> > Subject: [PATCH v4 0/3] RISC-V S-mode support
> >
> > This patchset allows us runing u-boot in S-mode which is useful on platforms
> > where M-mode runtime firmware is an independent firmware and u-boot is used
> > as last stage OS bootloader.
> >
> > The patchset based upon git://git.denx.de/u-boot-riscv.git
Hi Anup
I apply your patch-sets fail on u-boot-riscv.git
Can you tell me which commit id I shall base on ?
Rick
> > and is tested on QEMU in both M-mode and S-mode.
> >
> > For S-mode testing, we have used u-boot.bin as payload of latest BBL (at
> > commit
> > 6ebd0f2a46255d0c76dad3c05b16c1d154795d26)
> > applied with following changes:
> >
> > diff --git a/machine/emulation.c b/machine/emulation.c index
> > 132e977..def75e1
> > 100644
> > --- a/machine/emulation.c
> > +++ b/machine/emulation.c
> > @@ -162,6 +162,12 @@ static inline int emulate_read_csr(int num, uintptr_t
> > mstatus, uintptr_t* result
> >
> > switch (num)
> > {
> > + case CSR_MISA:
> > + *result = read_csr(misa);
> > + return 0;
> > + case CSR_MHARTID:
> > + *result = read_csr(mhartid);
> > + return 0;
> > case CSR_CYCLE:
> > if (!((counteren >> (CSR_CYCLE - CSR_CYCLE)) & 1))
> > return -1;
> >
> > Changes since v3:
> > - Replaced 'u-boot' with 'U-Boot' in commit message
> > - Dropped 'an' in RISCV_SMODE kconfig option help message
> > - Added appropriate #ifdef in arch/riscv/lib/interrupts.c
> >
> > Changes since v2:
> > - Dropped 'default n" from RISCV_SMODE kconfig option
> > - Replaced '-smode_' in defconfig names with '_smode_'
> >
> > Changes since v1:
> > - Rebased upon latest git://git.denx.de/u-boot-riscv.git
> > - Add details in cover letter for running u-boot in S-mode
> > using BBL
> >
> > Anup Patel (3):
> > riscv: Add kconfig option to run U-Boot in S-mode
> > riscv: qemu: Use different SYS_TEXT_BASE for S-mode
> > riscv: Add S-mode defconfigs for QEMU virt machine
> >
> > arch/riscv/Kconfig | 5 ++++
> > arch/riscv/cpu/start.S | 33 +++++++++++++++++++++++
> > arch/riscv/include/asm/encoding.h | 2 ++
> > arch/riscv/lib/interrupts.c | 36 +++++++++++++++++++-------
> > board/emulation/qemu-riscv/Kconfig | 3 ++-
> > board/emulation/qemu-riscv/MAINTAINERS | 2 ++
> > configs/qemu-riscv32_smode_defconfig | 10 +++++++
> > configs/qemu-riscv64_smode_defconfig | 11 ++++++++
> > 8 files changed, 92 insertions(+), 10 deletions(-) create mode 100644
> > configs/qemu-riscv32_smode_defconfig
> > create mode 100644 configs/qemu-riscv64_smode_defconfig
> >
> > --
> > 2.17.1
>
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