Message ID | 1453225734-16993-4-git-send-email-tony@atomide.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Hello. On 01/19/2016 08:48 PM, Tony Lindgren wrote: > We don't want to write to .text and we can move save_secure_ram_context > into .data as it all gets copied into SRAM anyways. > > Cc: Kees Cook <keescook@chromium.org> > Cc: Laura Abbott <labbott@redhat.com> > Cc: Nicolas Pitre <nicolas.pitre@linaro.org> > Cc: Nishanth Menon <menon.nishanth@gmail.com> > Cc: Richard Woodruff <r-woodruff2@ti.com> > Cc: Russell King <linux@arm.linux.org.uk> > Cc: Tero Kristo <t-kristo@ti.com> > Signed-off-by: Tony Lindgren <tony@atomide.com> > --- > arch/arm/mach-omap2/sleep34xx.S | 10 ++++++++-- > 1 file changed, 8 insertions(+), 2 deletions(-) > > diff --git a/arch/arm/mach-omap2/sleep34xx.S b/arch/arm/mach-omap2/sleep34xx.S > index f7c7bf8..042e4fb 100644 > --- a/arch/arm/mach-omap2/sleep34xx.S > +++ b/arch/arm/mach-omap2/sleep34xx.S > @@ -93,8 +93,12 @@ ENTRY(enable_omap3630_toggle_l2_on_restore) > ldmfd sp!, {pc} @ restore regs and return > ENDPROC(enable_omap3630_toggle_l2_on_restore) > > - .text > -/* Function to call rom code to save secure ram context */ > +/* > + * Function to call rom code to save secure ram context, This gets s/,/./? > + * relocated to SRAM, so it can be all in .data section. Otherwise > + * we need to initialize api_params separately. > + */ > + .data > .align 3 > ENTRY(save_secure_ram_context) > stmfd sp!, {r4 - r11, lr} @ save registers on stack [...] MBR, Sergei -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
* Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> [160119 10:46]: > >--- a/arch/arm/mach-omap2/sleep34xx.S > >+++ b/arch/arm/mach-omap2/sleep34xx.S > >@@ -93,8 +93,12 @@ ENTRY(enable_omap3630_toggle_l2_on_restore) > > ldmfd sp!, {pc} @ restore regs and return > > ENDPROC(enable_omap3630_toggle_l2_on_restore) > > > >- .text > >-/* Function to call rom code to save secure ram context */ > >+/* > >+ * Function to call rom code to save secure ram context, This gets > > s/,/./? Will fix thanks. Tony -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/arch/arm/mach-omap2/sleep34xx.S b/arch/arm/mach-omap2/sleep34xx.S index f7c7bf8..042e4fb 100644 --- a/arch/arm/mach-omap2/sleep34xx.S +++ b/arch/arm/mach-omap2/sleep34xx.S @@ -93,8 +93,12 @@ ENTRY(enable_omap3630_toggle_l2_on_restore) ldmfd sp!, {pc} @ restore regs and return ENDPROC(enable_omap3630_toggle_l2_on_restore) - .text -/* Function to call rom code to save secure ram context */ +/* + * Function to call rom code to save secure ram context, This gets + * relocated to SRAM, so it can be all in .data section. Otherwise + * we need to initialize api_params separately. + */ + .data .align 3 ENTRY(save_secure_ram_context) stmfd sp!, {r4 - r11, lr} @ save registers on stack @@ -128,6 +132,8 @@ ENDPROC(save_secure_ram_context) ENTRY(save_secure_ram_context_sz) .word . - save_secure_ram_context + .text + /* * ====================== * == Idle entry point ==
We don't want to write to .text and we can move save_secure_ram_context into .data as it all gets copied into SRAM anyways. Cc: Kees Cook <keescook@chromium.org> Cc: Laura Abbott <labbott@redhat.com> Cc: Nicolas Pitre <nicolas.pitre@linaro.org> Cc: Nishanth Menon <menon.nishanth@gmail.com> Cc: Richard Woodruff <r-woodruff2@ti.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Tero Kristo <t-kristo@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com> --- arch/arm/mach-omap2/sleep34xx.S | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)