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| author | cheapie <no-email-for-you@example.com> | 2026-05-25 14:01:06 -0500 |
|---|---|---|
| committer | cheapie <no-email-for-you@example.com> | 2026-05-25 14:01:06 -0500 |
| commit | 2ecf97e382b4aff25bb97ea730a0c36d08747998 (patch) | |
| tree | 766ba234b73390a78cc3eae8ad3a2c09df7faead /c/rvcontroller-libraries | |
| parent | 6ecdb461c1a823f9c2ff007457ee9963d7e1f681 (diff) | |
| download | rvcontroller-2ecf97e382b4aff25bb97ea730a0c36d08747998.tar rvcontroller-2ecf97e382b4aff25bb97ea730a0c36d08747998.tar.gz rvcontroller-2ecf97e382b4aff25bb97ea730a0c36d08747998.tar.bz2 rvcontroller-2ecf97e382b4aff25bb97ea730a0c36d08747998.tar.xz rvcontroller-2ecf97e382b4aff25bb97ea730a0c36d08747998.zip | |
Add big-endian railroad crossing sample and big-endian versions of libraries
Diffstat (limited to 'c/rvcontroller-libraries')
| -rw-r--r-- | c/rvcontroller-libraries/Makefile | 10 | ||||
| -rw-r--r-- | c/rvcontroller-libraries/rvcontroller-ecalls-be.o | bin | 0 -> 1292 bytes | |||
| -rw-r--r-- | c/rvcontroller-libraries/rvcontroller-init-be.S | 30 | ||||
| -rw-r--r-- | c/rvcontroller-libraries/rvcontroller-init-be.o | bin | 0 -> 928 bytes |
4 files changed, 38 insertions, 2 deletions
diff --git a/c/rvcontroller-libraries/Makefile b/c/rvcontroller-libraries/Makefile index eca2a8c..bd8752d 100644 --- a/c/rvcontroller-libraries/Makefile +++ b/c/rvcontroller-libraries/Makefile @@ -1,10 +1,16 @@ -all: rvcontroller-init.o rvcontroller-ecalls.o +all: rvcontroller-init.o rvcontroller-init-be.o rvcontroller-ecalls.o rvcontroller-ecalls-be.o rvcontroller-init.o: rvcontroller-init.S riscv32-none-elf-as -march=rv32imcb_zicsr_zbkx -o rvcontroller-init.o rvcontroller-init.S +rvcontroller-init-be.o: rvcontroller-init-be.S + riscv32be-none-elf-as -march=rv32imcb_zicsr_zbkx -o rvcontroller-init-be.o rvcontroller-init-be.S + rvcontroller-ecalls.o: rvcontroller-ecalls.S riscv32-none-elf-as -march=rv32imcb_zicsr_zbkx -o rvcontroller-ecalls.o rvcontroller-ecalls.S +rvcontroller-ecalls-be.o: rvcontroller-ecalls.S + riscv32be-none-elf-as -march=rv32imcb_zicsr_zbkx -o rvcontroller-ecalls-be.o rvcontroller-ecalls.S + clean: - rm -f rvcontroller-init.o rvcontroller-ecalls.o + rm -f rvcontroller-init.o rvcontroller-init-be.o rvcontroller-ecalls.o rvcontroller-ecalls-be.o diff --git a/c/rvcontroller-libraries/rvcontroller-ecalls-be.o b/c/rvcontroller-libraries/rvcontroller-ecalls-be.o Binary files differnew file mode 100644 index 0000000..92d830e --- /dev/null +++ b/c/rvcontroller-libraries/rvcontroller-ecalls-be.o diff --git a/c/rvcontroller-libraries/rvcontroller-init-be.S b/c/rvcontroller-libraries/rvcontroller-init-be.S new file mode 100644 index 0000000..86389c7 --- /dev/null +++ b/c/rvcontroller-libraries/rvcontroller-init-be.S @@ -0,0 +1,30 @@ +#Assembly stub for C programs targeting RVController - Big-endian Flavor +#A product of Advanced Mesecons Devices, a Cheapie Systems company +#This is free and unencumbered software released into the public domain. +#See http://unlicense.org/ for more information + +#This file should always be linked first. +#RVController has a default reset vector of 0, +#therefore _start should end up as the first thing in the file. + +.section .text.startup +_start: + +# Switch to big-endian mode (little-endian is default after reset) +li t0,0x20 # MBE +csrrs x0,0x310,t0 # 0x310 = mstatush + +# Set up stack pointer +li sp,0x10000 + +# Call main function +call main + +# Exit program +li a7,10 +ecall + +# Shouldn't ever get here, will crash if it does +ret + +.globl _start diff --git a/c/rvcontroller-libraries/rvcontroller-init-be.o b/c/rvcontroller-libraries/rvcontroller-init-be.o Binary files differnew file mode 100644 index 0000000..b0b782b --- /dev/null +++ b/c/rvcontroller-libraries/rvcontroller-init-be.o |