Lines Matching refs:fp
20 * RV32 fp => +----------+
22 * | saved fp | RV32 callee-saved registers
24 * +----------+ <= (fp - 4 * NR_SAVED_REGISTERS)
30 * BPF_REG_FP => +----------+ <= (fp - 4 * NR_SAVED_REGISTERS
59 /* Number of callee-saved registers stored to stack: ra, fp, s1--s7. */
62 /* Offset from fp for BPF registers stored on stack. */
1306 const s8 *fp = bpf2rv32[BPF_REG_FP];
1340 /* Set fp: used as the base address for stacked BPF registers. */
1344 emit(rv_addi(lo(fp), RV_REG_SP, bpf_stack_adjust), ctx);
1345 emit(rv_addi(hi(fp), RV_REG_ZERO, 0), ctx);