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| author | Stefan Hajnoczi <stefanha@redhat.com> | 2023-10-05 08:55:34 -0400 |
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| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2023-10-05 08:55:34 -0400 |
| commit | 800af0aae1cfa456701c5fa1ef273ce47585179c (patch) | |
| tree | a09e2ed64a8cee863cb214d8aaaab3dd51f0e3f5 /include/exec/cpu-defs.h | |
| parent | 7598971167080a8328a1b8e22425839cb4ccf7b7 (diff) | |
| parent | 79de3960ae1e322835112755d99187ee9b63a270 (diff) | |
| download | focaccia-qemu-800af0aae1cfa456701c5fa1ef273ce47585179c.tar.gz focaccia-qemu-800af0aae1cfa456701c5fa1ef273ce47585179c.zip | |
Merge tag 'pull-tcg-20231004' of https://gitlab.com/rth7680/qemu into staging
accel: Introduce AccelClass::cpu_common_[un]realize accel: Target agnostic code movement accel/tcg: Cleanups to use CPUState instead of CPUArchState accel/tcg: Move CPUNegativeOffsetState into CPUState tcg: Split out tcg init functions to tcg/startup.h linux-user/hppa: Fix struct target_sigcontext layout build: Remove --enable-gprof # -----BEGIN PGP SIGNATURE----- # # iQFRBAABCgA7FiEEekgeeIaLTbaoWgXAZN846K9+IV8FAmUdsL4dHHJpY2hhcmQu # aGVuZGVyc29uQGxpbmFyby5vcmcACgkQZN846K9+IV/iYggAvDJEyMCAXSSH97BA # wZT/2D/MFIhOMk6xrQRnrXfrG70N0iVKz44jl9j7k1D+9BOHcso//DDJH3c96k9A # MgDb6W2bsWvC15/Qw6BALf5bb/II0MJuCcQvj3CNX5lNkXAWhwIOBhsZx7V9ST1+ # rihN4nowpRWdV5GeCjDGaJW455Y1gc96hICYHy6Eqw1cUgUFt9vm5aYU3FHlat29 # sYRaVYKUL2hRUPPNcPiPq0AaJ8wN6/s8gT+V1UvTzkhHqskoM4ZU89RchuXVoq1h # SvhKElyULMRzM7thWtpW8qYJPj4mxZsKArESvHjsunGD6KEz3Fh1sy6EKRcdmpG/ # II1vkg== # =k2Io # -----END PGP SIGNATURE----- # gpg: Signature made Wed 04 Oct 2023 14:36:46 EDT # gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F # gpg: issuer "richard.henderson@linaro.org" # gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full] # Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F * tag 'pull-tcg-20231004' of https://gitlab.com/rth7680/qemu: (47 commits) tcg/loongarch64: Fix buid error tests/avocado: Re-enable MIPS Malta tests (GitLab issue #1884 fixed) build: Remove --enable-gprof linux-user/hppa: Fix struct target_sigcontext layout tcg: Split out tcg init functions to tcg/startup.h tcg: Remove argument to tcg_prologue_init accel/tcg: Make cpu-exec-common.c a target agnostic unit accel/tcg: Make icount.o a target agnostic unit accel/tcg: Make monitor.c a target-agnostic unit accel/tcg: Rename target-specific 'internal.h' -> 'internal-target.h' exec: Rename target specific page-vary.c -> page-vary-target.c exec: Rename cpu.c -> cpu-target.c accel: Rename accel-common.c -> accel-target.c accel: Make accel-blocker.o target agnostic accel/tcg: Restrict dump_exec_info() declaration exec: Move cpu_loop_foo() target agnostic functions to 'cpu-common.h' exec: Make EXCP_FOO definitions target agnostic accel/tcg: move ld/st helpers to ldst_common.c.inc accel/tcg: Unify user and softmmu do_[st|ld]*_mmu() accel/tcg: Remove env_tlb() ... Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'include/exec/cpu-defs.h')
| -rw-r--r-- | include/exec/cpu-defs.h | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/include/exec/cpu-defs.h b/include/exec/cpu-defs.h index 350287852e..3915438b83 100644 --- a/include/exec/cpu-defs.h +++ b/include/exec/cpu-defs.h @@ -54,18 +54,7 @@ #include "exec/target_long.h" -/* - * Fix the number of mmu modes to 16, which is also the maximum - * supported by the softmmu tlb api. - */ -#define NB_MMU_MODES 16 - #if defined(CONFIG_SOFTMMU) && defined(CONFIG_TCG) -#include "exec/tlb-common.h" - -/* use a fully associative victim tlb of 8 entries */ -#define CPU_VTLB_SIZE 8 - #define CPU_TLB_DYN_MIN_BITS 6 #define CPU_TLB_DYN_DEFAULT_BITS 8 @@ -91,131 +80,4 @@ #endif /* CONFIG_SOFTMMU && CONFIG_TCG */ -#if