Message ID | 20210910204718.17765-12-marek.vasut+renesas@gmail.com |
---|---|
State | Accepted |
Commit | a69753f31d5863c692522f0b92db6e9cad06d553 |
Delegated to: | Tom Rini |
Headers | show |
Series | [01/12] lmb: Always compile arch_lmb_reserve() into U-Boot on arm | expand |
On Fri, Sep 10, 2021 at 10:47:18PM +0200, Marek Vasut wrote: > Add arch_lmb_reserve() implemented using arch_lmb_reserve_generic(). > It is rather likely this architecture also needs to cover U-Boot with > LMB before booting Linux. > > Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> > Cc: Simon Glass <sjg@chromium.org> > Cc: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com> > Cc: Tom Rini <trini@konsulko.com> Applied to u-boot/next, thanks!
diff --git a/arch/x86/lib/bootm.c b/arch/x86/lib/bootm.c index 733dd71257..667e5e689e 100644 --- a/arch/x86/lib/bootm.c +++ b/arch/x86/lib/bootm.c @@ -223,3 +223,21 @@ int do_bootm_linux(int flag, int argc, char *const argv[], return boot_jump_linux(images); } + +static ulong get_sp(void) +{ + ulong ret; + +#if CONFIG_IS_ENABLED(X86_64) + ret = gd->start_addr_sp; +#else + asm("mov %%esp, %0" : "=r"(ret) : ); +#endif + + return ret; +} + +void arch_lmb_reserve(struct lmb *lmb) +{ + arch_lmb_reserve_generic(lmb, get_sp(), gd->ram_top, 4096); +}
Add arch_lmb_reserve() implemented using arch_lmb_reserve_generic(). It is rather likely this architecture also needs to cover U-Boot with LMB before booting Linux. Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> Cc: Simon Glass <sjg@chromium.org> Cc: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com> Cc: Tom Rini <trini@konsulko.com> --- V2: No change --- arch/x86/lib/bootm.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)