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| author | Helge Deller <deller@gmx.de> | 2023-09-13 10:40:12 +0200 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2023-09-15 17:34:38 +0200 |
| commit | 6d1ef68ccafc7989e73b499b617f97d96ea34ac1 (patch) | |
| tree | 9de9d5e0813291a030d14a81cf8f0432ed51c7b7 /hw/hppa | |
| parent | 711212ac136daa954d51b3d7e3c0df54aa3da63d (diff) | |
| download | qemu-6d1ef68ccafc7989e73b499b617f97d96ea34ac1.zip qemu-6d1ef68ccafc7989e73b499b617f97d96ea34ac1.tar.gz qemu-6d1ef68ccafc7989e73b499b617f97d96ea34ac1.tar.bz2 | |
target/hppa: Report and clear BTLBs via fw_cfg at startup
Report the new number of TLB entries (without BTLBs) to the
guest and drop reporting of BTLB entries which weren't used at all.
Clear all BTLB and TLB entries at machine reset.
Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'hw/hppa')
| -rw-r--r-- | hw/hppa/machine.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/hw/hppa/machine.c b/hw/hppa/machine.c index 866e11d..cf28cb9 100644 --- a/hw/hppa/machine.c +++ b/hw/hppa/machine.c @@ -133,14 +133,10 @@ static FWCfgState *create_fw_cfg(MachineState *ms) fw_cfg_add_file(fw_cfg, "/etc/firmware-min-version", g_memdup(&val, sizeof(val)), sizeof(val)); - val = cpu_to_le64(HPPA_TLB_ENTRIES); + val = cpu_to_le64(HPPA_TLB_ENTRIES - HPPA_BTLB_ENTRIES); fw_cfg_add_file(fw_cfg, "/etc/cpu/tlb_entries", g_memdup(&val, sizeof(val)), sizeof(val)); - val = cpu_to_le64(HPPA_BTLB_ENTRIES); - fw_cfg_add_file(fw_cfg, "/etc/cpu/btlb_entries", - g_memdup(&val, sizeof(val)), sizeof(val)); - val = cpu_to_le64(HPA_POWER_BUTTON); fw_cfg_add_file(fw_cfg, "/etc/power-button-addr", g_memdup(&val, sizeof(val)), sizeof(val)); @@ -433,6 +429,10 @@ static void hppa_machine_reset(MachineState *ms, ShutdownCause reason) cs->exception_index = -1; cs->halted = 0; + + /* clear any existing TLB and BTLB entries */ + memset(cpu[i]->env.tlb, 0, sizeof(cpu[i]->env.tlb)); + cpu[i]->env.tlb_last = HPPA_BTLB_ENTRIES; } /* already initialized by machine_hppa_init()? */ |