From: Richard Henderson <richard.henderson@linaro.org>
To: Deepak Gupta <debug@rivosinc.com>,
qemu-devel@nongnu.org, qemu-riscv@nongnu.org
Cc: pbonzini@redhat.com, palmer@dabbelt.com,
Alistair.Francis@wdc.com, laurent@vivier.eu, bmeng.cn@gmail.com,
liwei1518@gmail.com, dbarboza@ventanamicro.com,
zhiwei_liu@linux.alibaba.com, Jim Shu <jim.shu@sifive.com>,
Andy Chiu <andy.chiu@sifive.com>
Subject: Re: [PATCH v3 07/20] target/riscv: zicfilp `lpad` impl and branch tracking
Date: Wed, 7 Aug 2024 12:04:54 +1000 [thread overview]
Message-ID: <1578c6f7-23e5-4077-b4ac-9b3af4b97dcb@linaro.org> (raw)
In-Reply-To: <20240807000652.1417776-8-debug@rivosinc.com>
On 8/7/24 10:06, Deepak Gupta wrote:
> +++ b/target/riscv/insn32.decode
> @@ -40,6 +40,7 @@
> %imm_z6 26:1 15:5
> %imm_mop5 30:1 26:2 20:2
> %imm_mop3 30:1 26:2
> +%imm_cfi20 12:20
>
> # Argument sets:
> &empty
> @@ -123,7 +124,10 @@ sfence_vm 0001000 00100 ..... 000 00000 1110011 @sfence_vm
>
> # *** RV32I Base Instruction Set ***
> lui .................... ..... 0110111 @u
> -auipc .................... ..... 0010111 @u
> +{
> + lpad .................... 00000 0010111 %imm_cfi20
IMO, better as
lpad imm:20 00000 0010111
without the %imm_cfi20 indirection.
r~
next prev parent reply other threads:[~2024-08-07 2:05 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-07 0:06 [PATCH v3 00/20] riscv support for control flow integrity extensions Deepak Gupta
2024-08-07 0:06 ` [PATCH v3 01/20] accel/tcg: restrict assert on icount_enabled to qemu-system Deepak Gupta
2024-08-07 0:48 ` Richard Henderson
2024-08-07 18:45 ` Deepak Gupta
2024-08-12 17:41 ` Deepak Gupta
2024-08-07 0:06 ` [PATCH v3 02/20] target/riscv: Add zicfilp extension Deepak Gupta
2024-08-07 0:06 ` [PATCH v3 03/20] target/riscv: Introduce elp state and enabling controls for zicfilp Deepak Gupta
2024-08-07 0:56 ` Richard Henderson
2024-08-07 18:46 ` Deepak Gupta
2024-08-07 0:06 ` [PATCH v3 04/20] target/riscv: save and restore elp state on priv transitions Deepak Gupta
2024-08-07 1:06 ` Richard Henderson
2024-08-07 20:11 ` Deepak Gupta
2024-08-07 22:40 ` Richard Henderson
2024-08-07 22:58 ` Deepak Gupta
2024-08-07 0:06 ` [PATCH v3 05/20] target/riscv: additional code information for sw check Deepak Gupta
2024-08-07 1:11 ` Richard Henderson
2024-08-07 0:06 ` [PATCH v3 06/20] target/riscv: tracking indirect branches (fcfi) for zicfilp Deepak Gupta
2024-08-07 1:23 ` Richard Henderson
2024-08-07 20:15 ` Deepak Gupta
2024-08-07 0:06 ` [PATCH v3 07/20] target/riscv: zicfilp `lpad` impl and branch tracking Deepak Gupta
2024-08-07 2:01 ` Richard Henderson
2024-08-07 2:04 ` Richard Henderson [this message]
2024-08-07 0:06 ` [PATCH v3 08/20] disas/riscv: enabled `lpad` disassembly Deepak Gupta
2024-08-07 2:06 ` Richard Henderson
2024-08-07 0:06 ` [PATCH v3 09/20] target/riscv: Add zicfiss extension Deepak Gupta
2024-08-07 0:06 ` [PATCH v3 10/20] target/riscv: introduce ssp and enabling controls for zicfiss Deepak Gupta
2024-08-07 2:11 ` Richard Henderson
2024-08-07 2:12 ` Richard Henderson
2024-08-07 20:21 ` Deepak Gupta
2024-08-07 0:06 ` [PATCH v3 11/20] target/riscv: tb flag for shadow stack instructions Deepak Gupta
2024-08-07 2:13 ` Richard Henderson
2024-08-07 0:06 ` [PATCH v3 12/20] target/riscv: implement zicfiss instructions Deepak Gupta
2024-08-07 2:39 ` Richard Henderson
2024-08-07 2:56 ` Richard Henderson
2024-08-07 21:25 ` Deepak Gupta
2024-08-07 20:35 ` Deepak Gupta
2024-08-07 0:06 ` [PATCH v3 13/20] target/riscv: compressed encodings for sspush and sspopchk Deepak Gupta
2024-08-07 2:40 ` Richard Henderson
2024-08-07 0:06 ` [PATCH v3 14/20] target/riscv: mmu changes for zicfiss shadow stack protection Deepak Gupta
2024-08-07 3:19 ` Richard Henderson
2024-08-09 18:55 ` Deepak Gupta
2024-08-11 22:23 ` Richard Henderson
2024-08-07 0:06 ` [PATCH v3 15/20] target/riscv: shadow stack mmu index for shadow stack instructions Deepak Gupta
2024-08-07 2:43 ` Richard Henderson
2024-08-07 21:23 ` Deepak Gupta
2024-08-07 22:57 ` Richard Henderson
2024-08-07 23:13 ` Deepak Gupta
2024-08-07 0:06 ` [PATCH v3 16/20] disas/riscv: enable disassembly for zicfiss instructions Deepak Gupta
2024-08-07 3:24 ` Richard Henderson
2024-08-07 0:06 ` [PATCH v3 17/20] disas/riscv: enable disassembly for compressed sspush/sspopchk Deepak Gupta
2024-08-07 0:06 ` [PATCH v3 18/20] target/riscv: add trace-hooks for each case of sw-check exception Deepak Gupta
2024-08-07 3:27 ` Richard Henderson
2024-08-07 20:52 ` Deepak Gupta
2024-08-07 0:06 ` [PATCH v3 19/20] linux-user: permit RISC-V CFI dynamic entry in VDSO Deepak Gupta
2024-08-07 3:36 ` Richard Henderson
2024-08-07 20:53 ` Deepak Gupta
2024-08-07 0:06 ` [PATCH v3 20/20] linux-user: Add RISC-V zicfilp support " Deepak Gupta
2024-08-07 3:41 ` Richard Henderson
2024-08-07 21:00 ` Deepak Gupta
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