diff options
Diffstat (limited to 'arch/riscv64/gen')
| -rw-r--r-- | arch/riscv64/gen/asm-offsets.c | 44 | ||||
| -rw-r--r-- | arch/riscv64/gen/source.mk | 8 |
2 files changed, 52 insertions, 0 deletions
diff --git a/arch/riscv64/gen/asm-offsets.c b/arch/riscv64/gen/asm-offsets.c new file mode 100644 index 0000000..d78e0ec --- /dev/null +++ b/arch/riscv64/gen/asm-offsets.c @@ -0,0 +1,44 @@ +#include <apos/utils.h> +#include <regs.h> + +/* largely based on linux */ +#define DEFINE(sym, val) \ + __asm__ volatile("\n-> " #sym " %0 " #val "\n" ::"i"(val)) +#define OFFSETOF(m, s) DEFINE(offsetof_##m, offsetof(s, m)) +#define SIZEOF(n, s) DEFINE(sizeof_##n, sizeof(s)) + +void asm_offsets() +{ + OFFSETOF(ra, struct riscv_regs); + OFFSETOF(sp, struct riscv_regs); + OFFSETOF(tp, struct riscv_regs); + OFFSETOF(gp, struct riscv_regs); + OFFSETOF(t0, struct riscv_regs); + OFFSETOF(t1, struct riscv_regs); + OFFSETOF(t2, struct riscv_regs); + OFFSETOF(s0, struct riscv_regs); + OFFSETOF(s1, struct riscv_regs); + OFFSETOF(a0, struct riscv_regs); + OFFSETOF(a1, struct riscv_regs); + OFFSETOF(a2, struct riscv_regs); + OFFSETOF(a3, struct riscv_regs); + OFFSETOF(a4, struct riscv_regs); + OFFSETOF(a5, struct riscv_regs); + OFFSETOF(a6, struct riscv_regs); + OFFSETOF(a7, struct riscv_regs); + OFFSETOF(s2, struct riscv_regs); + OFFSETOF(s3, struct riscv_regs); + OFFSETOF(s4, struct riscv_regs); + OFFSETOF(s5, struct riscv_regs); + OFFSETOF(s6, struct riscv_regs); + OFFSETOF(s7, struct riscv_regs); + OFFSETOF(s8, struct riscv_regs); + OFFSETOF(s9, struct riscv_regs); + OFFSETOF(s10, struct riscv_regs); + OFFSETOF(s11, struct riscv_regs); + OFFSETOF(t3, struct riscv_regs); + OFFSETOF(t4, struct riscv_regs); + OFFSETOF(t5, struct riscv_regs); + OFFSETOF(t6, struct riscv_regs); + SIZEOF(registers, struct riscv_regs); +} diff --git a/arch/riscv64/gen/source.mk b/arch/riscv64/gen/source.mk new file mode 100644 index 0000000..d291983 --- /dev/null +++ b/arch/riscv64/gen/source.mk @@ -0,0 +1,8 @@ +$(ARCH_SOURCE)/include/gen/asm-offsets.h: $(ARCH_SOURCE)/gen/asm-offsets.c + echo "#ifndef APOS_ASM_OFFSETS_H" > $@ + echo "#define APOS_ASM_OFFSETS_H" >> $@ + $(COMPILER) $(INCLUDE_FLAGS) -S $< -o - |\ + awk '($$1 == "->") { print "#define " $$2 " " $$3 }' >> $@ + echo "#endif /* APOS_ASM_OFFSETS_H */" >> $@ + +CLEANUP += $(ARCH_SOURCE)/include/gen/* |