riscv/efi_stub: Add 64bit boot-hartid support on RV64
authorSunil V L <sunilvl@ventanamicro.com>
Fri, 27 May 2022 05:17:43 +0000 (10:47 +0530)
committerPalmer Dabbelt <palmer@rivosinc.com>
Tue, 19 Jul 2022 23:39:19 +0000 (16:39 -0700)
commit171549f829dfebf1f44ffa76d3191bdc032d4cdb
tree6418b4dd15e37ac05b57952a855e35702e061fe2
parentad635e723e17379b192a5ba9c182e3eedfc24d16
riscv/efi_stub: Add 64bit boot-hartid support on RV64

The boot-hartid can be a 64bit value on RV64 platforms but
the "boot-hartid" in DT is assumed to be 32bit only.

Detect the size of the "boot-hartid" in DT and use 32bit or 64bit
read appropriately.

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Link: https://lore.kernel.org/r/20220527051743.2829940-6-sunilvl@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
drivers/firmware/efi/libstub/riscv-stub.c