defined(CONFIG_SOFTMMU) -/* - * The full TLB entry, which is not accessed by generated TCG code, - * so the layout is not as critical as that of CPUTLBEntry. This is - * also why we don't want to combine the two structs. - */ -typedef struct CPUTLBEntryFull { - /* - * @xlat_section contains: - * - For ram, an offset which must be added to the virtual address - * to obtain the ram_addr_t of the target RAM - * - For other memory regions, - * + in the lower TARGET_PAGE_BITS, the physical section number - * + with the TARGET_PAGE_BITS masked off, the offset within - * the target MemoryRegion - */ - hwaddr xlat_section; - - /* - * @phys_addr contains the physical address in the address space - * given by cpu_asidx_from_attrs(cpu, @attrs). - */ - hwaddr phys_addr; - - /* @attrs contains the memory transaction attributes for the page. */ - MemTxAttrs attrs; - - /* @prot contains the complete protections for the page. */ - uint8_t prot; - - /* @lg_page_size contains the log2 of the page size. */ - uint8_t lg_page_size; - - /* - * Additional tlb flags for use by the slow path. If non-zero, - * the corresponding CPUTLBEntry comparator must have TLB_FORCE_SLOW. - */ - uint8_t slow_flags[MMU_ACCESS_COUNT]; - - /* - * Allow target-specific additions to this structure. - * This may be used to cache items from the guest cpu - * page tables for later use by the implementation. - */ -#ifdef TARGET_PAGE_ENTRY_EXTRA - TARGET_PAGE_ENTRY_EXTRA -#endif -} CPUTLBEntryFull; -#endif /* CONFIG_SOFTMMU */ - -#if defined(CONFIG_SOFTMMU) && defined(CONFIG_TCG) -/* - * Data elements that are per MMU mode, minus the bits accessed by - * the TCG fast path. - */ -typedef struct CPUTLBDesc { - /* - * Describe a region covering all of the large pages allocated - * into the tlb. When any page within this region is flushed, - * we must flush the entire tlb. The region is matched if - * (addr & large_page_mask) == large_page_addr. - */ - vaddr large_page_addr; - vaddr large_page_mask; - /* host time (in ns) at the beginning of the time window */ - int64_t window_begin_ns; - /* maximum number of entries observed in the window */ - size_t window_max_entries; - size_t n_used_entries; - /* The next index to use in the tlb victim table. */ - size_t vindex; - /* The tlb victim table, in two parts. */ - CPUTLBEntry vtable[CPU_VTLB_SIZE]; - CPUTLBEntryFull vfulltlb[CPU_VTLB_SIZE]; - CPUTLBEntryFull *fulltlb; -} CPUTLBDesc; - -/* - * Data elements that are shared between all MMU modes. - */ -typedef struct CPUTLBCommon { - /* Serialize updates to f.table and d.vtable, and others as noted. */ - QemuSpin lock; - /* - * Within dirty, for each bit N, modifications have been made to - * mmu_idx N since the last time that mmu_idx was flushed. - * Protected by tlb_c.lock. - */ - uint16_t dirty; - /* - * Statistics. These are not lock protected, but are read and - * written atomically. This allows the monitor to print a snapshot - * of the stats without interfering with the cpu. - */ - size_t full_flush_count; - size_t part_flush_count; - size_t elide_flush_count; -} CPUTLBCommon; - -/* - * The entire softmmu tlb, for all MMU modes. - * The meaning of each of the MMU modes is defined in the target code. - * Since this is placed within CPUNegativeOffsetState, the smallest - * negative offsets are at the end of the struct. - */ - -typedef struct CPUTLB { - CPUTLBCommon c; - CPUTLBDesc d[NB_MMU_MODES]; - CPUTLBDescFast f[NB_MMU_MODES]; -} CPUTLB; - -#else - -typedef struct CPUTLB { } CPUTLB; - -#endif /* CONFIG_SOFTMMU && CONFIG_TCG */ - -/* - * This structure must be placed in ArchCPU immediately - * before CPUArchState, as a field named "neg". - */ -typedef struct CPUNegativeOffsetState { - CPUTLB tlb; - IcountDecr icount_decr; -} CPUNegativeOffsetState; - #endif |