opensbi.git/firmware/fw_base.S, branch v0.2

firmware: Improve low-level trap handler for M-mode to M-mode traps

2019-02-20T06:32:40Z

This patch extends our low-level trap handler in fw_base.S for handling M-mode to M-mode traps without overwritting stack. Signed-off-by: Anup Patel

firmware: Use CSR_ instead of for csr*

2019-02-14T04:01:18Z

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

firmware: Use lw instead of lwu for 32-bit architectures

2019-02-08T03:48:46Z

Signed-off-by: Alistair Francis

all: Update copyright header in all files

2019-01-24T08:37:47Z

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

lib: Move software interrupt enablement from firmware to lib

2019-01-22T04:33:49Z

The secondary hart waits for an IPI signal from the boot hart to executing boot code (hot boot). As a result, software generated interrupts have to be enabled for secondary harts before waiting for the boot hart boot completion IPI signal. Enabling software generated interrupts (IPI) can be done independently of the firmware code and moved to libsbi code so that the different firmware do not have to implement this. Signed-off-by: Atish Patra

include: Remove redundant tmp0 from struct sbi_scratch

2019-01-03T02:06:14Z

The tmp0 member was added in struct sbi_scratch to assist register save/restore at time of trap handling. This tmp0 is not unsed any more hence removing it. Signed-off-by: Anup Patel

include: Move RISCV_TRAP_REGS_xyz defines to sbi_trap.h

2019-01-02T04:27:12Z

The struct sbi_trap_regs related defines RISCV_TRAP_REGS_xyz should be in sbi_trap.h so that we can keep these defines in-sync with changes in struct sbi_trap_regs. Signed-off-by: Anup Patel

include: Move RISCV_PLATFORM_xyz defines to sbi_platform.h

2019-01-02T04:27:12Z

The struct sbi_platform related defines RISCV_PLATFORM_xyz should be in sbi_platform.h so that we can keep these defines in-sync with changes in struct sbi_platform. Signed-off-by: Anup Patel

include: Move RISCV_SCRATCH_xyz defines to sbi_scratch.h

2019-01-02T04:27:12Z

The struct sbi_scratch related defines RISCV_SCRATCH_xyz should be in sbi_scratch.h so that we can keep these defines in-sync with changes in struct sbi_scratch. Signed-off-by: Anup Patel

firmware: Rename fw_common.S to fw_base.S

2018-12-27T04:00:12Z

The fw_common.S is the base firmware extendend by fw_jump and fw_payload. This patch renames fw_common.S to fw_base.S to have more clear/intutive name for base firmware. Signed-off-by: Anup Patel