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[Qemu-devel] [PATCH v6 06/47] Provide runtime Target page information
From: |
Dr. David Alan Gilbert (git) |
Subject: |
[Qemu-devel] [PATCH v6 06/47] Provide runtime Target page information |
Date: |
Tue, 14 Apr 2015 18:03:32 +0100 |
From: "Dr. David Alan Gilbert" <address@hidden>
The migration code generally is built target-independent, however
there are a few places where knowing the target page size would
avoid artificially moving stuff into arch_init.
Provide 'qemu_target_page_bits()' that returns TARGET_PAGE_BITS
to other bits of code so that they can stay target-independent.
Signed-off-by: Dr. David Alan Gilbert <address@hidden>
---
exec.c | 10 ++++++++++
include/sysemu/sysemu.h | 1 +
2 files changed, 11 insertions(+)
diff --git a/exec.c b/exec.c
index 7693794..c3027cf 100644
--- a/exec.c
+++ b/exec.c
@@ -3038,6 +3038,16 @@ int cpu_memory_rw_debug(CPUState *cpu, target_ulong addr,
}
return 0;
}
+
+/*
+ * Allows code that needs to deal with migration bitmaps etc to still be built
+ * target independent.
+ */
+size_t qemu_target_page_bits(void)
+{
+ return TARGET_PAGE_BITS;
+}
+
#endif
/*
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
index 7a1ea91..bd67f86 100644
--- a/include/sysemu/sysemu.h
+++ b/include/sysemu/sysemu.h
@@ -68,6 +68,7 @@ int qemu_reset_requested_get(void);
void qemu_system_killed(int signal, pid_t pid);
void qemu_devices_reset(void);
void qemu_system_reset(bool report);
+size_t qemu_target_page_bits(void);
void qemu_add_exit_notifier(Notifier *notify);
void qemu_remove_exit_notifier(Notifier *notify);
--
2.1.0
- [Qemu-devel] [PATCH v6 00/47] Postcopy implementation, Dr. David Alan Gilbert (git), 2015/04/14
- [Qemu-devel] [PATCH v6 02/47] Split header writing out of qemu_savevm_state_begin, Dr. David Alan Gilbert (git), 2015/04/14
- [Qemu-devel] [PATCH v6 01/47] Start documenting how postcopy works., Dr. David Alan Gilbert (git), 2015/04/14
- [Qemu-devel] [PATCH v6 04/47] Add qemu_get_counted_string to read a string prefixed by a count byte, Dr. David Alan Gilbert (git), 2015/04/14
- [Qemu-devel] [PATCH v6 03/47] qemu_ram_foreach_block: pass up error value, and down the ramblock name, Dr. David Alan Gilbert (git), 2015/04/14
- [Qemu-devel] [PATCH v6 05/47] Create MigrationIncomingState, Dr. David Alan Gilbert (git), 2015/04/14
- [Qemu-devel] [PATCH v6 06/47] Provide runtime Target page information,
Dr. David Alan Gilbert (git) <=
- [Qemu-devel] [PATCH v6 09/47] Add wrapper for setting blocking status on a QEMUFile, Dr. David Alan Gilbert (git), 2015/04/14
- [Qemu-devel] [PATCH v6 07/47] Move copy out of qemu_peek_buffer, Dr. David Alan Gilbert (git), 2015/04/14
- [Qemu-devel] [PATCH v6 13/47] Migration commands, Dr. David Alan Gilbert (git), 2015/04/14
- [Qemu-devel] [PATCH v6 10/47] Rename save_live_complete to save_live_complete_precopy, Dr. David Alan Gilbert (git), 2015/04/14
- [Qemu-devel] [PATCH v6 12/47] Return path: socket_writev_buffer: Block even on non-blocking fd's, Dr. David Alan Gilbert (git), 2015/04/14
- [Qemu-devel] [PATCH v6 08/47] Add qemu_get_buffer_less_copy to avoid copies some of the time, Dr. David Alan Gilbert (git), 2015/04/14
- [Qemu-devel] [PATCH v6 11/47] Return path: Open a return path on QEMUFile for sockets, Dr. David Alan Gilbert (git), 2015/04/14
- [Qemu-devel] [PATCH v6 15/47] Return path: Send responses from destination to source, Dr. David Alan Gilbert (git), 2015/04/14
- [Qemu-devel] [PATCH v6 14/47] Return path: Control commands, Dr. David Alan Gilbert (git), 2015/04/14
- [Qemu-devel] [PATCH v6 17/47] ram_debug_dump_bitmap: Dump a migration bitmap as text, Dr. David Alan Gilbert (git), 2015/04/14