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Move the .align directives after switching the section. We want to align
the start of the current section, not the end of the previous section.
This also obsoletes the misguided workaround of disabling relaxation.
Signed-off-by: Andreas Schwab <schwab@suse.de>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
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Current SBI implementation is now considered as version 0.1 and will be
removed/replaced with newer extension/functions in future.
Rename the existing implementations accordingly to be in sync with the
specification.
Signed-off-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Zong Li <zong.li@sifive.com>
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Test payload uses an SBI call and uses the macros defined in interface
header which is not the correct place to have these definitions.
The interface header file should be used to keep SBI specification
related macros.
Keep all the test payload related code in test itself.
Signed-off-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
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Noisy commit, no functional changes.
Generated with an current upstream clang-format and:
clang-format -i $(find . -name \*.[ch])
Signed-off-by: Olof Johansson <olof@lixom.net>
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Some older toolchains may not have all the csr's defined. Update all
the csr functions to use the CSR_ #define values instead of the
toolchain defined values.
Signed-off-by: Atish Patra <atish.patra@wdc.com>
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This patch updates copyright header in all files as follows:
1. Makes "SPDX-License-Identifier: BSD-2-Clause" as first line
2. Change copyright year to 2019 for Western Digital
Signed-off-by: Anup Patel <anup.patel@wdc.com>
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Define sbi_ecall_console_puts() using sbi_ecall_console_putchar()
renamed as sbi_ecall_console_putc() and remove the hardcoded version
of the same funtion in the test payload code.
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
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Use a more neutral term more representative of this payload intent.
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
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The firmware payload offset defined by FW_PAYLOAD_OFFSET must
specify a value large enough so the the payload does not overlap
with the base firmware data, bss and text. For platforms without
any strong requirement on the payload address, introduce the
FW_PAYLOAD_ALIGN build parameter to automatically place the payload
right after the base firmware at an address aligned with the defined
value.
Either FW_PAYLOAD_OFFSET or FW_PAYLOAD_ALIGN should be defined by a
platform configuration. If both FW_PAYLOAD_OFFSET and FW_PAYLOAD_ALIGN
are defined by a platform, FW_PAYLOAD_OFFSET has precedence and is
used for building the final firmawre image.
Using FW_PAYLOAD_ALIGN=4096 with the Kendryte platform rather than
the abitrary FW_PAYLOAD_OFFSET=0x10000 value reduces the final
firmware image size by about 20KB.
Add a description of the FW_PAYLOAD_ALIGN configuration parameter in the
fw_payload documentation file as well. And while at it, also fix
various grammar and style issues in that file..
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
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Currently, the default payload for FW_PAYLOAD is embedded
fw_payload.S itself. This means people have to hack fw_payload.S
if they want to have some temporary S-mode test code.
This patch adds a separate dummy payload for FW_PAYLOAD which
can be easily hacked for some S-mode testing.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
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