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qemu/include/exec
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Alexander Graf 4b870dc4d0 hostmem-file: add offset option 
Add an option for hostmem-file to start the memory object at an offset
into the target file. This is useful if multiple memory objects reside
inside the same target file, such as a device node.

In particular, it's useful to map guest memory directly into /dev/mem
for experimentation.

To make this work consistently, also fix up all places in QEMU that
expect fd offsets to be 0.

Signed-off-by: Alexander Graf <graf@amazon.com>
Message-Id: <20230403221421.60877-1-graf@amazon.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Peter Xu <peterx@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
2023-05-23 16:47:03 +02:00
..
user tcg: Split out exec/user/guest-base.h 2023-05-16 20:13:51 -07:00
address-spaces.h Clean up header guards that don't match their file name 2016-07-12 16:19:16 +02:00
confidential-guest-support.h confidential guest support: Introduce cgs "ready" flag 2021-02-08 16:57:38 +11:00
cpu_ldst.h accel/tcg: Introduce tlb_read_idx 2023-05-11 09:53:41 +01:00
cpu-all.h tcg: Split out exec/user/guest-base.h 2023-05-16 20:13:51 -07:00
cpu-common.h cpu: expose qemu_cpu_list_lock for lock-guard use 2023-05-11 09:53:41 +01:00
cpu-defs.h accel/tcg: Introduce tlb_read_idx 2023-05-11 09:53:41 +01:00
cputlb.h overall/alpha tcg cpus|hppa: Fix Lesser GPL version number 2020-11-15 16:43:54 +01:00
exec-all.h accel/tcg: Pass last not end to tb_invalidate_phys_range 2023-03-28 15:23:10 -07:00
gdbstub.h gdbstub: move syscall handling to new file 2023-03-07 20:44:08 +00:00
gen-icount.h include/exec/gen-icount: Drop tcg_temp_free in gen_tb_start 2023-03-05 13:44:08 -08:00
helper-gen.h tracing: excise the tcg related from tracetool 2022-02-09 12:08:42 +00:00
helper-head.h exec/helper-head: Include missing "fpu/softfloat-types.h" header 2023-02-28 10:32:31 -10:00
helper-proto.h tcg: Mark tcg helpers noinline to avoid an issue with LTO 2023-01-23 14:39:48 -10:00
helper-tcg.h tracing: remove the trace-tcg includes from the build 2022-02-09 12:08:42 +00:00
hwaddr.h bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx 2023-01-18 11:14:34 +01:00
ioport.h nomaintainer: Fix Lesser GPL version number 2020-11-15 17:04:40 +01:00
log.h include/exec/log: Do not reference QemuLogFile directly 2022-04-20 10:51:11 -07:00
memattrs.h softmmu/physmem: Introduce MemTxAttrs::memory field and MEMTX_ACCESS_ERROR 2022-03-21 10:10:58 +01:00
memop.h include/exec/memop: Add MO_ATOM_* 2023-05-16 15:21:38 -07:00
memopidx.h Normalize header guard symbol definition 2022-05-11 16:50:26 +02:00
memory_ldst_cached.h.inc exec/memory_ldst_cached: Use correct type size 2021-05-26 08:35:51 -07:00
memory_ldst_phys.h.inc exec/memory_ldst_phys: Use correct type sizes 2021-05-26 08:35:51 -07:00
memory_ldst.h.inc exec/memory_ldst: Use correct type sizes 2021-05-26 08:35:51 -07:00
memory-internal.h exec/memory: Expose memory_region_access_valid() 2023-01-09 13:50:13 +01:00
memory.h hostmem-file: add offset option 2023-05-23 16:47:03 +02:00
page-vary.h include: move target page bits declaration to page-vary.h 2022-04-06 14:31:43 +02:00
plugin-gen.h accel/tcg: Widen plugin_gen_empty_mem_callback to i64 2023-05-16 16:30:29 -07:00
poison.h tcg: Remove TARGET_ALIGNED_ONLY 2023-05-11 09:53:41 +01:00
ram_addr.h hostmem-file: add offset option 2023-05-23 16:47:03 +02:00
ramblock.h hostmem-file: add offset option 2023-05-23 16:47:03 +02:00
ramlist.h qapi: introduce x-query-ramblock QMP command 2021-11-02 15:55:14 +00:00
replay-core.h replay: Extract core API to 'exec/replay-core.h' 2023-02-27 22:29:01 +01:00
target_long.h include: split target_long definition from cpu-defs 2023-03-07 20:44:09 +00:00
target_page.h softmmu: Create qemu_target_pages_to_MiB() 2023-05-15 10:33:03 +02:00
tb-flush.h includes: move tb_flush into its own header 2023-03-07 17:06:33 +00:00
translate-all.h accel/tcg: Move remainder of page locking to tb-maint.c 2022-12-20 17:11:12 -08:00
translator.h accel/tcg: Remove translator_loop_temp_check 2023-03-05 13:44:07 -08:00
tswap.h include/exec: Provide the tswap() functions for target independent code, too 2023-04-20 11:25:32 +02:00