From: Peter Maydell <peter.maydell@linaro.org>
To: Richard Henderson <richard.henderson@linaro.org>
Cc: marex@denx.de, amir.gonnen@neuroblade.ai, qemu-devel@nongnu.org
Subject: Re: [PATCH for-7.1 v6 21/51] target/nios2: Clean up nios2_cpu_do_interrupt
Date: Thu, 17 Mar 2022 15:24:24 +0000 [thread overview]
Message-ID: <CAFEAcA-nn4YC9WO5ajEaZhcqi-9obCZBkOwnmZ35yo7hu6+A3Q@mail.gmail.com> (raw)
In-Reply-To: <20220317050538.924111-22-richard.henderson@linaro.org>
On Thu, 17 Mar 2022 at 05:46, Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> Split out do_exception and do_iic_irq to handle bulk of the interrupt and
> exception processing. Parameterize the changes required to cpu state.
>
> The status.EH bit, which protects some data against double-faults,
> is only present with the MMU. Several exception cases did not check
> for status.EH being set, as required.
>
> The status.IH bit, which had been set by EXCP_IRQ, is exclusive to
> the external interrupt controller, which we do not yet implement.
> The internal interrupt controller, when the MMU is also present,
> sets the status.EH bit.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
thanks
-- PMM
next prev parent reply other threads:[~2022-03-17 15:26 UTC|newest]
Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-17 5:04 [PATCH for-7.1 v6 00/51] target/nios2: Shadow register set, EIC and VIC Richard Henderson
2022-03-17 5:04 ` [PATCH for-7.1 v6 01/51] tcg: Fix indirect lowering vs TCG_OPF_COND_BRANCH Richard Henderson
2022-03-17 13:38 ` Peter Maydell
2022-03-17 5:04 ` [PATCH for-7.1 v6 02/51] target/nios2: Check supervisor on eret Richard Henderson
2022-03-17 5:04 ` [PATCH for-7.1 v6 03/51] target/nios2: Stop generating code if gen_check_supervisor fails Richard Henderson
2022-03-17 5:04 ` [PATCH for-7.1 v6 04/51] target/nios2: Add NUM_GP_REGS and NUM_CP_REGS Richard Henderson
2022-03-17 5:04 ` [PATCH for-7.1 v6 05/51] target/nios2: Split PC out of env->regs[] Richard Henderson
2022-03-17 5:04 ` [PATCH for-7.1 v6 06/51] target/nios2: Split out helper for eret instruction Richard Henderson
2022-03-17 5:04 ` [PATCH for-7.1 v6 07/51] target/nios2: Fix BRET instruction Richard Henderson
2022-03-17 5:04 ` [PATCH for-7.1 v6 08/51] target/nios2: Do not create TCGv for control registers Richard Henderson
2022-03-17 5:04 ` [PATCH for-7.1 v6 09/51] linux-user/nios2: Only initialize SP and PC in target_cpu_copy_regs Richard Henderson
2022-03-17 5:04 ` [PATCH for-7.1 v6 10/51] target/nios2: Remove cpu_interrupts_enabled Richard Henderson
2022-03-17 5:04 ` [PATCH for-7.1 v6 11/51] target/nios2: Split control registers away from general registers Richard Henderson
2022-03-17 5:04 ` [PATCH for-7.1 v6 12/51] target/nios2: Clean up nios2_cpu_dump_state Richard Henderson
2022-03-17 5:05 ` [PATCH for-7.1 v6 13/51] target/nios2: Use hw/registerfields.h for CR_STATUS fields Richard Henderson
2022-03-17 15:13 ` Peter Maydell
2022-03-17 5:05 ` [PATCH for-7.1 v6 14/51] target/nios2: Use hw/registerfields.h for CR_EXCEPTION fields Richard Henderson
2022-03-17 5:05 ` [PATCH for-7.1 v6 15/51] target/nios2: Use hw/registerfields.h for CR_TLBADDR fields Richard Henderson
2022-03-17 5:05 ` [PATCH for-7.1 v6 16/51] target/nios2: Use hw/registerfields.h for CR_TLBACC fields Richard Henderson
2022-03-17 5:05 ` [PATCH for-7.1 v6 17/51] target/nios2: Rename CR_TLBMISC_WR to CR_TLBMISC_WE Richard Henderson
2022-03-17 5:05 ` [PATCH for-7.1 v6 18/51] target/nios2: Use hw/registerfields.h for CR_TLBMISC fields Richard Henderson
2022-03-17 15:15 ` Peter Maydell
2022-03-17 5:05 ` [PATCH for-7.1 v6 19/51] target/nios2: Move R_FOO and CR_BAR into enumerations Richard Henderson
2022-03-17 5:05 ` [PATCH for-7.1 v6 20/51] target/nios2: Create EXCP_SEMIHOST for semi-hosting Richard Henderson
2022-03-17 5:05 ` [PATCH for-7.1 v6 21/51] target/nios2: Clean up nios2_cpu_do_interrupt Richard Henderson
2022-03-17 15:24 ` Peter Maydell [this message]
2022-03-17 5:05 ` [PATCH for-7.1 v6 22/51] target/nios2: Hoist CPU_LOG_INT logging Richard Henderson
