Searched hist:d1c9f59a15c8d80c8ac3cd4407cd6f67c6790a5f (Results 1 – 3 of 3) sorted by relevance
| /optee_os/core/arch/riscv/kernel/ |
| H A D | sbi_console.c | d1c9f59a15c8d80c8ac3cd4407cd6f67c6790a5f Sat Feb 03 03:45:59 UTC 2024 Yu Chien Peter Lin <peterlin@andestech.com> riscv: sbi_console: prefer SBI v2.0 DBCN ecall over legacy sbi_console_putchar()
As the legacy sbi_console_putchar() may be deprecated in the future,
it is recommended to use sbi_dbcn_write_byte() provided by SBI v2.0
DBCN extension [1]. However, if the DBCN extension is not supported,
sbi_console_putchar() can still be used as the last resort.
Link: https://github.com/riscv-non-isa/riscv-sbi-doc/blob/v2.0/src/ext-debug-console.adoc#function-console-write-byte-fid-2 [1]
Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Alvin Chang <alvinga@andestech.com>
Acked-by: Jerome Forissier <jerome.forissier@linaro.org>
Acked-by: Etienne Carriere <etienne.carriere@foss.st.com>
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| H A D | sbi.c | d1c9f59a15c8d80c8ac3cd4407cd6f67c6790a5f Sat Feb 03 03:45:59 UTC 2024 Yu Chien Peter Lin <peterlin@andestech.com> riscv: sbi_console: prefer SBI v2.0 DBCN ecall over legacy sbi_console_putchar()
As the legacy sbi_console_putchar() may be deprecated in the future,
it is recommended to use sbi_dbcn_write_byte() provided by SBI v2.0
DBCN extension [1]. However, if the DBCN extension is not supported,
sbi_console_putchar() can still be used as the last resort.
Link: https://github.com/riscv-non-isa/riscv-sbi-doc/blob/v2.0/src/ext-debug-console.adoc#function-console-write-byte-fid-2 [1]
Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Alvin Chang <alvinga@andestech.com>
Acked-by: Jerome Forissier <jerome.forissier@linaro.org>
Acked-by: Etienne Carriere <etienne.carriere@foss.st.com>
|
| /optee_os/core/arch/riscv/include/ |
| H A D | sbi.h | d1c9f59a15c8d80c8ac3cd4407cd6f67c6790a5f Sat Feb 03 03:45:59 UTC 2024 Yu Chien Peter Lin <peterlin@andestech.com> riscv: sbi_console: prefer SBI v2.0 DBCN ecall over legacy sbi_console_putchar()
As the legacy sbi_console_putchar() may be deprecated in the future,
it is recommended to use sbi_dbcn_write_byte() provided by SBI v2.0
DBCN extension [1]. However, if the DBCN extension is not supported,
sbi_console_putchar() can still be used as the last resort.
Link: https://github.com/riscv-non-isa/riscv-sbi-doc/blob/v2.0/src/ext-debug-console.adoc#function-console-write-byte-fid-2 [1]
Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Alvin Chang <alvinga@andestech.com>
Acked-by: Jerome Forissier <jerome.forissier@linaro.org>
Acked-by: Etienne Carriere <etienne.carriere@foss.st.com>
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