On Fri, Oct 15, 2021 at 05:48:56PM +0200, marek.va...@gmail.com wrote: > From: Marek Vasut <marek.vasut+rene...@gmail.com> > > In case U-Boot starts with GD_FLG_SKIP_RELOC, the U-Boot code is > not relocated, however the stack and heap is at the end of DRAM > after relocation. Reserve a LMB area for the non-relocated U-Boot > code so it won't be overwritten. > > Signed-off-by: Marek Vasut <marek.vasut+rene...@gmail.com> > Cc: Simon Glass <s...@chromium.org> > Cc: Tom Rini <tr...@konsulko.com> > Reviewed-by: Simon Glass <s...@chromium.org> > --- > V2: Make this fully generic > --- > lib/lmb.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/lib/lmb.c b/lib/lmb.c > index 676b3a0bda..d868633899 100644 > --- a/lib/lmb.c > +++ b/lib/lmb.c > @@ -13,6 +13,7 @@ > #include <malloc.h> > > #include <asm/global_data.h> > +#include <asm/sections.h> > > DECLARE_GLOBAL_DATA_PTR; > > @@ -144,6 +145,10 @@ void arch_lmb_reserve_generic(struct lmb *lmb, ulong sp, > ulong end, ulong align) > bank_end = end - 1; > > lmb_reserve(lmb, sp, bank_end - sp + 1); > + > + if (gd->flags & GD_FLG_SKIP_RELOC) > + lmb_reserve(lmb, (phys_addr_t)_start, gd->mon_len); > + > break; > } > }
I now see: sandbox: w+ sandbox + 150 | lmb_reserve(lmb, (phys_addr_t)_start, gd->mon_len); + | ^ w+lib/lmb.c: In function 'arch_lmb_reserve_generic': w+lib/lmb.c:150:42: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] -- Tom
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