opensbi.git, branch v0.7

include: Bump-up version to 0.7

2020-04-20T10:58:42Z

This patch updates OpenSBI version to 0.7 as part of release preparation. Signed-off-by: Anup Patel

lib: Allow overriding SBI implementation ID

2020-04-19T11:30:05Z

Ideally, the SBI implementation ID for OpenSBI should always be 0x1 (as mentioned in SBI v0.2 spec) but external firmware (such as EDK2) which use OpenSBI as library might want to override the SBI implementation ID with their custom implementation ID. Signed-off-by: Anup Patel Reviewed-by: Bin Meng Reviewed-by: Atish Patra

docs: Update README about supported SBI versions

2020-04-17T04:02:06Z

Signed-off-by: Atish Patra Reviewed-by: Bin Meng Reviewed-by: Anup Patel

lib: Support vector extension

2020-04-17T04:00:17Z

Enable vector context in mstatus by updating the corresponding bits in mstatus if vector extension is supported by the hart. Signed-off-by: Atish Patra Reviewed-by: Bin Meng Reviewed-by: Anup Patel

lib: irqchip/plic: Fix maximum priority threshold value

2020-04-06T03:28:56Z

As per the PLIC specification, maximum priority threshold value is 0x7. Even though, writing a higher value doesn't cause any error in qemu hifive unleashed, there may be some implementation which checks the upper and may result in an illegal access. Signed-off-by: Atish Patra Reviewed-by: Bin Meng Reviewed-by: Anup Patel

platform: thead/c910: Use HSM extension to boot secondary cores

2020-03-28T08:11:03Z

Remove custom vendor extension and use HSM extension to boot secondary cores Signed-off-by: Liu Yibin Reviewed-by: Anup Patel Reviewed-by: Bin Meng

include: sbi_console: Remove scratch parameter from sbi_dprintf()

2020-03-28T08:02:58Z

This patch removes scratch parameter from sbi_dprintf() function because sbi_dprintf() can use sbi_scratch_thishart_ptr() to get current HART scratch space. Signed-off-by: Anup Patel Reviewed-by: Atish Patra

include: sbi_timer: Remove scratch parameter from most funcitons

2020-03-28T08:02:55Z

This patch removes scratch parameter from most sbi_timer functions. Signed-off-by: Anup Patel Reviewed-by: Atish Patra

include: sbi_system: Remove scratch parameter and redundant functions

2020-03-28T08:02:52Z

This patch removes scratch parameter and redundant functions from sbi_system. Signed-off-by: Anup Patel Reviewed-by: Atish Patra

include: sbi_ipi: Remove scratch parameter from most functions

2020-03-28T08:02:47Z

This patch removes scratch parameter from most sbi_ipi functions. Signed-off-by: Anup Patel Reviewed-by: Atish Patra