3f9613bf6d
`stddef.h` should only provide the definitions defined by ISO or Posix. The included `commonlib/bsd/helpers.h` provide a lot of non standard definitions that may interfere with definitions from the application. Change-Id: Ia71edbc3ffe6694ff4b971decf3a41f915264bc8 Signed-off-by: Thomas Heijligen <src@posteo.de> Reviewed-on: https://review.coreboot.org/c/coreboot/+/70116 Reviewed-by: Elyes Haouas <ehaouas@noos.fr> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
15 lines
471 B
C
15 lines
471 B
C
/* SPDX-License-Identifier: BSD-3-Clause */
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#include <libpayload.h>
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#include <boot_device.h>
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__attribute__((weak)) ssize_t boot_device_read(void *buf, size_t offset, size_t size)
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{
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/* Memory-mapping usually only works for the top 16MB. */
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if (!lib_sysinfo.boot_media_size || lib_sysinfo.boot_media_size - offset > 16 * MiB)
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return CB_ERR_ARG;
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const void *const ptr = phys_to_virt(0 - lib_sysinfo.boot_media_size + offset);
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memcpy(buf, ptr, size);
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return size;
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}
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