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RISCY BUSINESS»Episode Guide
Studying CLINT
References ▼
SiFive forums
Question about disabling interrupts in the demo_gpio program
[1]1:28
GitHub
sifive /​ freedom-e-sdk
[2]9:11[3]18:02
SiFive Developers
E3 Coreplex Manual
[4]21:34[6]27:48
RISC-V
Draft Privileged ISA Specification v1.9.1
[5]24:51[7]31:05[11]46:29
[12]49:48[13]51:32[14]54:36
SiFive Developers
Platform Reference Manual
[8]34:00[10]38:57
YouTube
Indistinguishable From Magic: Manufacturing Modern Computer Chips
[9]38:02
SiFive Forums
Arch Linux and the HiFive1
[15]1:07:15
Twitter
RISCY BUSINESS
[16]1:10:01
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0:10A few words on the webcam position and a tease of some exciting content in the pipeline
0:10A few words on the webcam position and a tease of some exciting content in the pipeline
0:10A few words on the webcam position and a tease of some exciting content in the pipeline
1:28Recap and consult the SiFive forum reply1 regarding the clear_csr() calls in demo_gpio.c
1:28Recap and consult the SiFive forum reply1 regarding the clear_csr() calls in demo_gpio.c
1:28Recap and consult the SiFive forum reply1 regarding the clear_csr() calls in demo_gpio.c
5:10A few words on updating the Freedom E SDK to commit 3a01ac1
5:10A few words on updating the Freedom E SDK to commit 3a01ac1
5:10A few words on updating the Freedom E SDK to commit 3a01ac1
7:08Look at the Makefile for demo_gpio.c, and the updated demo_gpio.c itself
7:08Look at the Makefile for demo_gpio.c, and the updated demo_gpio.c itself
7:08Look at the Makefile for demo_gpio.c, and the updated demo_gpio.c itself
9:11Consult the commit diffs for the Freedom E SDK2
9:11Consult the commit diffs for the Freedom E SDK2
9:11Consult the commit diffs for the Freedom E SDK2
17:25Shout-out to Megan Wachs
17:25Shout-out to Megan Wachs
17:25Shout-out to Megan Wachs
18:02Continue consulting the commit diffs3
18:02Continue consulting the commit diffs3
18:02Continue consulting the commit diffs3
19:04Return to looking at reset_demo()
📖
19:04Return to looking at reset_demo()
📖
19:04Return to looking at reset_demo()
📖
21:34Read about the machine-mode software interrupts (MSIP) of the CLINT4
📖
21:34Read about the machine-mode software interrupts (MSIP) of the CLINT4
📖
21:34Read about the machine-mode software interrupts (MSIP) of the CLINT4
📖
24:51Read about the Machine Timer Registers in the Privileged ISA Specification5
📖
24:51Read about the Machine Timer Registers in the Privileged ISA Specification5
📖
24:51Read about the Machine Timer Registers in the Privileged ISA Specification5
📖
27:48Read about the Timer Registers and consult the CLINT memory map6
📖
27:48Read about the Timer Registers and consult the CLINT memory map6
📖
27:48Read about the Timer Registers and consult the CLINT memory map6
📖
31:05Read about Memory Privilege in mstatus Register7
📖
31:05Read about Memory Privilege in mstatus Register7
📖
31:05Read about Memory Privilege in mstatus Register7
📖
34:00Hunt for some documentation on the CLINT in the Platform Reference Manual, and read the Introduction8
📖
34:00Hunt for some documentation on the CLINT in the Platform Reference Manual, and read the Introduction8
📖
34:00Hunt for some documentation on the CLINT in the Platform Reference Manual, and read the Introduction8
📖
38:02Note that the E300 SoC is optimized for manufacture in a TSMC 180nm process, and again recommend "Indistinguishable From Magic: Manufacturing Modern Computer Chips"9
38:02Note that the E300 SoC is optimized for manufacture in a TSMC 180nm process, and again recommend "Indistinguishable From Magic: Manufacturing Modern Computer Chips"9
38:02Note that the E300 SoC is optimized for manufacture in a TSMC 180nm process, and again recommend "Indistinguishable From Magic: Manufacturing Modern Computer Chips"9
38:57Hunt for more documentation on the CLINT10
📖
38:57Hunt for more documentation on the CLINT10
📖
38:57Hunt for more documentation on the CLINT10
📖
46:29Read about mip and mie again11
📖
46:29Read about mip and mie again11
📖
46:29Read about mip and mie again11
📖
49:48Read about Local Interrupt Sources12
📖
49:48Read about Local Interrupt Sources12
📖
49:48Read about Local Interrupt Sources12
📖
51:32Consult the machine-mode status register table13
📖
51:32Consult the machine-mode status register table13
📖
51:32Consult the machine-mode status register table13
📖
54:36Begin to understand how demo_gpio.c is setting the machine timers in conjunction with the CLINT Memory Map14
54:36Begin to understand how demo_gpio.c is setting the machine timers in conjunction with the CLINT Memory Map14
54:36Begin to understand how demo_gpio.c is setting the machine timers in conjunction with the CLINT Memory Map14
56:58Research CLINT_MTIMECMP
📖
56:58Research CLINT_MTIMECMP
📖
56:58Research CLINT_MTIMECMP
📖
1:02:08Note that we're hardcoding that we're on hart 0
📖
1:02:08Note that we're hardcoding that we're on hart 0
📖
1:02:08Note that we're hardcoding that we're on hart 0
📖
1:03:21Review how plic_driver.c commonly computes the correct memory locations
📖
1:03:21Review how plic_driver.c commonly computes the correct memory locations
📖
1:03:21Review how plic_driver.c commonly computes the correct memory locations
📖
1:05:26A few words on code brittleness and optimisation
1:05:26A few words on code brittleness and optimisation
1:05:26A few words on code brittleness and optimisation
1:07:15Mention that the Freedom E SDK failed to compile, as also mentioned in the SiFive Forums15
1:07:15Mention that the Freedom E SDK failed to compile, as also mentioned in the SiFive Forums15
1:07:15Mention that the Freedom E SDK failed to compile, as also mentioned in the SiFive Forums15
1:08:13Shout-out to nonerkao
1:08:13Shout-out to nonerkao
1:08:13Shout-out to nonerkao
1:10:01That's everything for today, with a mention of the twitter schedule16
1:10:01That's everything for today, with a mention of the twitter schedule16
1:10:01That's everything for today, with a mention of the twitter schedule16
1:11:29Shout-out to hossein1387
1:11:29Shout-out to hossein1387
1:11:29Shout-out to hossein1387