2022-03-17 15:25 ` Peter Maydell
2022-03-17 5:05 ` [PATCH for-7.1 v6 23/51] target/nios2: Handle EXCP_UNALIGN and EXCP_UALIGND Richard Henderson
2022-03-17 15:27 ` Peter Maydell
2022-03-17 16:47 ` Richard Henderson
2022-03-17 5:05 ` [PATCH for-7.1 v6 24/51] target/nios2: Cleanup set of CR_EXCEPTION for do_interrupt Richard Henderson
2022-03-17 15:28 ` Peter Maydell
2022-03-17 5:05 ` [PATCH for-7.1 v6 25/51] target/nios2: Clean up handling of tlbmisc in do_exception Richard Henderson
2022-03-17 15:41 ` Peter Maydell
2022-03-17 17:01 ` Richard Henderson
2022-03-17 5:05 ` [PATCH for-7.1 v6 26/51] target/nios2: Prevent writes to read-only or reserved control fields Richard Henderson
2022-03-17 15:49 ` Peter Maydell
2022-03-17 17:16 ` Richard Henderson
2022-03-17 5:05 ` [PATCH for-7.1 v6 27/51] target/nios2: Implement cpuid Richard Henderson
2022-03-17 5:05 ` [PATCH for-7.1 v6 28/51] target/nios2: Implement CR_STATUS.RSIE Richard Henderson
2022-03-17 5:05 ` [PATCH for-7.1 v6 29/51] target/nios2: Remove CPU_INTERRUPT_NMI Richard Henderson
2022-03-17 5:05 ` [PATCH for-7.1 v6 30/51] target/nios2: Support division error exception Richard Henderson
2022-03-17 15:52 ` Peter Maydell
2022-03-17 5:05 ` [PATCH for-7.1 v6 31/51] target/nios2: Use tcg_constant_tl Richard Henderson
2022-03-17 5:05 ` [PATCH for-7.1 v6 32/51] target/nios2: Introduce dest_gpr Richard Henderson
2022-03-17 5:05 ` [PATCH for-7.1 v6 33/51] target/nios2: Drop CR_STATUS_EH from tb->flags Richard Henderson
2022-03-17 5:05 ` [PATCH for-7.1 v6 34/51] target/nios2: Enable unaligned traps for system mode Richard Henderson
2022-03-17 16:06 ` Peter Maydell
2022-03-17 5:05 ` [PATCH for-7.1 v6 35/51] target/nios2: Create gen_jumpr Richard Henderson
2022-03-17 16:24 ` Peter Maydell
2022-03-17 5:05 ` [PATCH for-7.1 v6 36/51] target/nios2: Hoist set of is_jmp into gen_goto_tb Richard Henderson
2022-03-17 16:25 ` Peter Maydell
2022-03-17 5:05 ` [PATCH for-7.1 v6 37/51] target/nios2: Use gen_goto_tb for DISAS_TOO_MANY Richard Henderson
2022-03-17 16:28 ` Peter Maydell
2022-03-17 5:05 ` [PATCH for-7.1 v6 38/51] target/nios2: Use tcg_gen_lookup_and_goto_ptr Richard Henderson
2022-03-17 16:29 ` Peter Maydell
2022-03-17 5:05 ` [PATCH for-7.1 v6 39/51] target/nios2: Implement Misaligned destination exception Richard Henderson
2022-03-17 16:37 ` Peter Maydell
2022-03-17 17:41 ` Richard Henderson
2022-03-17 5:05 ` [PATCH for-7.1 v6 40/51] linux-user/nios2: Handle various SIGILL exceptions Richard Henderson
2022-03-17 16:38 ` Peter Maydell
2022-03-17 5:05 ` [PATCH for-7.1 v6 41/51] target/nios2: Introduce shadow register sets Richard Henderson
2022-03-17 18:33 ` Peter Maydell
2022-03-17 19:31 ` Richard Henderson
2022-03-17 5:05 ` [PATCH for-7.1 v6 42/51] target/nios2: Implement rdprs, wrprs Richard Henderson
2022-03-17 18:47 ` Peter Maydell
2022-03-17 5:05 ` [PATCH for-7.1 v6 43/51] target/nios2: Update helper_eret for shadow registers Richard Henderson
2022-03-17 18:53 ` Peter Maydell
2022-03-17 5:05 ` [PATCH for-7.1 v6 44/51] target/nios2: Implement EIC interrupt processing Richard Henderson
2022-03-17 19:11 ` Peter Maydell
2022-03-17 19:54 ` Richard Henderson
2022-03-17 5:05 ` [PATCH for-7.1 v6 45/51] hw/intc: Vectored Interrupt Controller (VIC) Richard Henderson
2022-03-17 5:05 ` [PATCH for-7.1 v6 46/51] hw/nios2: Introduce Nios2MachineState Richard Henderson
2022-03-17 5:05 ` [PATCH for-7.1 v6 47/51] hw/nios2: Move memory regions into Nios2Machine Richard Henderson
2022-03-17 5:05 ` [PATCH for-7.1 v6 48/51] hw/nios2: Machine with a Vectored Interrupt Controller Richard Henderson
2022-03-17 5:05 ` [PATCH for-7.1 v6 49/51] tests/tcg: Expose AR to test build environment if needed Richard Henderson
2022-03-17 5:05 ` [PATCH for-7.1 v6 50/51] test/tcg/nios2: Add semihosting multiarch tests Richard Henderson
2022-03-17 5:05 ` [PATCH for-7.1 v6 51/51] tests/tcg/nios2: Add test-shadow-1 Richard Henderson
2022-03-22 12:17 ` [PATCH for-7.1 v6 00/51] target/nios2: Shadow register set, EIC and VIC Amir Gonnen
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