| Message ID | 20220915124526.1106011-3-kconsul@ventanamicro.com |
|---|---|
| State | Superseded |
| Delegated to: | Andes |
| Headers | show |
| Series | Add riscv semihosting support in u-boot | expand |
Hi Sean, Thanks for the comments. Will address them in v2. On Thu, Sep 15, 2022 at 9:35 PM Sean Anderson <sean.anderson@seco.com> wrote: > > > > On 9/15/22 8:45 AM, Kautuk Consul wrote: > > [You don't often get email from kconsul@ventanamicro.com. Learn why this is important at https://aka.ms/LearnAboutSenderIdentification ] > > > > To use semihosting on qemu RISCV virt machine, we need the > > CONFIG_SPL_FS_LOAD_PAYLOAD_NAME define in qemu-riscv.h. > > > > We also need to enable the following configs in defconfigs: > > CONFIG_SEMIHOSTING > > CONFIG_SPL_SEMIHOSTING > > CONFIG_SEMIHOSTING_SERIAL > > CONFIG_SERIAL_PROBE_ALL > > > > Signed-off-by: Kautuk Consul <kconsul@ventanamicro.com> > > --- > > configs/qemu-riscv32_defconfig | 4 ++++ > > configs/qemu-riscv32_smode_defconfig | 4 ++++ > > configs/qemu-riscv32_spl_defconfig | 5 +++++ > > configs/qemu-riscv64_defconfig | 4 ++++ > > configs/qemu-riscv64_smode_defconfig | 4 ++++ > > configs/qemu-riscv64_spl_defconfig | 5 +++++ > > include/configs/qemu-riscv.h | 2 ++ > > 7 files changed, 28 insertions(+) > > > > diff --git a/configs/qemu-riscv32_defconfig b/configs/qemu-riscv32_defconfig > > index 9634d7f77f..4961652548 100644 > > --- a/configs/qemu-riscv32_defconfig > > +++ b/configs/qemu-riscv32_defconfig > > @@ -1,4 +1,5 @@ > > CONFIG_RISCV=y > > +CONFIG_SEMIHOSTING=y > > CONFIG_SYS_MALLOC_LEN=0x800000 > > CONFIG_NR_DRAM_BANKS=1 > > CONFIG_ENV_SIZE=0x20000 > > @@ -20,3 +21,6 @@ CONFIG_CMD_NVEDIT_EFI=y > > CONFIG_SYS_RELOC_GD_ENV_ADDR=y > > CONFIG_DM_MTD=y > > CONFIG_SYS_MAX_FLASH_BANKS=2 > > +# CONFIG_SERIAL_PUTS is not set > > Does this have any affect on performance? It does for hardware, > but for software the overhead should be much smaller. > > > +CONFIG_SERIAL_PROBE_ALL=y > > +CONFIG_SEMIHOSTING_SERIAL=y > > diff --git a/configs/qemu-riscv32_smode_defconfig b/configs/qemu-riscv32_smode_defconfig > > index 1c5a0617aa..91e4ffebc2 100644 > > --- a/configs/qemu-riscv32_smode_defconfig > > +++ b/configs/qemu-riscv32_smode_defconfig > > @@ -1,4 +1,5 @@ > > CONFIG_RISCV=y > > +CONFIG_SEMIHOSTING=y > > CONFIG_SYS_MALLOC_LEN=0x800000 > > CONFIG_NR_DRAM_BANKS=1 > > CONFIG_ENV_SIZE=0x20000 > > @@ -21,4 +22,7 @@ CONFIG_CMD_NVEDIT_EFI=y > > CONFIG_SYS_RELOC_GD_ENV_ADDR=y > > CONFIG_DM_MTD=y > > CONFIG_SYS_MAX_FLASH_BANKS=2 > > +# CONFIG_SERIAL_PUTS is not set > > +CONFIG_SERIAL_PROBE_ALL=y > > +CONFIG_SEMIHOSTING_SERIAL=y > > CONFIG_SYSRESET_SBI=y > > diff --git a/configs/qemu-riscv32_spl_defconfig b/configs/qemu-riscv32_spl_defconfig > > index 2421c9a371..90dbc329e0 100644 > > --- a/configs/qemu-riscv32_spl_defconfig > > +++ b/configs/qemu-riscv32_spl_defconfig > > @@ -1,4 +1,6 @@ > > CONFIG_RISCV=y > > +CONFIG_SEMIHOSTING=y > > +CONFIG_SPL_SEMIHOSTING=y > > CONFIG_SYS_MALLOC_LEN=0x800000 > > CONFIG_NR_DRAM_BANKS=1 > > CONFIG_ENV_SIZE=0x20000 > > @@ -25,5 +27,8 @@ CONFIG_SYS_BOOTM_LEN=0x4000000 > > CONFIG_SYS_RELOC_GD_ENV_ADDR=y > > CONFIG_DM_MTD=y > > CONFIG_SYS_MAX_FLASH_BANKS=2 > > +# CONFIG_SERIAL_PUTS is not set > > +CONFIG_SERIAL_PROBE_ALL=y > > +CONFIG_SEMIHOSTING_SERIAL=y > > CONFIG_SYSRESET_SBI=y > > # CONFIG_BINMAN_FDT is not set > > diff --git a/configs/qemu-riscv64_defconfig b/configs/qemu-riscv64_defconfig > > index d5eae95c80..87478f4481 100644 > > --- a/configs/qemu-riscv64_defconfig > > +++ b/configs/qemu-riscv64_defconfig > > @@ -1,4 +1,5 @@ > > CONFIG_RISCV=y > > +CONFIG_SEMIHOSTING=y > > CONFIG_SYS_MALLOC_LEN=0x800000 > > CONFIG_NR_DRAM_BANKS=1 > > CONFIG_ENV_SIZE=0x20000 > > @@ -21,3 +22,6 @@ CONFIG_CMD_NVEDIT_EFI=y > > CONFIG_SYS_RELOC_GD_ENV_ADDR=y > > CONFIG_DM_MTD=y > > CONFIG_SYS_MAX_FLASH_BANKS=2 > > +# CONFIG_SERIAL_PUTS is not set > > +CONFIG_SERIAL_PROBE_ALL=y > > +CONFIG_SEMIHOSTING_SERIAL=y > > diff --git a/configs/qemu-riscv64_smode_defconfig b/configs/qemu-riscv64_smode_defconfig > > index 2861d07f97..5e9d6af3be 100644 > > --- a/configs/qemu-riscv64_smode_defconfig > > +++ b/configs/qemu-riscv64_smode_defconfig > > @@ -1,4 +1,5 @@ > > CONFIG_RISCV=y > > +CONFIG_SEMIHOSTING=y > > CONFIG_SYS_MALLOC_LEN=0x800000 > > CONFIG_NR_DRAM_BANKS=1 > > CONFIG_ENV_SIZE=0x20000 > > @@ -24,4 +25,7 @@ CONFIG_CMD_NVEDIT_EFI=y > > CONFIG_SYS_RELOC_GD_ENV_ADDR=y > > CONFIG_DM_MTD=y > > CONFIG_SYS_MAX_FLASH_BANKS=2 > > +# CONFIG_SERIAL_PUTS is not set > > +CONFIG_SERIAL_PROBE_ALL=y > > +CONFIG_SEMIHOSTING_SERIAL=y > > CONFIG_SYSRESET_SBI=y > > diff --git a/configs/qemu-riscv64_spl_defconfig b/configs/qemu-riscv64_spl_defconfig > > index 1ecfa27ce2..fb951293dd 100644 > > --- a/configs/qemu-riscv64_spl_defconfig > > +++ b/configs/qemu-riscv64_spl_defconfig > > @@ -1,4 +1,6 @@ > > CONFIG_RISCV=y > > +CONFIG_SEMIHOSTING=y > > +CONFIG_SPL_SEMIHOSTING=y > > CONFIG_SYS_MALLOC_LEN=0x800000 > > CONFIG_NR_DRAM_BANKS=1 > > CONFIG_ENV_SIZE=0x20000 > > @@ -25,5 +27,8 @@ CONFIG_SYS_BOOTM_LEN=0x4000000 > > CONFIG_SYS_RELOC_GD_ENV_ADDR=y > > CONFIG_DM_MTD=y > > CONFIG_SYS_MAX_FLASH_BANKS=2 > > +# CONFIG_SERIAL_PUTS is not set > > +CONFIG_SERIAL_PROBE_ALL=y > > +CONFIG_SEMIHOSTING_SERIAL=y > > CONFIG_SYSRESET_SBI=y > > # CONFIG_BINMAN_FDT is not set > > diff --git a/include/configs/qemu-riscv.h b/include/configs/qemu-riscv.h > > index d81e5d6c86..257d9c5d93 100644 > > --- a/include/configs/qemu-riscv.h > > +++ b/include/configs/qemu-riscv.h > > @@ -48,4 +48,6 @@ > > "ramdisk_addr_r=0x8c300000\0" \ > > BOOTENV > > > > +# define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.itb" > > This is a Kconfig since 4a11e34bc9c ("Convert > CONFIG_SPL_FS_LOAD_PAYLOAD_NAME et al to Kconfig") > > > #endif /* __CONFIG_H */ > > -- > > 2.34.1 > >
diff --git a/configs/qemu-riscv32_defconfig b/configs/qemu-riscv32_defconfig index 9634d7f77f..4961652548 100644 --- a/configs/qemu-riscv32_defconfig +++ b/configs/qemu-riscv32_defconfig @@ -1,4 +1,5 @@ CONFIG_RISCV=y +CONFIG_SEMIHOSTING=y CONFIG_SYS_MALLOC_LEN=0x800000 CONFIG_NR_DRAM_BANKS=1 CONFIG_ENV_SIZE=0x20000 @@ -20,3 +21,6 @@ CONFIG_CMD_NVEDIT_EFI=y CONFIG_SYS_RELOC_GD_ENV_ADDR=y CONFIG_DM_MTD=y CONFIG_SYS_MAX_FLASH_BANKS=2 +# CONFIG_SERIAL_PUTS is not set +CONFIG_SERIAL_PROBE_ALL=y +CONFIG_SEMIHOSTING_SERIAL=y diff --git a/configs/qemu-riscv32_smode_defconfig b/configs/qemu-riscv32_smode_defconfig index 1c5a0617aa..91e4ffebc2 100644 --- a/configs/qemu-riscv32_smode_defconfig +++ b/configs/qemu-riscv32_smode_defconfig @@ -1,4 +1,5 @@ CONFIG_RISCV=y +CONFIG_SEMIHOSTING=y CONFIG_SYS_MALLOC_LEN=0x800000 CONFIG_NR_DRAM_BANKS=1 CONFIG_ENV_SIZE=0x20000 @@ -21,4 +22,7 @@ CONFIG_CMD_NVEDIT_EFI=y CONFIG_SYS_RELOC_GD_ENV_ADDR=y CONFIG_DM_MTD=y CONFIG_SYS_MAX_FLASH_BANKS=2 +# CONFIG_SERIAL_PUTS is not set +CONFIG_SERIAL_PROBE_ALL=y +CONFIG_SEMIHOSTING_SERIAL=y CONFIG_SYSRESET_SBI=y diff --git a/configs/qemu-riscv32_spl_defconfig b/configs/qemu-riscv32_spl_defconfig index 2421c9a371..90dbc329e0 100644 --- a/configs/qemu-riscv32_spl_defconfig +++ b/configs/qemu-riscv32_spl_defconfig @@ -1,4 +1,6 @@ CONFIG_RISCV=y +CONFIG_SEMIHOSTING=y +CONFIG_SPL_SEMIHOSTING=y CONFIG_SYS_MALLOC_LEN=0x800000 CONFIG_NR_DRAM_BANKS=1 CONFIG_ENV_SIZE=0x20000 @@ -25,5 +27,8 @@ CONFIG_SYS_BOOTM_LEN=0x4000000 CONFIG_SYS_RELOC_GD_ENV_ADDR=y CONFIG_DM_MTD=y CONFIG_SYS_MAX_FLASH_BANKS=2 +# CONFIG_SERIAL_PUTS is not set +CONFIG_SERIAL_PROBE_ALL=y +CONFIG_SEMIHOSTING_SERIAL=y CONFIG_SYSRESET_SBI=y # CONFIG_BINMAN_FDT is not set diff --git a/configs/qemu-riscv64_defconfig b/configs/qemu-riscv64_defconfig index d5eae95c80..87478f4481 100644 --- a/configs/qemu-riscv64_defconfig +++ b/configs/qemu-riscv64_defconfig @@ -1,4 +1,5 @@ CONFIG_RISCV=y +CONFIG_SEMIHOSTING=y CONFIG_SYS_MALLOC_LEN=0x800000 CONFIG_NR_DRAM_BANKS=1 CONFIG_ENV_SIZE=0x20000 @@ -21,3 +22,6 @@ CONFIG_CMD_NVEDIT_EFI=y CONFIG_SYS_RELOC_GD_ENV_ADDR=y CONFIG_DM_MTD=y CONFIG_SYS_MAX_FLASH_BANKS=2 +# CONFIG_SERIAL_PUTS is not set +CONFIG_SERIAL_PROBE_ALL=y +CONFIG_SEMIHOSTING_SERIAL=y diff --git a/configs/qemu-riscv64_smode_defconfig b/configs/qemu-riscv64_smode_defconfig index 2861d07f97..5e9d6af3be 100644 --- a/configs/qemu-riscv64_smode_defconfig +++ b/configs/qemu-riscv64_smode_defconfig @@ -1,4 +1,5 @@ CONFIG_RISCV=y +CONFIG_SEMIHOSTING=y CONFIG_SYS_MALLOC_LEN=0x800000 CONFIG_NR_DRAM_BANKS=1 CONFIG_ENV_SIZE=0x20000 @@ -24,4 +25,7 @@ CONFIG_CMD_NVEDIT_EFI=y CONFIG_SYS_RELOC_GD_ENV_ADDR=y CONFIG_DM_MTD=y CONFIG_SYS_MAX_FLASH_BANKS=2 +# CONFIG_SERIAL_PUTS is not set +CONFIG_SERIAL_PROBE_ALL=y +CONFIG_SEMIHOSTING_SERIAL=y CONFIG_SYSRESET_SBI=y diff --git a/configs/qemu-riscv64_spl_defconfig b/configs/qemu-riscv64_spl_defconfig index 1ecfa27ce2..fb951293dd 100644 --- a/configs/qemu-riscv64_spl_defconfig +++ b/configs/qemu-riscv64_spl_defconfig @@ -1,4 +1,6 @@ CONFIG_RISCV=y +CONFIG_SEMIHOSTING=y +CONFIG_SPL_SEMIHOSTING=y CONFIG_SYS_MALLOC_LEN=0x800000 CONFIG_NR_DRAM_BANKS=1 CONFIG_ENV_SIZE=0x20000 @@ -25,5 +27,8 @@ CONFIG_SYS_BOOTM_LEN=0x4000000 CONFIG_SYS_RELOC_GD_ENV_ADDR=y CONFIG_DM_MTD=y CONFIG_SYS_MAX_FLASH_BANKS=2 +# CONFIG_SERIAL_PUTS is not set +CONFIG_SERIAL_PROBE_ALL=y +CONFIG_SEMIHOSTING_SERIAL=y CONFIG_SYSRESET_SBI=y # CONFIG_BINMAN_FDT is not set diff --git a/include/configs/qemu-riscv.h b/include/configs/qemu-riscv.h index d81e5d6c86..257d9c5d93 100644 --- a/include/configs/qemu-riscv.h +++ b/include/configs/qemu-riscv.h @@ -48,4 +48,6 @@ "ramdisk_addr_r=0x8c300000\0" \ BOOTENV +# define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.itb" + #endif /* __CONFIG_H */
To use semihosting on qemu RISCV virt machine, we need the CONFIG_SPL_FS_LOAD_PAYLOAD_NAME define in qemu-riscv.h. We also need to enable the following configs in defconfigs: CONFIG_SEMIHOSTING CONFIG_SPL_SEMIHOSTING CONFIG_SEMIHOSTING_SERIAL CONFIG_SERIAL_PROBE_ALL Signed-off-by: Kautuk Consul <kconsul@ventanamicro.com> --- configs/qemu-riscv32_defconfig | 4 ++++ configs/qemu-riscv32_smode_defconfig | 4 ++++ configs/qemu-riscv32_spl_defconfig | 5 +++++ configs/qemu-riscv64_defconfig | 4 ++++ configs/qemu-riscv64_smode_defconfig | 4 ++++ configs/qemu-riscv64_spl_defconfig | 5 +++++ include/configs/qemu-riscv.h | 2 ++ 7 files changed, 28 insertions(+)