Attached patch moves functions out of the huge libpayload.h into headers
according to libc/posix traditions, to simplify porting applications to
payloads.
It also adds a couple of functions:
strcasecmp, strncasecmp, strcat, strtol, strspn, strcspn, strtok_r,
strtok, perror, exit, getpagesize
Signed-off-by: Patrick Georgi <patrick.georgi@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5643 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2010-06-24 13:16:10 +02:00
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/*
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*
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* Copyright (C) 2008 Advanced Micro Devices, Inc.
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2013-11-23 09:54:40 +01:00
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* Copyright 2013 Google Inc.
|
Attached patch moves functions out of the huge libpayload.h into headers
according to libc/posix traditions, to simplify porting applications to
payloads.
It also adds a couple of functions:
strcasecmp, strncasecmp, strcat, strtol, strspn, strcspn, strtok_r,
strtok, perror, exit, getpagesize
Signed-off-by: Patrick Georgi <patrick.georgi@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5643 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2010-06-24 13:16:10 +02:00
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _STDLIB_H
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#define _STDLIB_H
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2013-11-23 09:54:40 +01:00
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#include <die.h>
|
Attached patch moves functions out of the huge libpayload.h into headers
according to libc/posix traditions, to simplify porting applications to
payloads.
It also adds a couple of functions:
strcasecmp, strncasecmp, strcat, strtol, strspn, strcspn, strtok_r,
strtok, perror, exit, getpagesize
Signed-off-by: Patrick Georgi <patrick.georgi@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5643 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2010-06-24 13:16:10 +02:00
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#include <stddef.h>
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2013-11-23 09:54:40 +01:00
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#include <string.h>
|
Attached patch moves functions out of the huge libpayload.h into headers
according to libc/posix traditions, to simplify porting applications to
payloads.
It also adds a couple of functions:
strcasecmp, strncasecmp, strcat, strtol, strspn, strcspn, strtok_r,
strtok, perror, exit, getpagesize
Signed-off-by: Patrick Georgi <patrick.georgi@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5643 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2010-06-24 13:16:10 +02:00
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/**
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* @defgroup malloc Memory allocation functions
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* @{
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*/
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void free(void *ptr);
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void *malloc(size_t size);
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void *calloc(size_t nmemb, size_t size);
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void *realloc(void *ptr, size_t size);
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void *memalign(size_t align, size_t size);
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2013-08-28 00:48:32 +02:00
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void *dma_malloc(size_t size);
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void *dma_memalign(size_t align, size_t size);
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2016-05-19 22:15:16 +02:00
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#if CONFIG(LP_DEBUG_MALLOC) && !defined(IN_MALLOC_C)
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#include <stdio.h>
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void print_malloc_map(void);
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#define free(p) ({ \
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void *__p = p; \
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printf("free(%p) called from %s:%s:%d...\n", __p, __FILE__, __func__, \
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__LINE__);\
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printf("PRE free()\n"); \
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print_malloc_map(); \
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free(__p); \
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printf("POST free()\n"); \
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print_malloc_map(); \
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})
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#define malloc(s) ({ \
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size_t __s = s; \
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void *ptr; \
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printf("malloc(%zu) called from %s:%s:%d...\n", __s, __FILE__, \
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__func__, __LINE__);\
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printf("PRE malloc\n"); \
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print_malloc_map(); \
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ptr = malloc(__s); \
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printf("POST malloc (ptr = %p)\n", ptr); \
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print_malloc_map(); \
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ptr; \
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})
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#define calloc(n, s) ({ \
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size_t __n = n, __s = s; \
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void *ptr; \
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printf("calloc(%zu, %zu) called from %s:%s:%d...\n", __n, __s, \
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__FILE__, __func__, __LINE__);\
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printf("PRE calloc\n"); \
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print_malloc_map(); \
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ptr = calloc(__n, __s); \
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printf("POST calloc (ptr = %p)\n", ptr); \
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print_malloc_map(); \
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ptr; \
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})
