On Mon, Oct 03, 2022 at 06:07:54PM +0200, Heinrich Schuchardt wrote: > From: Alexandre Ghiti <alexandre.gh...@canonical.com> > > The following description is copied from the equivalent patch for the > Linux Kernel proposed by Aurelien Jarno: > > >From version 2.38, binutils default to ISA spec version 20191213. This > means that the csr read/write (csrr*/csrw*) instructions and fence.i > instruction has separated from the `I` extension, become two standalone > extensions: Zicsr and Zifencei. As the kernel uses those instruction, > this causes the following build failure: > > arch/riscv/cpu/mtrap.S: Assembler messages: > arch/riscv/cpu/mtrap.S:65: Error: unrecognized opcode `csrr a0,scause' > arch/riscv/cpu/mtrap.S:66: Error: unrecognized opcode `csrr a1,sepc' > arch/riscv/cpu/mtrap.S:67: Error: unrecognized opcode `csrr a2,stval' > arch/riscv/cpu/mtrap.S:70: Error: unrecognized opcode `csrw sepc,a0' > > Signed-off-by: Alexandre Ghiti <alexandre.gh...@canonical.com> > Reviewed-by: Bin Meng <bmeng...@gmail.com> > Tested-by: Heinrich Schuchardt <heinrich.schucha...@canonical.com> > Tested-by: Heiko Stuebner <he...@sntech.de> > Tested-by: Christian Stewart <christ...@paral.in> > Reviewed-by: Rick Chen <r...@andestech.com>
Applied to u-boot/master, thanks! -- Tom
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