etc:users:jcmvbkbc:linux-xtensa
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| etc:users:jcmvbkbc:linux-xtensa [2014/10/09 21:17] – update TODO jcmvbkbc | etc:users:jcmvbkbc:linux-xtensa [2022/06/03 21:38] – add linux on esp32 page jcmvbkbc | ||
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| ===== TODO ===== | ===== TODO ===== | ||
| - | * coprocessors support in SMP | ||
| - | * TIE coprocessors (23ae3f723c8996d47ef205e98cb7732bbde4775f) | ||
| - | * ptrace (support latest GDB) (617244763e19a4eebb4fabe41ba56eb1ccbdb049, | ||
| - | * ticket spinlocks | ||
| * dynamic ftrace | * dynamic ftrace | ||
| - | * kprobes | + | * kgdb/kdb |
| - | * fixes for debuggability (continuous stack trace over exceptions at least) | + | * kexec |
| + | * NX | ||
| ===== In Progress ===== | ===== In Progress ===== | ||
| - | * support xtfpga audio hardware in ALSA | + | * kprobes |
| - | * clock synthesizer | + | * [[.: |
| - | * I2S interface | + | |
| ===== Done ===== | ===== Done ===== | ||
| + | |||
| + | === Hibernation === | ||
| + | Done, in the mainline: | ||
| + | * [[https:// | ||
| + | |||
| + | === Coprocessors support in SMP === | ||
| + | Done, in the mainline: | ||
| + | * [[https:// | ||
| + | |||
| + | === GDBIO semihosting interface === | ||
| + | Done, in the mainline: | ||
| + | * [[https:// | ||
| + | |||
| + | === Seccomp and audit === | ||
| + | Done, in the mainline: | ||
| + | < | ||
| + | da94a40f7285 xtensa: add seccomp support | ||
| + | ef1a935c08ea xtensa: add audit support | ||
| + | </ | ||
| + | |||
| + | === eXecute In Place === | ||
| + | [[.: | ||
| + | < | ||
| + | | ||
| + | </ | ||
| + | |||
| + | === QEMU virt machine === | ||
| + | Done, in the mainline: | ||
| + | < | ||
| + | 775f1f7eaced xtensa: virt: add defconfig and DTS | ||
| + | </ | ||
| + | |||
| + | === support for cores with MPU === | ||
| + | Done, in the mainline: | ||
| + | < | ||
| + | a5944195d00a xtensa: implement initialize_cacheattr for MPU cores | ||
| + | </ | ||
| + | |||
| + | === exclusive access support (l32ex/ | ||
| + | Done, in the mainline: | ||
| + | < | ||
| + | f7c34874f04a xtensa: add exclusive atomics support | ||
| + | </ | ||
| + | |||
| + | === ticket spinlocks === | ||
| + | Done, in the mainline: | ||
| + | < | ||
| + | af3d890b4303 xtensa: provide xchg for sizes 1 and 2 | ||
| + | 579afe866f52 xtensa: use generic spinlock/ | ||
| + | </ | ||
| + | |||
| + | === support xtfpga audio hardware in ALSA === | ||
| + | Done, in the mainline: | ||
| + | < | ||
| + | 57b7068de5d0 ASoC: add xtensa xtfpga I2S interface and platform | ||
| + | 0c7665c35602 clk: TI CDCE706 clock synthesizer driver | ||
| + | 3a33a85401ec i2c: ocores: fix clock-frequency binding usage | ||
| + | e961a094afe0 i2c: ocores: add common clock support | ||
| + | c2c62e61fb85 xtensa: xtfpga: add audio card to xtfpga DTS | ||
| + | 04ddc5b5ad4e xtensa: xtfpga: provide defconfig with audio subsystem | ||
| + | </ | ||
| + | |||
| + | |||
| + | === fixes for debuggability (continuous stack trace over exceptions at least) === | ||
| + | Done, in the mainline: | ||
| + | < | ||
| + | b6569439f1ce xtensa: keep exception/ | ||
| + | </ | ||
| + | |||
| + | === NoMMU fixes === | ||
| + | Done, in the xtensa-fixes branch: | ||
| + | < | ||
| + | f04f3cb xtensa: nommu: move init_mmu stub to nommu_context.h | ||
| + | 67dbc24 xtensa: nommu: provide __invalidate_dcache_page_alias stub | ||
| + | ae73a13 xtensa: nommu: provide _PAGE_CHG_MASK definition | ||
| + | 1103273 xtensa: nommu: provide MAP_UNINITIALIZED definition | ||
| + | de03359 xtensa: nommu: don't provide arch_get_unmapped_area | ||
| + | 4ee9b59 xtensa: nommu: don't build most of the cache flushing code | ||
| + | 8cd28c7 xtensa: nommu: add MMU dependency to DEBUG_TLB_SANITY | ||
| + | 93c3d27 xtensa: nommu: fix Image.elf reset code and ld script | ||
| + | 1b929c7 xtensa: nommu: fix load address definitions | ||
| + | 7c5b218 xtensa: nommu: fix uImage load address | ||
| + | e40e0ee xtensa: move vecbase SR initialization to _startup | ||
| + | f698bc8 xtensa: nommu: set up cache and atomctl in initialize_mmu | ||
| + | 48243b5 xtensa: nommu: reserve memory below PLATFORM_DEFAULT_MEM_START | ||
| + | ceef25a xtensa: nommu: clean up memory map dump | ||
| + | 8fd689e xtensa: make PLATFORM_DEFAULT_MEM parameters configurable | ||
| + | </ | ||
| === Deliver signals raised in double exceptions === | === Deliver signals raised in double exceptions === | ||
| Not really needed. Replaced with alignment double exception fixup, special handler for user stack alignment and deprecation of fast atomic and spill syscalls. In the mainline (v3.17-rc3): | Not really needed. Replaced with alignment double exception fixup, special handler for user stack alignment and deprecation of fast atomic and spill syscalls. In the mainline (v3.17-rc3): | ||
etc/users/jcmvbkbc/linux-xtensa.txt · Last modified: 2023/07/12 06:25 by jcmvbkbc