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[PULL 04/85] target/hppa: Always report one page to tlb_set_page
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From: |
Richard Henderson |
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Subject: |
[PULL 04/85] target/hppa: Always report one page to tlb_set_page |
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Date: |
Mon, 6 Nov 2023 19:02:46 -0800 |
No need to trigger the large_page_mask code unnecessarily.
Drop the now unused HPPATLBEntry.page_size field.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/hppa/cpu.h | 5 +++--
target/hppa/mem_helper.c | 11 +++++++++--
2 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/target/hppa/cpu.h b/target/hppa/cpu.h
index 84bb6edc60..1480d0237a 100644
--- a/target/hppa/cpu.h
+++ b/target/hppa/cpu.h
@@ -179,15 +179,16 @@ typedef struct HPPATLBEntry {
IntervalTreeNode itree;
target_ureg pa;
+
+ unsigned entry_valid : 1;
+
unsigned u : 1;
unsigned t : 1;
unsigned d : 1;
unsigned b : 1;
- unsigned page_size : 4;
unsigned ar_type : 3;
unsigned ar_pl1 : 2;
unsigned ar_pl2 : 2;
- unsigned entry_valid : 1;
unsigned access_id : 16;
} HPPATLBEntry;
diff --git a/target/hppa/mem_helper.c b/target/hppa/mem_helper.c
index 687ae44ed0..60cae646cc 100644
--- a/target/hppa/mem_helper.c
+++ b/target/hppa/mem_helper.c
@@ -268,9 +268,16 @@ bool hppa_cpu_tlb_fill(CPUState *cs, vaddr addr, int size,
trace_hppa_tlb_fill_success(env, addr & TARGET_PAGE_MASK,
phys & TARGET_PAGE_MASK, size, type, mmu_idx);
- /* Success! Store the translation into the QEMU TLB. */
+
+ /*
+ * Success! Store the translation into the QEMU TLB.
+ * Note that we always install a single-page entry, because that
+ * is what works best with softmmu -- anything else will trigger
+ * the large page protection mask. We do not require this,
+ * because we record the large page here in the hppa tlb.
+ */
tlb_set_page(cs, addr & TARGET_PAGE_MASK, phys & TARGET_PAGE_MASK,
- prot, mmu_idx, TARGET_PAGE_SIZE << (ent ? 2 * ent->page_size
: 0));
+ prot, mmu_idx, TARGET_PAGE_SIZE);
return true;
}
--
2.34.1
- [PULL 00/85] target/hppa patch queue, Richard Henderson, 2023/11/06
- [PULL 02/85] target/hppa: Rename hppa_tlb_entry to HPPATLBEntry, Richard Henderson, 2023/11/06
- [PULL 05/85] target/hppa: Split out hppa_flush_tlb_range, Richard Henderson, 2023/11/06
- [PULL 01/85] target/hppa: Include PSW_P in tb flags and mmu index, Richard Henderson, 2023/11/06
- [PULL 03/85] target/hppa: Use IntervalTreeNode in HPPATLBEntry, Richard Henderson, 2023/11/06
- [PULL 12/85] target/hppa: Truncate rotate count in trans_shrpw_sar, Richard Henderson, 2023/11/06
- [PULL 14/85] target/hppa: Fix do_add, do_sub for hppa64, Richard Henderson, 2023/11/06
- [PULL 04/85] target/hppa: Always report one page to tlb_set_page,
Richard Henderson <=
- [PULL 08/85] target/hppa: Remove get_temp_tl, Richard Henderson, 2023/11/06
- [PULL 13/85] target/hppa: Fix trans_ds for hppa64, Richard Henderson, 2023/11/06
- [PULL 10/85] target/hppa: Fix hppa64 case in machine.c, Richard Henderson, 2023/11/06
- [PULL 15/85] target/hppa: Fix bb_sar for hppa64, Richard Henderson, 2023/11/06
- [PULL 18/85] target/hppa: Make HPPA_BTLB_ENTRIES variable, Richard Henderson, 2023/11/06
- [PULL 11/85] target/hppa: Fix load in do_load_32, Richard Henderson, 2023/11/06
- [PULL 30/85] target/hppa: Pass d to do_cond, Richard Henderson, 2023/11/06
- [PULL 22/85] target/hppa: Handle absolute addresses for pa2.0, Richard Henderson, 2023/11/06
- [PULL 37/85] target/hppa: Remove TARGET_HPPA64, Richard Henderson, 2023/11/06
- [PULL 38/85] target/hppa: Decode d for logical instructions, Richard Henderson, 2023/11/06