armv7a_mmu: Remove armv7a_mmu_translate_va()

This function is not used anywhere in the tree, remove it, such that we
only have a single function moving forward that might need to deal with
short vs. long format specifics.

Change-Id: I80e81cd7eba1e028d1afaeaedb675b46c0ca6fa1
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-on: http://openocd.zylin.com/5213
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-by: Matthias Welwarsky <matthias@welwarsky.de>

2 files changed, 0 insertions, 87 deletions

diff --git a/src/target/armv7a_mmu.c b/src/target/armv7a_mmu.c
index 859332a4..6118417f 100644
--- a/src/target/armv7a_mmu.c
+++ b/src/target/armv7a_mmu.c
@@ -34,92 +34,6 @@
 
 #define SCTLR_BIT_AFE (1 << 29)
 
-/*  method adapted to Cortex-A : reused ARM v4 v5 method */
-int armv7a_mmu_translate_va(struct target *target,  uint32_t va, uint32_t *val)
-{
-	uint32_t first_lvl_descriptor = 0x0;
-	uint32_t second_lvl_descriptor = 0x0;
-	int retval;
-	struct armv7a_common *armv7a = target_to_armv7a(target);
-	uint32_t ttbidx = 0;	/*  default to ttbr0 */
-	uint32_t ttb_mask;
-	uint32_t va_mask;
-	uint32_t ttb;
-
-	if (target->state != TARGET_HALTED)
-		LOG_INFO("target not halted, using cached values for translation table!");
-
-	/* if va is above the range handled by ttbr0, select ttbr1 */
-	if (va > armv7a->armv7a_mmu.ttbr_range[0]) {
-		/*  select ttb 1 */
-		ttbidx = 1;
-	}
-
-	ttb = armv7a->armv7a_mmu.ttbr[ttbidx];
-	ttb_mask = armv7a->armv7a_mmu.ttbr_mask[ttbidx];
-	va_mask = 0xfff00000 & armv7a->armv7a_mmu.ttbr_range[ttbidx];
-
-	LOG_DEBUG("ttb_mask %" PRIx32 " va_mask %" PRIx32 " ttbidx %i",
-		  ttb_mask, va_mask, ttbidx);
-	retval = armv7a->armv7a_mmu.read_physical_memory(target,
-			(ttb & ttb_mask) | ((va & va_mask) >> 18),
-			4, 1, (uint8_t *)&first_lvl_descriptor);
-	if (retval != ERROR_OK)
-		return retval;
-	first_lvl_descriptor = target_buffer_get_u32(target, (uint8_t *)
-			&first_lvl_descriptor);
-	/*  reuse armv4_5 piece of code, specific armv7a changes may come later */
-	LOG_DEBUG("1st lvl desc: %8.8" PRIx32 "", first_lvl_descriptor);
-
-	if ((first_lvl_descriptor & 0x3) == 0) {
-		/* Avoid LOG_ERROR, probably GDB is guessing the stack frame */
-		LOG_WARNING("Address translation failure [1]: va %8.8" PRIx32 "", va);
-		return ERROR_TARGET_TRANSLATION_FAULT;
-	}
-
-	if ((first_lvl_descriptor & 0x40002) == 2) {
-		/* section descriptor */
-		*val = (first_lvl_descriptor & 0xfff00000) | (va & 0x000fffff);
-		return ERROR_OK;
-	} else if ((first_lvl_descriptor & 0x40002) == 0x40002) {
-		/* supersection descriptor */
-		if (first_lvl_descriptor & 0x00f001e0) {
-			LOG_ERROR("Physical address does not fit into 32 bits");
-			return ERROR_TARGET_TRANSLATION_FAULT;
-		}
-		*val = (first_lvl_descriptor & 0xff000000) | (va & 0x00ffffff);
-		return ERROR_OK;
-	}
-
-	/* page table */
-	retval = armv7a->armv7a_mmu.read_physical_memory(target,
-			(first_lvl_descriptor & 0xfffffc00) | ((va & 0x000ff000) >> 10),
-			4, 1, (uint8_t *)&second_lvl_descriptor);
-	if (retval != ERROR_OK)
-		return retval;
-
-	second_lvl_descriptor = target_buffer_get_u32(target, (uint8_t *)
-			&second_lvl_descriptor);
-
-	LOG_DEBUG("2nd lvl desc: %8.8" PRIx32 "", second_lvl_descriptor);
-
-	if ((second_lvl_descriptor & 0x3) == 0) {
-		/* Avoid LOG_ERROR, probably GDB is guessing the stack frame */
-		LOG_WARNING("Address translation failure [2]: va %8.8" PRIx32 "", va);
-		return ERROR_TARGET_TRANSLATION_FAULT;
-	}
-
-	if ((second_lvl_descriptor & 0x3) == 1) {
-		/* large page descriptor */
-		*val = (second_lvl_descriptor & 0xffff0000) | (va & 0x0000ffff);
-	} else {
-		/* small page descriptor */
-		*val = (second_lvl_descriptor & 0xfffff000) | (va & 0x00000fff);
-	}
-
-	return ERROR_OK;
-}
-
 /*  V7 method VA TO PA  */
 int armv7a_mmu_translate_va_pa(struct target *target, uint32_t va,
 	uint32_t *val, int meminfo)
diff --git a/src/target/armv7a_mmu.h b/src/target/armv7a_mmu.h
index 4372aa8e..513e5670 100644
--- a/src/target/armv7a_mmu.h
+++ b/src/target/armv7a_mmu.h
@@ -19,7 +19,6 @@
 #ifndef OPENOCD_TARGET_ARMV7A_MMU_H
 #define OPENOCD_TARGET_ARMV7A_MMU_H
 
-extern int armv7a_mmu_translate_va(struct target *target,  uint32_t va, uint32_t *val);
 extern int armv7a_mmu_translate_va_pa(struct target *target, uint32_t va,
 	uint32_t *val, int meminfo);