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#define realloc(p, s) ({ \
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void *__p = p; \
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size_t __s = s; \
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void *ptr; \
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printf("realloc(%p, %zu) called from %s:%s:%d...\n", __p, __s, \
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__FILE__, __func__, __LINE__);\
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printf("PRE realloc\n"); \
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print_malloc_map(); \
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ptr = realloc(__p, __s); \
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printf("POST realloc (ptr = %p)\n", ptr); \
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print_malloc_map(); \
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ptr; \
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})
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#define memalign(a, s) ({ \
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size_t __a = a, __s = s; \
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void *ptr; \
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printf("memalign(%zu, %zu) called from %s:%s:%d...\n", __a, __s, \
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__FILE__, __func__, __LINE__);\
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printf("PRE memalign\n"); \
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print_malloc_map(); \
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ptr = memalign(__a, __s); \
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printf("POST memalign (ptr = %p)\n", ptr); \
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print_malloc_map(); \
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ptr; \
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})
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#define dma_malloc(s) ({ \
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size_t __s = s; \
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void *ptr; \
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printf("dma_malloc(%zu) called from %s:%s:%d...\n", __s, __FILE__, \
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__func__, __LINE__);\
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printf("PRE dma_malloc\n"); \
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print_malloc_map(); \
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ptr = dma_malloc(__s); \
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printf("POST dma_malloc (ptr = %p)\n", ptr); \
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print_malloc_map(); \
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ptr; \
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})
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#define dma_memalign(a, s) ({ \
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size_t __a = a, __s = s; \
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void *ptr; \
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printf("dma_memalign(%zu, %zu) called from %s:%s:%d...\n", __a, __s, \
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__FILE__, __func__, __LINE__);\
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printf("PRE dma_memalign\n"); \
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print_malloc_map(); \
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ptr = dma_memalign(__a, __s); \
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printf("POST dma_memalign (ptr = %p)\n", ptr); \
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print_malloc_map(); \
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ptr; \
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})
|
2013-09-14 03:21:46 +02:00
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#endif
|
2016-05-19 22:15:16 +02:00
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2013-09-14 03:21:46 +02:00
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void init_dma_memory(void *start, u32 size);
|
libpayload: Make EHCI driver cache-aware
This patch makes the EHCI driver work on ARM platforms which usually do
not support automatic cache snooping. It uses the new DMA memory
mechanism (which needs to be correctly set up in the Coreboot mainboard
code) to allocate all EHCI-internal communication structures in
cache-coherent memory, and cleans/invalidates the externally supplied
transfer buffers in Bulk and Control functions with explicit calls as
necessary.
Old-Change-Id: Ie8a62545d905b7a4fdd2a56b9405774be69779e5
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/167339
(cherry picked from commit 322338934add36a5372ffe7d2a45e61a4fdd4a54)
libpayload: ehci: Cache management is hard, let's go copying...
It turns out that my previous commit to make the EHCI stack cache aware
on ARM devices wasn't quite correct, and the problem is actually much
trickier than I thought. After having some fun with more weird transfer
problems that appear/disappear based on stack alignment, this is my
current worst-case threat model that any cache managing implementation
would need to handle correctly:
Some upper layer calls ehci_bulk() with a transfer buffer on its stack.
Due to stack alignment, it happens to start just at the top of a cache
line, so up to 64 - 4 bytes of ehci_bulk's stack will share that line.
ehci_bulk() calls dcache_clean() and initializes the USB transfer.
Between that point and the call to dcache_invalidate() at the end of
ehci_bulk(), any access to the stack variables in that cache line (even
a speculative prefetch) will refetch the line into the cache. Afterwards
any other access to a random memory location that just happens to get
aliased to the same cache line may evict it again, causing the processor
to write out stale data to the transfer buffer and possibly overwrite
data that has already been received over USB.
In short, any dcache_clean/dcache_invalidate-based implementation that
preserves correctness while allowing any arbitrary (non cache-aligned)
memory location as a transfer buffer is presumed to be impossible.
Instead, this patch causes all transfer data to be copied to/from a
cache-coherent bounce buffer. It will still transfer directly if the
supplied buffer is already cache-coherent, which can be used by callers
to optimize their transfers (and is true by default on x86).
Old-Change-Id: I112908410bdbc8ca028d44f2f5d388c529f8057f
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/169231
Reviewed-by: Stefan Reinauer <reinauer@chromium.org>
(cherry picked from commit 702dc50f1d56fe206442079fa443437f4336daed)
Squashed the initial commit and a follow up fix.
