OpenE2K/qemu-e2k
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372dbdb90c
qemu-e2k/target/ppc
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Nicholas Piggin 372dbdb90c target/ppc: 4xx don't flush TLB for a newly written software TLB entry 
BookE software TLB is implemented by flushing old translations from the
relevant TCG TLB whenever software TLB entries change. This means a new
software TLB entry should not have any corresponding cached TCG TLB
translations, so there is nothing to flush. The exception is multiple
software TLBs that cover the same address and address space, but that is
a programming error and results in undefined behaviour, and flushing
does not give an obviously better outcome in that case either.

Remove the unnecessary flush of a newly written software TLB entry.

Tested-by: BALATON Zoltan <balaton@eik.bme.hu>
Acked-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
2024-02-23 23:24:43 +10:00
..
translate target/ppc: Fix lxv/stxv MSR facility check 2024-02-23 23:16:34 +10:00
arch_dump.c target: ppc: Use MSR_HVB bit to get the target endianness for memory dump 2023-07-07 04:46:12 -03:00
compat.c spapr: Fix machine reset deadlock from replay-record 2023-09-06 11:19:33 +02:00
cpu_init.c target/ppc: Rename registers to match ISA 2024-02-23 23:24:32 +10:00
cpu-models.c target/ppc/cpu-models: Rename power5+ and power7+ for new QOM naming rules 2024-02-05 14:21:21 +01:00
cpu-models.h ppc: spelling fixes 2023-09-20 07:54:34 +03:00
cpu-param.h target/ppc: Remove NB_MMU_MODES define 2023-03-13 06:44:37 -07:00
cpu-qom.h target/ppc: Move powerpc_input_t definition to 'cpu.h' 2023-11-07 12:13:28 +01:00
cpu.c target/ppc: Flush inputs to zero with NJ in ppc_store_vscr 2023-09-06 11:19:33 +02:00
cpu.h target/ppc: Implement core timebase state machine and TFMR 2024-02-23 23:24:43 +10:00
dfp_helper.c target/ppc: Fix warning with clang-15 2023-02-27 22:29:01 +01:00
excp_helper.c target/ppc: Fix crash on machine check caused by ifetch 2024-02-23 23:16:34 +10:00
fpu_helper.c target/ppc: Fix bugs in VSX_CVT_FP_TO_INT and VSX_CVT_FP_TO_INT2 macros 2023-11-21 08:39:58 +01:00
gdbstub.c target/ppc: Update gdbstub to read SPR's CFAR, DEC, HDEC, TB-L/U 2024-02-23 23:24:43 +10:00
helper_regs.c target/ppc: Fix move-to timebase SPR access permissions 2024-02-23 23:24:43 +10:00
helper_regs.h target/ppc: Fix PMU hflags calculation 2023-06-10 10:19:24 -03:00
helper.h target/ppc: Implement watchpoint debug facility for v2.07S 2023-09-06 11:19:32 +02:00
insn32.decode target/ppc: Fix fallback to MFSS for MFFS* instructions on pre 3.0 ISAs 2023-05-27 08:25:19 -03:00
insn64.decode
int_helper.c target/ppc: Rename variables to avoid local variable shadowing in VUPKPX 2023-10-06 10:56:54 +02:00
internal.h target/ppc: Define powerpc_pm_insn_t in 'internal.h' 2023-11-07 12:13:28 +01:00
Kconfig
kvm_ppc.h target/ppc: Prohibit target specific KVM prototypes on user emulation 2023-11-07 12:13:28 +01:00
kvm.c system/cpus: rename qemu_mutex_lock_iothread() to bql_lock() 2024-01-08 10:45:43 -05:00
machine.c target/ppc: Constify VMState in machine.c 2023-12-29 11:17:30 +11:00
mem_helper.c target/ppc: Split out ppc_env_mmu_index 2024-02-03 16:46:10 +10:00
meson.build target/ppc: Restrict KVM objects to system emulation 2023-11-07 12:13:28 +01:00
misc_helper.c system/cpus: rename qemu_mutex_lock_iothread() to bql_lock() 2024-01-08 10:45:43 -05:00
mmu_common.c target/ppc: Split out ppc_env_mmu_index 2024-02-03 16:46:10 +10:00
mmu_helper.c target/ppc: 4xx don't flush TLB for a newly written software TLB entry 2024-02-23 23:24:43 +10:00
mmu-book3s-v3.c
mmu-book3s-v3.h
mmu-books.h
mmu-hash32.c bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx 2023-01-18 11:14:34 +01:00
mmu-hash32.h
mmu-hash64.c target/ppc: Fix VRMA page size for ISA v3.0 2023-08-04 12:22:03 -03:00
mmu-hash64.h target/ppc: Fix VRMA page size for ISA v3.0 2023-08-04 12:22:03 -03:00
mmu-radix64.c target/ppc: Generate storage interrupts for radix RC changes 2023-09-06 11:19:32 +02:00
mmu-radix64.h
power8-pmu-regs.c.inc tcg: Rename cpu_env to tcg_env 2023-10-03 08:01:02 -07:00
power8-pmu.c target/helpers: Remove unnecessary 'qemu/main-loop.h' header 2023-08-31 19:47:43 +02:00
power8-pmu.h target/ppc: Fix PMU hflags calculation 2023-06-10 10:19:24 -03:00
ppc-qmp-cmds.c target/ppc: Rename TBL to TB on 64-bit 2024-02-23 23:24:43 +10:00
spr_common.h target/ppc: Implement watchpoint debug facility for v2.07S 2023-09-06 11:19:32 +02:00
tcg-stub.c hw/ppc/spapr_hcall: Allow elision of softmmu_resize_hpt_prep 2024-02-23 23:24:42 +10:00
timebase_helper.c target/ppc: Add SMT support to time facilities 2024-02-23 23:24:43 +10:00
trace-events
trace.h
translate.c target/ppc: Add SMT support to time facilities 2024-02-23 23:24:43 +10:00
user_only_helper.c