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sandbox: Allow puts() output before global_data is set up

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We support putc() in this case but not puts(), but this is more useful
since it is what printf() uses.

This particularly affects debugging early in SPL, where currently printf()
statements result in no output. Fix this by adding a special case into
puts() for sandbox, just like putc().

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Simon Glass 2018-11-15 18:44:04 -07:00 • committed by Tom Rini
parent d66ddafaf9
commit 36bcea62af
1 changed files with 7 additions and 0 deletions
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7
common/console.c
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@ -535,6 +535,13 @@ void putc(const char c)
void puts(const char *s) void puts(const char *s)
{ {
#ifdef CONFIG_SANDBOX
/* sandbox can send characters to stdout before it has a console */
if (!gd || !(gd->flags & GD_FLG_SERIAL_READY)) {
os_puts(s);
return;
}
#endif
#ifdef CONFIG_DEBUG_UART #ifdef CONFIG_DEBUG_UART
if (!gd || !(gd->flags & GD_FLG_SERIAL_READY)) { if (!gd || !(gd->flags & GD_FLG_SERIAL_READY)) {
while (*s) { while (*s) {