Date: Mon, 24 Feb 2014 09:40:04 +0000 (UTC) From: Andrew Turner <andrew@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r262438 - in projects/arm64/sys/arm64: arm64 conf Message-ID: <201402240940.s1O9e4Cp034145@svn.freebsd.org>
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Author: andrew Date: Mon Feb 24 09:40:03 2014 New Revision: 262438 URL: http://svnweb.freebsd.org/changeset/base/262438 Log: Add EARLY_PRINTF support for the ARM foundation model. Modified: projects/arm64/sys/arm64/arm64/machdep.c projects/arm64/sys/arm64/conf/GENERIC Modified: projects/arm64/sys/arm64/arm64/machdep.c ============================================================================== --- projects/arm64/sys/arm64/arm64/machdep.c Mon Feb 24 09:30:50 2014 (r262437) +++ projects/arm64/sys/arm64/arm64/machdep.c Mon Feb 24 09:40:03 2014 (r262438) @@ -255,6 +255,19 @@ sendsig(sig_t catcher, ksiginfo_t *ksi, void initarm(void); +#ifdef EARLY_PRINTF +static void +foundation_early_putc(int c) +{ + volatile uint32_t *uart = (uint32_t*)0x1c090000; + + /* TODO: Wait for space in the fifo */ + uart[0] = c; +} + +early_putc_t *early_putc = foundation_early_putc; +#endif + void initarm(void) { @@ -266,5 +279,7 @@ initarm(void) for (i = 0; i < sizeof(str); i++) { *uart = str[i]; } + + printf("In initarm on arm64\n"); } Modified: projects/arm64/sys/arm64/conf/GENERIC ============================================================================== --- projects/arm64/sys/arm64/conf/GENERIC Mon Feb 24 09:30:50 2014 (r262437) +++ projects/arm64/sys/arm64/conf/GENERIC Mon Feb 24 09:40:03 2014 (r262438) @@ -79,6 +79,7 @@ options INCLUDE_CONFIG_FILE # Inclu #options WITNESS # Enable checks to detect deadlocks and cycles #options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed options MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones +options EARLY_PRINTF # Serial (COM) ports #device uart # Generic UART driver
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