Question

How does CPU tell between MMIO(Memory Mapped IO) and normal memory access in x86 architecture

score 45 · Answer 1 · 2024-03-29T07:46:04.863000

45

Views

How does CPU tell between MMIO(Memory Mapped IO) and normal memory access in x86 architecture

Published on 29 March 2024 at 07:46

score 32 · Answer 2 · 2024-03-05T08:57:29.590000

32

Views

Want to know the PCIe MMIO request payload unit size

Published on 05 March 2024 at 08:57

score 65 · Answer 3 · 2024-01-25T14:17:18.363000

65

Views

RISC-V softcore GPIO (memory mapped) sends the first value and fails later

Published on 25 January 2024 at 14:17

score 107 · Answer 4 · 2024-01-19T02:55:59.197000

107

Views

what is difference between readl() and *

Published on 19 January 2024 at 02:55

score 29 · Answer 5 · 2024-01-05T03:36:35.717000

29

Views

Verification of MIPS Assembly Code for Memory-Mapped I/O

Published on 05 January 2024 at 03:36

score 49 · Answer 6 · 2023-12-23T15:16:12.830000

49

Views

I can no longer modify my files! What happened?

Published on 23 December 2023 at 15:16

score 54 · Answer 7 · 2023-11-23T20:46:51.787000

54

Views

Can character devices be mapped to memory?

Published on 23 November 2023 at 20:46

score 37 · Answer 8 · 2023-09-17T00:38:50.883000

37

Views

Facing too much Insufficient Memory exception while working with memory mapped-IO files

Published on 17 September 2023 at 00:38

score 129 · Answer 9 · 2023-08-15T12:14:58.250000

129

Views

How can I access memory-mapped GPIO registers with golang on Windows?

Published on 15 August 2023 at 12:14

score 401 · Answer 10 · 2023-06-26T20:38:19.280000

401

Views

How can I map device's IO memory to userspace using `mmap()`?

Published on 26 June 2023 at 20:38

score 334 · Answer 11 · 2023-06-17T22:03:37.747000

334

Views

"busybox devmem <address>" returns 0xffffffff for all addresses on Nvidia Jetson Orin Nano, throws kernel error

Published on 17 June 2023 at 22:03

score 1k · Answer 12 · 2023-05-19T11:43:55.013000

1k

Views

How to access MMIO registers in Linux kernel with `ioremap()`?

Published on 19 May 2023 at 11:43

score 114 · Answer 13 · 2023-05-17T15:08:15.763000

114

Views

rocket chip riscv rtl spike simulation

Published on 17 May 2023 at 15:08

score 362 · Answer 14 · 2023-04-10T03:28:36.107000

362

Views

Poor MMIO performance with non-temporal loads on Intel Xeon

Published on 10 April 2023 at 03:28

score 418 · Answer 15 · 2023-01-12T13:38:58.357000

418

Views

any known issue with ioread64() / iowrite64() on a PCIe bus?

Published on 12 January 2023 at 13:38

score 118 · Answer 16 · 2022-12-17T17:11:10.903000

118

Views

TM4321GH6PM - why is GPIODATA register initializing itself and how to read and write to it properly?

Published on 17 December 2022 at 17:11

score 522 · Answer 17 · 2022-06-12T19:18:10.413000

522

Views

Better way to write a few MMIO register bits in RISC-V assembly?

Published on 12 June 2022 at 19:18

score 139 · Answer 18 · 2022-05-16T17:43:25.353000

139

Views

polling through mips doesnt work after the first time you run the program (MIPS)

Published on 16 May 2022 at 17:43

score 694 · Answer 19 · 2022-05-11T20:33:07.300000

694

Views

What is "Polling" in MIPS and how exactly do you "Poll" in Memory Mapped I/O

Published on 11 May 2022 at 20:33

score 424 · Answer 20 · 2022-04-24T10:07:29.367000

424

Views

Embedded software and device registers

Published on 24 April 2022 at 10:07

List Question

How does CPU tell between MMIO(Memory Mapped IO) and normal memory access in x86 architecture

Want to know the PCIe MMIO request payload unit size

RISC-V softcore GPIO (memory mapped) sends the first value and fails later

what is difference between readl() and *

Verification of MIPS Assembly Code for Memory-Mapped I/O

I can no longer modify my files! What happened?

Can character devices be mapped to memory?

Facing too much Insufficient Memory exception while working with memory mapped-IO files

How can I access memory-mapped GPIO registers with golang on Windows?

How can I map device's IO memory to userspace using `mmap()`?

"busybox devmem <address>" returns 0xffffffff for all addresses on Nvidia Jetson Orin Nano, throws kernel error

How to access MMIO registers in Linux kernel with `ioremap()`?

rocket chip riscv rtl spike simulation

Poor MMIO performance with non-temporal loads on Intel Xeon

any known issue with ioread64() / iowrite64() on a PCIe bus?

TM4321GH6PM - why is GPIODATA register initializing itself and how to read and write to it properly?

Better way to write a few MMIO register bits in RISC-V assembly?

polling through mips doesnt work after the first time you run the program (MIPS)

What is "Polling" in MIPS and how exactly do you "Poll" in Memory Mapped I/O

Embedded software and device registers

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