From: Jordan Niethe <jniethe5@gmail.com>
To: linuxppc-dev@lists.ozlabs.org
Cc: alistair@popple.id.au, Jordan Niethe <jniethe5@gmail.com>
Subject: [PATCH 09/18] powerpc sstep: Add support for prefixed fixed-point arithmetic
Date: Tue, 26 Nov 2019 16:21:32 +1100 [thread overview]
Message-ID: <20191126052141.28009-10-jniethe5@gmail.com> (raw)
In-Reply-To: <20191126052141.28009-1-jniethe5@gmail.com>
This adds emulation support for the following prefixed Fixed-Point
Arithmetic instructions:
* Prefixed Add Immediate (paddi)
Signed-off-by: Jordan Niethe <jniethe5@gmail.com>
---
arch/powerpc/lib/sstep.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c
index 9ae8d177b67f..1bb0c79cb774 100644
--- a/arch/powerpc/lib/sstep.c
+++ b/arch/powerpc/lib/sstep.c
@@ -2776,6 +2776,10 @@ int analyse_instr(struct instruction_op *op, const struct pt_regs *regs,
break;
op->ea = mlsd_8lsd_ea(instr, sufx, regs);
switch (sufxopcode) {
+ case 14: /* paddi */
+ op->type = COMPUTE | PREFIXED;
+ op->val = op->ea;
+ goto compute_done;
case 32: /* plwz */
op->type = MKOP(LOAD, PREFIXED, 4);
break;
--
2.20.1
next prev parent reply other threads:[~2019-11-26 5:42 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-26 5:21 [PATCH 00/18] Initial Prefixed Instruction support Jordan Niethe
2019-11-26 5:21 ` [PATCH 01/18] powerpc: Enable Prefixed Instructions Jordan Niethe
2019-11-26 5:21 ` [PATCH 02/18] powerpc: Add BOUNDARY SRR1 bit for future ISA version Jordan Niethe
2019-11-26 5:21 ` [PATCH 03/18] powerpc: Add PREFIXED " Jordan Niethe
2019-12-18 8:23 ` Daniel Axtens
2019-12-20 5:09 ` Jordan Niethe
2019-11-26 5:21 ` [PATCH 04/18] powerpc: Rename Bit 35 of SRR1 to indicate new purpose Jordan Niethe
2019-11-26 5:21 ` [PATCH 05/18] powerpc sstep: Prepare to support prefixed instructions Jordan Niethe
2019-12-18 8:35 ` Daniel Axtens
2019-12-20 5:11 ` Jordan Niethe
2019-12-20 5:40 ` Christophe Leroy
2019-12-18 14:15 ` Daniel Axtens
2019-12-20 5:17 ` Jordan Niethe
2020-01-07 3:01 ` Jordan Niethe
2020-01-13 6:18 ` Balamuruhan S
2020-02-06 23:12 ` Jordan Niethe
2019-11-26 5:21 ` [PATCH 06/18] powerpc sstep: Add support for prefixed integer load/stores Jordan Niethe
2020-01-10 10:38 ` Balamuruhan S
2020-02-07 0:18 ` Jordan Niethe
2020-01-10 15:13 ` Balamuruhan S
2020-02-07 0:20 ` Jordan Niethe
2019-11-26 5:21 ` [PATCH 07/18] powerpc sstep: Add support for prefixed floating-point load/stores Jordan Niethe
2019-11-26 5:21 ` [PATCH 08/18] powerpc sstep: Add support for prefixed VSX load/stores Jordan Niethe
2019-12-18 14:05 ` Daniel Axtens
2019-11-26 5:21 ` Jordan Niethe [this message]
2019-11-26 5:21 ` [PATCH 10/18] powerpc: Support prefixed instructions in alignment handler Jordan Niethe
2019-11-26 5:21 ` [PATCH 11/18] powerpc/traps: Check for prefixed instructions in facility_unavailable_exception() Jordan Niethe
2019-11-26 5:21 ` [PATCH 12/18] powerpc/xmon: Add initial support for prefixed instructions Jordan Niethe
2019-11-26 5:21 ` [PATCH 13/18] powerpc/xmon: Dump " Jordan Niethe
2019-11-26 5:21 ` [PATCH 14/18] powerpc/kprobes: Support kprobes on " Jordan Niethe
2020-01-14 7:19 ` Balamuruhan S
2020-01-16 6:09 ` Michael Ellerman
2019-11-26 5:21 ` [PATCH 15/18] powerpc/uprobes: Add support for " Jordan Niethe
2020-01-13 11:30 ` Balamuruhan S
2020-02-06 23:09 ` Jordan Niethe
2019-11-26 5:21 ` [PATCH 16/18] powerpc/hw_breakpoints: Initial " Jordan Niethe
2019-11-26 5:21 ` [PATCH 17/18] powerpc: Add prefix support to mce_find_instr_ea_and_pfn() Jordan Niethe
2019-11-26 5:21 ` [PATCH 18/18] powerpc/fault: Use analyse_instr() to check for store with updates to sp Jordan Niethe
2019-12-18 14:11 ` Daniel Axtens
2020-02-07 8:15 ` Greg Kurz
2020-02-08 0:28 ` Jordan Niethe
2019-12-03 4:31 ` [PATCH 00/18] Initial Prefixed Instruction support Andrew Donnellan
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