Change-Id: Idf7e5aa855b4f0221f82fa380a76049f273e4c88
Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com>
Reviewed-on: http://review.coreboot.org/6633
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2013-08-28 21:29:28 +02:00
|
|
|
int dma_initialized(void);
|
2022-08-23 10:40:03 +02:00
|
|
|
int dma_coherent(const void *ptr);
|
2023-10-16 05:34:52 +02:00
|
|
|
void dma_allocator_range(void **start_out, size_t *size_out);
|
2013-11-23 09:54:40 +01:00
|
|
|
|
|
|
|
static inline void *xmalloc_work(size_t size, const char *file,
|
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|
|
const char *func, int line)
|
|
|
|
{
|
|
|
|
void *ret = malloc(size);
|
|
|
|
if (!ret && size) {
|
|
|
|
die_work(file, func, line, "Failed to malloc %zu bytes.\n",
|
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|
|
size);
|
|
|
|
}
|
|
|
|
return ret;
|
|
|
|
}
|
2023-01-22 08:55:59 +01:00
|
|
|
#define xmalloc(size) xmalloc_work((size), __FILE__, __func__, __LINE__)
|
2013-11-23 09:54:40 +01:00
|
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|
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|
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static inline void *xzalloc_work(size_t size, const char *file,
|
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|
|
const char *func, int line)
|
|
|
|
{
|
|
|
|
void *ret = xmalloc_work(size, file, func, line);
|
|
|
|
memset(ret, 0, size);
|
|
|
|
return ret;
|
|
|
|
}
|
2023-01-22 08:55:59 +01:00
|
|
|
#define xzalloc(size) xzalloc_work((size), __FILE__, __func__, __LINE__)
|
2015-01-22 15:53:02 +01:00
|
|
|
|
|
|
|
static inline void *xmemalign_work(size_t align, size_t size, const char *file,
|
|
|
|
const char *func, int line)
|
|
|
|
{
|
|
|
|
void *ret = memalign(align, size);
|
|
|
|
if (!ret && size) {
|
|
|
|
die_work(file, func, line,
|
|
|
|
"Failed to memalign %zu bytes with %zu alignment.\n",
|
|
|
|
size, align);
|
|
|
|
}
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
#define xmemalign(align, size) \
|
|
|
|
xmemalign_work((align), (size), __FILE__, __func__, __LINE__)
|
Attached patch moves functions out of the huge libpayload.h into headers
according to libc/posix traditions, to simplify porting applications to
payloads.
It also adds a couple of functions:
strcasecmp, strncasecmp, strcat, strtol, strspn, strcspn, strtok_r,
strtok, perror, exit, getpagesize
Signed-off-by: Patrick Georgi <patrick.georgi@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5643 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2010-06-24 13:16:10 +02:00
|
|
|
/** @} */
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @defgroup stdlib String conversion functions
|
|
|
|
* @{
|
|
|
|
*/
|
|
|
|
long int strtol(const char *s, char **nptr, int base);
|
2019-03-27 22:47:09 +01:00
|
|
|
long long int strtoll(const char *s, char **nptr, int base);
|
Attached patch moves functions out of the huge libpayload.h into headers
according to libc/posix traditions, to simplify porting applications to
payloads.
It also adds a couple of functions:
strcasecmp, strncasecmp, strcat, strtol, strspn, strcspn, strtok_r,
strtok, perror, exit, getpagesize
Signed-off-by: Patrick Georgi <patrick.georgi@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5643 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2010-06-24 13:16:10 +02:00
|
|
|
unsigned long int strtoul(const char *s, char **nptr, int base);
|
2011-07-26 12:51:59 +02:00
|
|
|
unsigned long long int strtoull(const char *s, char **nptr, int base);
|
2011-05-27 15:31:52 +02:00
|
|
|
long atol(const char *nptr);
|
Attached patch moves functions out of the huge libpayload.h into headers
according to libc/posix traditions, to simplify porting applications to
payloads.
It also adds a couple of functions:
strcasecmp, strncasecmp, strcat, strtol, strspn, strcspn, strtok_r,
strtok, perror, exit, getpagesize
Signed-off-by: Patrick Georgi <patrick.georgi@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5643 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2010-06-24 13:16:10 +02:00
|
|
|
|
|
|
|
/** @} */
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @defgroup rand Random number generator functions
|
|
|
|
* @{
|
|
|
|
*/
|
|
|
|
int rand_r(unsigned int *seed);
|
|
|
|
int rand(void);
|
|
|
|
void srand(unsigned int seed);
|
|
|
|
/** @} */
|
|
|
|
|
2021-06-16 19:48:40 +02:00
|
|
|
/**
|
|
|
|
* @defgroup misc Misc functions
|
|
|
|
* @{
|
|
|
|
*/
|
|
|
|
int abs(int j);
|
|
|
|
long int labs(long int j);
|
|
|
|
long long int llabs(long long int j);
|
|
|
|
/** @} */
|
|
|
|
|
2018-04-18 23:57:33 +02:00
|
|
|
/* Enter remote GDB mode. Will initialize connection if not already up. */
|
|
|
|
void gdb_enter(void);
|
|
|
|
/* Disconnect existing GDB connection if one exists. */
|
|
|
|
void gdb_exit(s8 exit_status);
|
|
|
|
|
Attached patch moves functions out of the huge libpayload.h into headers
according to libc/posix traditions, to simplify porting applications to
payloads.
