memory in a Linux kernel module and copy data to that memory from a userspace process?

Published on 24 March 2024 at 15:13

score 53 · Answer 2 · 2024-03-21T10:14:46.303000

53

Views

How to enable Swap APO in SYSVAD sample driver without enhancement tab in windows 11?

Published on 21 March 2024 at 10:14

score 37 · Answer 3 · 2024-01-28T12:35:32.627000

37

Views

Issue retrieving buffer from the device on a custom device driver in MacOS

Published on 28 January 2024 at 12:35

score 126 · Answer 4 · 2024-01-26T12:28:12.617000

126

Views

A bus error that occurs when mmap memory is used with memcpy

Published on 26 January 2024 at 12:28

score 28 · Answer 5 · 2024-01-08T06:51:32.570000

28

Views

Create Dummy CPU Performance counter register for Unit Testing of Driver

Published on 08 January 2024 at 06:51

score 69 · Answer 6 · 2023-12-07T17:06:22.650000

69

Views

I am trying to emulate a board which has a OLED display, but can't see anything. Can you tell me if there is something important I am not considering?

Published on 07 December 2023 at 17:06

score 95 · Answer 7 · 2023-11-21T19:28:49.537000

95

Views

Error code 0xC1 when trying to create a file mapping

Published on 21 November 2023 at 19:28

score 38 · Answer 8 · 2023-09-20T16:30:16.150000

38

Views

Do POSIX writes block until the DMA device has finished writing data?

Published on 20 September 2023 at 16:30

score 84 · Answer 9 · 2023-09-15T12:46:17.730000

84

Views

How does the operating system handle I/O writes, that are not a multiple of the block device's sector-size?

Published on 15 September 2023 at 12:46

score 207 · Answer 10 · 2023-08-24T18:46:06.173000

207

Views

How to wait for Callback response in C++ on Windows

Published on 24 August 2023 at 18:46

score 107 · Answer 11 · 2023-08-13T23:55:21.050000

107

Views

How do you debug a bootloader video driver on an ARM (Rockchip RK3588) computing machine?

Published on 13 August 2023 at 23:55

score 312 · Answer 12 · 2023-08-04T23:04:59.853000

312

Views

Why is the VOP (Video Output Processor) on the Rockchip RK3588 acting inaccessible?

Published on 04 August 2023 at 23:04

score 89 · Answer 13 · 2023-08-03T10:11:04.627000

89

Views

Linux TTY Operation sequence

Published on 03 August 2023 at 10:11

score 60 · Answer 14 · 2023-03-21T10:28:18.987000

60

Views

Unable to see any /sys/devices/xx interface created from kernel module loaded through k_vendor_module.rc

Published on 21 March 2023 at 10:28

score 1k · Answer 15 · 2023-03-20T17:13:13.863000

1k

Views

How to natively build Windows 11 device drivers for ARM64 on an ARM64 system?

Published on 20 March 2023 at 17:13

score 437 · Answer 16 · 2023-02-08T07:24:49.253000

437

Views

How to access device private information via device name in a Linux kernel driver?

Published on 08 February 2023 at 07:24

score 102 · Answer 17 · 2023-01-01T21:51:53.867000

102

Views

Entry point of Minix's processes

Published on 01 January 2023 at 21:51

score 443 · Answer 18 · 2022-11-24T04:09:05.097000

443

Views

The DriverKit problems to develop multiple serial USB device

Published on 24 November 2022 at 04:09

score 244 · Answer 19 · 2022-09-03T05:56:10.437000

244

Views

IPortableDeviceManager::GetDevices returning 0 Devices

Published on 03 September 2022 at 05:56

score 618 · Answer 20 · 2022-08-10T17:20:23.753000

618

Views

How do Linux Device Trees get processed

Published on 10 August 2022 at 17:20

List Question

How to allocate 500MB+ physically contiguous memory in a Linux kernel module and copy data to that memory from a userspace process?

How to enable Swap APO in SYSVAD sample driver without enhancement tab in windows 11?

Issue retrieving buffer from the device on a custom device driver in MacOS

A bus error that occurs when mmap memory is used with memcpy

Create Dummy CPU Performance counter register for Unit Testing of Driver

I am trying to emulate a board which has a OLED display, but can't see anything. Can you tell me if there is something important I am not considering?

Error code 0xC1 when trying to create a file mapping

Do POSIX writes block until the DMA device has finished writing data?

How does the operating system handle I/O writes, that are not a multiple of the block device's sector-size?

How to wait for Callback response in C++ on Windows

How do you debug a bootloader video driver on an ARM (Rockchip RK3588) computing machine?

Why is the VOP (Video Output Processor) on the Rockchip RK3588 acting inaccessible?

Linux TTY Operation sequence

Unable to see any /sys/devices/xx interface created from kernel module loaded through k_vendor_module.rc

How to natively build Windows 11 device drivers for ARM64 on an ARM64 system?

How to access device private information via device name in a Linux kernel driver?

Entry point of Minix's processes

The DriverKit problems to develop multiple serial USB device

IPortableDeviceManager::GetDevices returning 0 Devices

How do Linux Device Trees get processed

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