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d5b5cc3363
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Change the order of interrupts-extended for PLIC
In the SiFive DTS they are in this order, not sure it that may cause any
difference.
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2024-07-04 16:46:35 +02:00 |
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6531fd678c
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WIP: Test M and S ext interrupt
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2024-07-03 20:41:16 +02:00 |
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0c4311e15c
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Remap interrupts to avoid 0 and duplicates
Let see if we can guess which is the correct number for the interrupts.
The plic should appear in the IRQ list but currently it doesn't.
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2024-07-03 18:41:52 +02:00 |
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a40414d08c
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Add comment about the axi timer
This timer is present and initialized in OpenSBI and seems to drive the
UART device. Not sure if we need to see it from the kernel.
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2024-07-03 15:30:28 +02:00 |
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046f017b70
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Move the pmem closer to the RAM memory
Continues stuck in switch_root.
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2024-07-01 15:02:20 +02:00 |
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763f053f01
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Simplify, correct and comment DTS
Disable unused devices and try to fix the interrupt connections. The
compiler dtc doesn't report any warning now.
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2024-07-01 11:29:02 +02:00 |
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33b227f576
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Hangs in swtich_root in stage1
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2024-07-01 10:14:39 +02:00 |
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7b9eb7366e
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Remove unused PMEM regions
Boots until the init, then fails with:
[ 42.561840] Freeing unused kernel image (initmem) memory: 2448K
[ 42.572360] Run /init as init process
[ 42.577400] with arguments:
[ 42.581780] /init
[ 42.584520] with environment:
[ 42.589320] HOME=/
[ 42.592140] TERM=linux
[ 42.637580] init[1]: unhandled signal 4 code 0x1 at 0x0000003f966980d8 in ld-linux-riscv64-lp64d.so.1[3f96683000+23000]
[ 42.650580] CPU: 0 PID: 1 Comm: init Not tainted 6.1.62 #1-NixOS
[ 42.657720] Hardware name: Barcelona Supercomputing Center - Lagarto Ox (NixOS) (DT)
[ 42.666760] epc : 0000003f966980d8 ra : 0000000000000000 sp : 0000003fe5c95db0
[ 42.675040] gp : ffffffff8197ea48 tp : 0000000000000000 t0 : 0000000000000000
[ 42.683320] t1 : 0000000000000000 t2 : 0000000000000000 s0 : 0000000000000000
[ 42.691600] s1 : 0000000000000000 a0 : 0000000000000000 a1 : 0000000000000000
[ 42.699880] a2 : 0000000000000000 a3 : 0000000000000000 a4 : 0000000000000000
[ 42.708160] a5 : 0000000000000000 a6 : 0000000000000000 a7 : 0000000000000000
[ 42.716420] s2 : 0000000000000000 s3 : 0000000000000000 s4 : 0000000000000000
[ 42.724700] s5 : 0000000000000000 s6 : 0000000000000000 s7 : 0000000000000000
[ 42.733380] s8 : 0000000000000000 s9 : 0000000000000000 s10: 0000000000000000
[ 42.741660] s11: 0000000000000000 t3 : 0000000000000000 t4 : 0000000000000000
[ 42.749920] t5 : 0000000000000000 t6 : 0000000000000000
[ 42.756440] status: 0000000200004020 badaddr: 0000000000010513 cause: 0000000000000002
[ 42.767620] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000004
[ 42.775720] CPU: 0 PID: 1 Comm: init Not tainted 6.1.62 #1-NixOS
[ 42.782320] Hardware name: Barcelona Supercomputing Center - Lagarto Ox (NixOS) (DT)
[ 42.790460] Call Trace:
[ 42.793380] [<ffffffff800070c4>] dump_backtrace+0x38/0x48
[ 42.799520] [<ffffffff809f063c>] show_stack+0x50/0x68
[ 42.805280] [<ffffffff809fd1f8>] dump_stack_lvl+0x60/0x84
[ 42.811400] [<ffffffff809fd23c>] dump_stack+0x20/0x30
[ 42.817140] [<ffffffff809f0918>] panic+0x160/0x390
[ 42.822620] [<ffffffff80020184>] do_exit+0xa70/0xa78
[ 42.828260] [<ffffffff800203a4>] do_group_exit+0x44/0xb0
[ 42.834240] [<ffffffff80031eec>] get_signal+0x9b4/0xa00
[ 42.840140] [<ffffffff80005ca0>] do_work_pending+0x18c/0x610
[ 42.846480] [<ffffffff80003880>] resume_userspace_slow+0x10/0x14
[ 42.853420] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000004 ]---
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2024-06-28 15:08:24 +02:00 |
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fc4b8126f6
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Document memory layout
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2024-06-28 10:39:10 +02:00 |
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a8f3234031
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Reached working U-Boot prompt
The serial compatible string must be "ns16550" to be recognized by
U-Boot.
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2024-06-27 17:58:21 +02:00 |
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72b4788888
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Reached U-Boot console with FDT parsing error
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2024-06-27 16:08:30 +02:00 |
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1bfc32e91a
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Working OpenSBI 1.2
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2024-06-27 11:29:15 +02:00 |
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