[PATCH 07/18] powerpc sstep: Add support for prefixed floating-point load/stores
From: Jordan Niethe <hidden>
Date: 2019-11-26 05:38:27
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
This adds emulation support for the follow prefixed floating-point load/stores: * Prefixed Load Floating-Point Single (plfs) * Prefixed Load Floating-Point Double (plfd) * Prefixed Store Floating-Point Single (pstfs) * Prefixed Store Floating-Point Double (pstfd) Signed-off-by: Jordan Niethe <redacted> --- arch/powerpc/lib/sstep.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c
index 4f5ad1f602d8..9113b9a21ae9 100644
--- a/arch/powerpc/lib/sstep.c
+++ b/arch/powerpc/lib/sstep.c@@ -2755,6 +2755,18 @@ int analyse_instr(struct instruction_op *op, const struct pt_regs *regs, case 44: /* psth */ op->type = MKOP(STORE, PREFIXED, 2); break; + case 48: /* plfs */ + op->type = MKOP(LOAD_FP, PREFIXED | FPCONV, 4); + break; + case 50: /* plfd */ + op->type = MKOP(LOAD_FP, PREFIXED, 8); + break; + case 52: /* pstfs */ + op->type = MKOP(STORE_FP, PREFIXED | FPCONV, 4); + break; + case 54: /* pstfd */ + op->type = MKOP(STORE_FP, PREFIXED, 8); + break; } break; case 3: /* Type 11 Modified Register-to-Register */
--
2.20.1