It also adds a couple of functions:
strcasecmp, strncasecmp, strcat, strtol, strspn, strcspn, strtok_r,
strtok, perror, exit, getpagesize
Signed-off-by: Patrick Georgi <patrick.georgi@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5643 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2010-06-24 13:16:10 +02:00
|
|
|
/**
|
|
|
|
* Stop execution and halt the processor (this function does not return).
|
|
|
|
*/
|
2017-07-13 02:20:27 +02:00
|
|
|
void halt(void) __attribute__((noreturn));
|
|
|
|
void exit(int status) __attribute__((noreturn));
|
Attached patch moves functions out of the huge libpayload.h into headers
according to libc/posix traditions, to simplify porting applications to
payloads.
It also adds a couple of functions:
strcasecmp, strncasecmp, strcat, strtol, strspn, strcspn, strtok_r,
strtok, perror, exit, getpagesize
Signed-off-by: Patrick Georgi <patrick.georgi@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5643 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2010-06-24 13:16:10 +02:00
|
|
|
#define abort() halt() /**< Alias for the halt() function */
|
2019-03-06 01:55:15 +01:00
|
|
|
#if CONFIG(LP_REMOTEGDB)
|
libpayload: Add remote GDB support
This patch adds the ability to attach a GDB host through the UART to a
running payload. Libpayload implements a small stub that can parse and
respond to the GDB remote protocol and provide the required primitives
(reading/writing registers/memory, etc.) to allow GDB to control
execution.
The goal of this implementation is to be as small and uninvasive as
possible. It implements only the minimum amount of primitives required,
and relies on GDB's impressive workaround capabilities (such as
emulating breakpoints by temporarily replacing instructions) for the
more complicated features. This way, a relatively tiny amount of code on
the firmware side opens a vast range of capabilities to the user, not
just in debugging but also in remote-controlling the firmware to change
its behavior (e.g. through GDBs ability to modify variables and call
functions).
By default, a system with the REMOTEGDB Kconfig will only trap into GDB
when executing halt() (including the calls from die_if(), assert(), and
exception handlers). In addition, payloads can manually call gdb_enter()
if desired. It will print a final "Ready for GDB connection." on the
serial, detach the normal serial output driver and wait for the commands
that GDB starts sending on attach.
Based on original implementation by Gabe Black <gabeblack@chromium.org>.
BUG=chrome-os-partner:18390
TEST=Boot a GDB enabled image in recovery mode (or get it to hit a
halt()), close your terminal, execute '<toolchain>-gdb --symbols
/build/<board>/firmware/depthcharge_gdb/depthcharge.elf --directory
~/trunk/src/third_party/coreboot/payloads/libpayload --directory
~/trunk/src/platform/depthcharge --directory
~/trunk/src/platform/vboot_reference --ex "target remote
<cpu_uart_pty>"' and behold the magic.
(You can also SIGSTOP your terminal's parent shell and the terminal
itself, and SIGCONT them in reverse order after GDB exits. More
convenient wrapper tools to do all this automatically coming soon.)
Original-Change-Id: Ib440d1804126cdfdac4a8801f5015b4487e25269
Original-Signed-off-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/202563
Original-Reviewed-by: Stefan Reinauer <reinauer@chromium.org>
(cherry picked from commit 9c4a642c7be2faf122fef39bdfaddd64aec68b77)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Change-Id: I9238b4eb19d3ab2c98e4e1c5946cd7d252ca3c3b
Reviewed-on: http://review.coreboot.org/8119
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2014-05-15 20:57:38 +02:00
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/* Override abort()/halt() to trap into GDB if it is enabled. */
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#define halt() do { gdb_enter(); halt(); } while (0)
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#endif
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Attached patch moves functions out of the huge libpayload.h into headers
according to libc/posix traditions, to simplify porting applications to
payloads.
It also adds a couple of functions:
strcasecmp, strncasecmp, strcat, strtol, strspn, strcspn, strtok_r,
strtok, perror, exit, getpagesize
Signed-off-by: Patrick Georgi <patrick.georgi@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5643 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2010-06-24 13:16:10 +02:00
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2011-07-07 12:02:10 +02:00
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void qsort(void *aa, size_t n, size_t es, int (*cmp)(const void *, const void *));
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2011-07-12 15:50:54 +02:00
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char *getenv(const char*);
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2014-11-28 03:50:14 +01:00
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uint64_t __umoddi3(uint64_t num, uint64_t den);
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uint64_t __udivdi3(uint64_t num, uint64_t den);
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uint64_t __ashldi3(uint64_t num, unsigned shift);
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uint64_t __lshrdi3(uint64_t num, unsigned shift);
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Attached patch moves functions out of the huge libpayload.h into headers
according to libc/posix traditions, to simplify porting applications to
payloads.
It also adds a couple of functions:
strcasecmp, strncasecmp, strcat, strtol, strspn, strcspn, strtok_r,
strtok, perror, exit, getpagesize
Signed-off-by: Patrick Georgi <patrick.georgi@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5643 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2010-06-24 13:16:10 +02:00
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#endif
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