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| author | Waldemar Brodkorb <wbrodkorb@conet.de> | 2015-01-30 14:44:56 +0100 |
|---|---|---|
| committer | Waldemar Brodkorb <wbrodkorb@conet.de> | 2015-01-30 14:44:56 +0100 |
| commit | a0347ab3bbadce1aa6e5573be156737e0086db87 (patch) | |
| tree | 16a133bab48065f734ea040ff9dfa14e0a14da9d /target/m68k/qemu-m68k/patches/3.18.4/qemu-coldfire.patch | |
| parent | aef047bf7d61880ed478e6410205ad2f7ff6067c (diff) | |
update kernels, simplify dtb install, update raspberry firmware and userland, fixes DMA problem fro me
Diffstat (limited to 'target/m68k/qemu-m68k/patches/3.18.4/qemu-coldfire.patch')
| -rw-r--r-- | target/m68k/qemu-m68k/patches/3.18.4/qemu-coldfire.patch | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/target/m68k/qemu-m68k/patches/3.18.4/qemu-coldfire.patch b/target/m68k/qemu-m68k/patches/3.18.4/qemu-coldfire.patch new file mode 100644 index 000000000..14d2f610b --- /dev/null +++ b/target/m68k/qemu-m68k/patches/3.18.4/qemu-coldfire.patch @@ -0,0 +1,24 @@ +m68k: enabled software emulation of separate supervisor/user stack + +Recent Coldfires have separate supervisor and user stack pointers, but +since older Coldfires didn't have that, the Linux kernel has a kind of +emulation mechanism for those pointers. + +Apparently, according to the Kconfig.cpu file, the 5208 is supposed to +support such separate pointers, but Qemu doesn't implement it. So we +cheat a bit here and force the usage of emulated separate stack +pointers. + +Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com> + +diff -Nur linux-3.17.7.orig/arch/m68k/Kconfig.cpu linux-3.17.7/arch/m68k/Kconfig.cpu +--- linux-3.17.7.orig/arch/m68k/Kconfig.cpu 2014-12-16 11:37:26.000000000 -0600 ++++ linux-3.17.7/arch/m68k/Kconfig.cpu 2014-12-27 14:12:19.291459730 -0600 +@@ -146,6 +146,7 @@ + depends on !MMU + select GENERIC_CLOCKEVENTS + select HAVE_CACHE_SPLIT ++ select COLDFIRE_SW_A7 + help + Freescale Coldfire 5207/5208 processor support. + |