etc:users:jcmvbkbc:linux-xtensa
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Table of Contents
Linux port for Xtensa
- Linux git tree: https://github.com/jcmvbkbc/linux-xtensa
- Build/test tools git tree: https://github.com/jcmvbkbc/xtensa-linux-test
- Toolchain build scripts/overlays git tree: https://github.com/jcmvbkbc/xtensa-toolchain-build
TODO
- TIE coprocessors (23ae3f723c8996d47ef205e98cb7732bbde4775f)
- ptrace (support latest GDB) (617244763e19a4eebb4fabe41ba56eb1ccbdb049, 23ae3f723c8996d47ef205e98cb7732bbde4775f,
ff1b10f85a1176d1eb8df433434b717f6f0841d4(already upstream),a2b61af3328025d6069e8bf9ff36f5288e11dba9) - ticket spinlocks
- dynamic ftrace
- kprobes
- fixes for debuggability (continuous stack trace over exceptions at least)
In Progress
- highmem on cores with aliasing cache
- support xtfpga audio hardware in ALSA
- clock synthesizer
- I2S interface
- deliver signals raised in double exceptions
Done
Highmem support
Done, in the -next
Limit PHY connected to OpenCores MAC to 10/100 MBits/s speeds
Done, in the mainline:
445a48c net: ethoc: don't advertise gigabit speed on attached PHY a13aff0 net: ethoc: set up MII management bus clock
SMP support
Done, in the mainline:
99d5040 xtensa: keep a3 and excsave1 on entry to exception handlers 5515daa xtensa: fix arch spinlock function names 6235153 xtensa: update clockevent setup for SMP cbd1de2 xtensa: move built-in PIC to drivers/irqchip 26a8e96 xtensa: add MX irqchip f615136 xtensa: add SMP support 49b424f xtensa: implement CPU hotplug
Clean up and fix ISS networking
Done, in the mainline:
3f3cd60b xtensa: ISS: clean up iss-network driver 8c8ad85 xtensa: ISS: fix command line parameter name 358b181 xtensa: ISS: init network interface name before the probe 8991fd8 xtensa: ISS: drop IP setup, clean up MAC setup f6ac5a1 xtensa: ISS: enable iss_net_set_mac 35e14b4 xtensa: ISS: always use fixed tuntap config a6e16b9 xtensa: ISS: clean up diagnostic, increase verbosity
oprofile
8c502ca703956e56bf191774e4169752f0f71c8e, 7dd1d39e70769f2dd7a6a508d58b187ed8d1cb95
Done, in the mainline:
e6ffe17 xtensa: add support for oprofile 74f5bf0 xtensa: fix oprofile building as module
simdisk
1a955825662fa378d447b91485d9fe2438124b0a, 8bcbc3adb5c5bfdbd96078c1e68916be859c832d
Done, in the mainline:
b6c7e87 xtensa: ISS: add host file-based simulated disk
Medium level interrupts in less hacky way
489fb47c75772e3a41ef3e988eb0c0e512592085
Done, in the mainline:
2d1c645 xtensa: dispatch medium-priority interrupts 895666a xtensa: disable IRQs while IRQ handler is running
Interrupt management
Done, in the mainline:
2206d5d xtensa: add IRQ domains support
Cache aliasing aware mmap
Done, in the mainline:
de73b6b xtensa: avoid mmap cache aliasing
Atomics (arch/xtensa/include/asm/atomic.h, bitops.h, spinlock.h) and check for S32C1I
Merged in the eb0a9bf31fdbcee9463c0f42fbf4a292ef149a7d, pick up from individual files.
Done, in the mainline:
2f6ea6a xtensa: display s32c1i feature flag in cpuinfo 733536b xtensa: save and restore scompare1 SR on kernel entry c622b29 xtensa: initialize atomctl SR 28570e8 xtensa: add trap_set_handler function 0027312 xtensa: add s32c1i sanity check 219b1e4 xtensa: add s32c1i-based atomic ops implementations e5a9f6a xtensa: add s32c1i-based bitops implementations 71872b5 xtensa: add s32c1i-based spinlock implementations 599bf77 xtensa: fix mb and wmb definitions
Generic kernel_thread & friends
Done, in the mainline:
3306a72 xtensa: switch to generic kernel_thread() f0a1bf0 xtensa: switch to generic kernel_execve() dc241f2 xtensa: switch to generic sys_execve()
Support for Tensilica FPGA boards (xtfpga)
- [+] serial
- [+] ethernet
- [+] FLASH
- [-] audio
In the mainline:
0d456ba xtensa: add support for the XTFPGA boards 5584b4d xtensa: add XTFPGA DTS
Device trees support
Done, in the mainline:
da844a8 xtensa: add device trees support
MMU v3
Done, in the mainline:
e85e335 xtensa: add MMU v3 support 93e294a xtensa: document MMUv3 setup sequence
etc/users/jcmvbkbc/linux-xtensa.1397446589.txt.gz · Last modified: 2014/04/14 07:36 by jcmvbkbc