diff options
| author | Simon Glass <[email protected]> | 2024-10-28 13:47:57 +0100 |
|---|---|---|
| committer | Tom Rini <[email protected]> | 2024-11-03 21:27:12 -0600 |
| commit | 5400c4bc0528b1f2bebd97de1deed62cbd65039b (patch) | |
| tree | 41c5bd417f61cfa78a0667e2b10491901cc9a92d /doc/usage | |
| parent | ec6d30649cd5026acf64301cca3d1721c16e69e7 (diff) | |
sandbox: Add a way to show the sandbox memory-mapping
This is mostly hidden in the background, but it is sometimes useful to
look at it. Add a function to allow this.
Signed-off-by: Simon Glass <[email protected]>
Diffstat (limited to 'doc/usage')
| -rw-r--r-- | doc/usage/cmd/sb.rst | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/doc/usage/cmd/sb.rst b/doc/usage/cmd/sb.rst index 6f54f9d9eb7..37431aff7c8 100644 --- a/doc/usage/cmd/sb.rst +++ b/doc/usage/cmd/sb.rst @@ -12,6 +12,7 @@ Synopsis :: sb handoff + sb map sb state Description @@ -26,6 +27,24 @@ sb handoff This shows information about any handoff information received from SPL. If U-Boot is started from an SPL build, it shows a valid magic number. +sb map +~~~~~~ + +This shows any mappings between sandbox's emulated RAM and the underlying host +address-space. + +Fields shown are: + +Addr + Address in emulated RAM + +Mapping + Equivalent address in the host address-space. While sandbox requests address + ``0x10000000`` from the OS, this is not always available. + +Refcnt + Shows the number of references to this mapping. + sb state ~~~~~~~~ @@ -42,6 +61,12 @@ as ``sandbox_spl``:: => sb handoff SPL handoff magic 14f93c7b +This shows output from the *sb map* subcommand, with a single mapping:: + + Sandbox memory-mapping + Addr Mapping Refcnt + ff000000 000056185b46d6d0 2 + This shows output from the *sb state* subcommand:: => sb state |