Change in coreboot[master]: cpu/x86/lapic: Redo DEBUG_HALT_SELF

[Kyösti Mälkki (Code Review)]

Kyösti Mälkki has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/55189 )

Change subject: cpu/x86/lapic: Redo DEBUG_HALT_SELF
......................................................................

cpu/x86/lapic: Redo DEBUG_HALT_SELF

Change-Id: I7e42519d5bcee95970d366fd64923de874098172
Signed-off-by: Kyösti Mälkki 
---
M src/cpu/x86/lapic/lapic_cpu_init.c
1 file changed, 21 insertions(+), 25 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/89/55189/1

diff --git a/src/cpu/x86/lapic/lapic_cpu_init.c b/src/cpu/x86/lapic/lapic_cpu_init.c
index 31743c7..f73c4b2 100644
--- a/src/cpu/x86/lapic/lapic_cpu_init.c
+++ b/src/cpu/x86/lapic/lapic_cpu_init.c
@@ -317,6 +317,12 @@
  */
 #define DEBUG_HALT_SELF 0

+#if DEBUG_HALT_SELF
+#define dprintk(LEVEL, args...) do { printk(LEVEL, ##args); } while (0)
+#else
+#define dprintk(LEVEL, args...) do { } while (0)
+#endif
+
 /**
  * Normally this function is defined in lapic.h as an always inline function
  * that just keeps the CPU in a hlt() loop. This does not work on all CPUs.
@@ -339,47 +345,37 @@
    			LAPIC_INT_ASSERT | LAPIC_DM_INIT);

/* wait for the ipi send to finish */
-#if DEBUG_HALT_SELF
-	printk(BIOS_SPEW, "Waiting for send to finish...\n");
-#endif
+	dprintk(BIOS_SPEW, "Waiting for send to finish...\n");
+
    timeout = 0;
    do {
-#if DEBUG_HALT_SELF
-		printk(BIOS_SPEW, "+");
-#endif
+		dprintk(BIOS_SPEW, "+");
    	udelay(100);
    	send_status = lapic_read(LAPIC_ICR) & LAPIC_ICR_BUSY;
    } while (send_status && (timeout++ < 1000));
-	if (timeout >= 1000) {
-#if DEBUG_HALT_SELF
-		printk(BIOS_ERR, "timed out\n");
-#endif
-	}
+
+	if (timeout >= 1000)
+		dprintk(BIOS_ERR, "timed out\n");
+
    mdelay(10);

-#if DEBUG_HALT_SELF
-	printk(BIOS_SPEW, "Deasserting INIT.\n");
-#endif
+	dprintk(BIOS_SPEW, "Deasserting INIT.\n");
+
    /* Deassert the LAPIC INIT */
    lapic_write_around(LAPIC_ICR2, SET_LAPIC_DEST_FIELD(id));
    lapic_write_around(LAPIC_ICR, LAPIC_INT_LEVELTRIG | LAPIC_DM_INIT);

-#if DEBUG_HALT_SELF
-	printk(BIOS_SPEW, "Waiting for send to finish...\n");
-#endif
+	dprintk(BIOS_SPEW, "Waiting for send to finish...\n");
+
    timeout = 0;
    do {
-#if DEBUG_HALT_SELF
-		printk(BIOS_SPEW, "+");
-#endif
+		dprintk(BIOS_SPEW, "+");
    	udelay(100);
    	send_status = lapic_read(LAPIC_ICR) & LAPIC_ICR_BUSY;
    } while (send_status && (timeout++ < 1000));
-	if (timeout >= 1000) {
-#if DEBUG_HALT_SELF
-		printk(BIOS_ERR, "timed out\n");
-#endif
-	}
+
+	if (timeout >= 1000)
+		dprintk(BIOS_ERR, "timed out\n");

halt();
 }