Commit graph

51 commits

Author SHA1 Message Date
Hector Martin
b673db78c3 minilzlib/xzstream.h: get rid of warning pragma
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-30 03:03:03 +09:00
Hector Martin
74307af0df kboot: add proper kernel boot & DT manipulation code
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-30 01:37:09 +09:00
Hector Martin
ad93d14ee5 chickens: clear SYS_L2C_ERR_STS
It's unclear why this is necessary, but it fixes some strange crashes

Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-30 01:37:09 +09:00
Hector Martin
c057775ab9 adt: add ADT_FOREACH_PROPERTY
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-30 01:37:09 +09:00
Hector Martin
891bc5592e utils.h: fix msr/mrs macro expansion
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-30 01:37:09 +09:00
Hector Martin
46a46da111 string: add memmove, strrchr, strncmp
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-30 01:37:09 +09:00
Hector Martin
b82c0072e7 utils.h: mark reboot() noreturn
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-30 01:37:09 +09:00
Hector Martin
d280157289 libfdt: actually add libfdt
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-30 01:37:09 +09:00
Hector Martin
986c6730e9 Add heapblock and dlmalloc for managing memory
heapblock is a simple `sbrk` style implementation, also useful as an
"endless" decompression buffer. dlmalloc is used on top as a malloc
implementation.

This also changes how the Python side manages its heap. We still use a
python-side malloc implementation (since this is faster), and we put the
Python heap at the m1n1 heap + 128MB, without allocating it.
Hopefully this should never step on anything m1n1 neads, and avoids
having to manage freeing across Python script calls.

Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-29 16:25:15 +09:00
Hector Martin
f3d0a58f42 proxy: add mmu_shutdown call, use it for linux.py
I saw at least one SError crash on Linux after doing this, but can't
repro; unclear if related to the MMU changes or not...

Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-29 00:36:46 +09:00
Hector Martin
c3c6e4e8f9 smp: add scaffolding and proxy funcs for cross-CPU calls
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-29 00:36:46 +09:00
Hector Martin
e97b104125 main: do not spin up SMP
This breaks reloads, we shouldn't do this until we need to.

Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-28 23:48:35 +09:00
Hector Martin
eae3d06e85 smp: fix totally broken stack setup
This worked by accident before...

Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-28 23:48:35 +09:00
Hector Martin
11753f9983 start.S: probe the stack after init
This makes it obvious when the stack is broken.

Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-28 23:48:35 +09:00
Hector Martin
cffc423024 smp: use ADT data instead of hardcoded info
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-28 23:48:35 +09:00
Hector Martin
b4822eb02c adt: improve APIs for iterating through child nodes
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-28 23:48:35 +09:00
Hector Martin
db902ce01f wdt: move WDT disable code to wdt.c & use ADT regs
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-28 23:48:35 +09:00
Hector Martin
3733ea153f smp: fix broken spin-table routine
Only read target_cpu once, then keep a pointer our spin table.

Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-28 23:48:35 +09:00
Hector Martin
ba1162e322 adt: add an API for resolving reg properties
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-28 23:48:35 +09:00
Sven Peter
9242c820ae MMU: clean and invalidate all caches after shutdown
Signed-off-by: Sven Peter <sven@svenpeter.dev>
2021-01-28 23:20:15 +09:00
Sven Peter
2f84b33ba8 MMU: add cache operations by set/way
this embeds a slightly modified file taken from
arm-trusted-firmware.

Signed-off-by: Sven Peter <sven@svenpeter.dev>
2021-01-28 23:20:15 +09:00
Sven Peter
f244919c98 MMU: add initial support
Signed-off-by: Sven Peter <sven@svenpeter.dev>
2021-01-28 23:20:15 +09:00
Sven Peter
63fad7e3e2 utils.h: add panic() macro
Signed-off-by: Sven Peter <sven@svenpeter.dev>
2021-01-28 23:20:15 +09:00
Hector Martin
d762391a68 Add code to spin up secondary CPUs
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-28 16:06:12 +09:00
Hector Martin
65276fdd3f utils.h: add memory clobbers
We mostly use read32/write32 and friends to poke hardware registers,
which might have side effects on RAM, so just make everything a memory
clobber to avoid potential issues.

Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-28 16:06:12 +09:00
Hector Martin
0145830772 chickens: add firestorm chicken bits
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-28 16:06:12 +09:00
Hector Martin
344c84da17 clang-format everything
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-28 16:06:12 +09:00
Ariel Machado
51bf5c870a adt: replaces int to u32 and size_t for unsigned values.
Makefile: increases compiler warnings

Signed-off-by: Ariel Machado <ariel@fe.up.pt>
2021-01-25 19:18:30 +09:00
Hector Martin
cc34ace39a startup: Implement setting CPU chicken bits for Icestorm
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-25 19:11:54 +09:00
Hector Martin
58b643df77 clang-format a few missed things
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-25 17:25:49 +09:00
Hector Martin
a637b77816 Move minlzma.h -> src/minilzlib
This stops clang-format from running on this header.

Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-25 17:25:44 +09:00
Hector Martin
14db0224af Add config.h for build-time config options
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-25 17:24:29 +09:00
Hector Martin
674a82a2bb aic_test: UART IRQ testing stuff
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-23 22:42:59 +09:00
Hector Martin
63319ed348 utils: implement udelay()
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-23 22:42:25 +09:00
Hector Martin
009f04775e utils: add __assert_fail function to make assert() work
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-23 22:42:25 +09:00
Hector Martin
ee12d053a9 proxy: add XZ and GZ decompression functions and code
This embeds tinf and minlzma.

Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-23 22:42:23 +09:00
Ferdinand Bachmann
afc5813635 exceptions: fix clang warning for msr arg
Signed-off-by: Ferdinand Bachmann <theferdi265@gmail.com>
2021-01-23 22:09:22 +09:00
Ferdinand Bachmann
8511d9ff74 start.S: clang compat, don't use '\r' in asm files
Signed-off-by: Ferdinand Bachmann <theferdi265@gmail.com>
2021-01-23 22:09:22 +09:00
Ferdinand Bachmann
75c3cd39d4 start.S: don't use caller-saved registers accross calls
Signed-off-by: Ferdinand Bachmann <theferdi265@gmail.com>
2021-01-23 22:09:22 +09:00
Ferdinand Bachmann
6ecf5d9fb5 types.h: remove redundant definition of NULL (defined in stddef.h)
Signed-off-by: Ferdinand Bachmann <theferdi265@gmail.com>
2021-01-23 22:05:37 +09:00
Ferdinand Bachmann
274ea2baf2 exceptions: remove unused push_hi_regs symbol, make _exc_entry a function
Signed-off-by: Ferdinand Bachmann <theferdi265@gmail.com>
2021-01-23 22:05:24 +09:00
Hector Martin
31b6af14b2 exception.c: fix sp calculation in print_regs
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-18 01:57:27 +09:00
Hector Martin
81aaf2ed35 Basic exceptions, irq, cache mgmt support
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-17 00:49:22 +09:00
Ferdinand Bachmann
d49d0b781b adt: fix ignored qualifiers in adt_getprop_copy function prototype
Signed-off-by: Ferdinand Bachmann <theferdi265@gmail.com>
2021-01-16 05:12:48 +09:00
Sven Peter
3268aabb91 add missing const to src/adt.h
Signed-off-by: Sven Peter <sven@svenpeter.dev>
2021-01-16 02:48:22 +09:00
Sven Peter
4c4850935f change #include <string.h> to #include "string.h"
this is required to fix the following error when compiling with clang:

  CC    build/string.o
src/string.c:3:10: error: 'string.h' file not found with <angled> include; use "quotes" instead
         ^~~~~~~~~~
         "string.h"

Signed-off-by: Sven Peter <sven@svenpeter.dev>
2021-01-16 02:48:08 +09:00
Clay Freeman
b0b3548f1d Error codes should be returned as negative values
Signed-off-by: Clay Freeman <git@clayfreeman.com>
2021-01-15 12:52:34 +09:00
Hector Martin
5175c7a31b Chainloading, ADT support, misc fixes
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-15 04:04:12 +09:00
Hector Martin
b8fd8363cd Make UART proxy work
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-15 04:04:12 +09:00
Hector Martin
152c96a34a Import UART proxy
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-15 04:04:12 +09:00