From 81b18aa8d588156862559e0b22a86506fc6dac1a Mon Sep 17 00:00:00 2001
From: Ivan Grokhotkov <ivan@espressif.com>
Date: Tue, 8 Nov 2016 11:25:40 +0800
Subject: [PATCH] bootloader: move some functions out of IRAM when building in
 bootloader mode

Fixes https://github.com/espressif/esp-idf/issues/80
---
 components/log/log.c                       | 15 ++++++++++-----
 components/spi_flash/spi_flash_rom_patch.c | 10 ++++++++--
 2 files changed, 18 insertions(+), 7 deletions(-)

diff --git a/components/log/log.c b/components/log/log.c
index a2b41d7e62..9670b82dfd 100644
--- a/components/log/log.c
+++ b/components/log/log.c
@@ -284,7 +284,15 @@ static inline void heap_swap(int i, int j)
 }
 #endif //BOOTLOADER_BUILD
 
-IRAM_ATTR uint32_t esp_log_early_timestamp()
+
+#ifndef BOOTLOADER_BUILD
+#define ATTR IRAM_ATTR
+#else
+#define ATTR
+#endif // BOOTLOADER_BUILD
+
+
+uint32_t ATTR esp_log_early_timestamp()
 {
     return xthal_get_ccount() / (CPU_CLK_FREQ_ROM / 1000);
 }
@@ -305,9 +313,6 @@ uint32_t IRAM_ATTR esp_log_timestamp()
 
 #else
 
-uint32_t IRAM_ATTR esp_log_timestamp()
-{
-    return esp_log_early_timestamp();
-}
+uint32_t esp_log_timestamp() __attribute__((alias("esp_log_early_timestamp")));
 
 #endif //BOOTLOADER_BUILD
diff --git a/components/spi_flash/spi_flash_rom_patch.c b/components/spi_flash/spi_flash_rom_patch.c
index 7e23beaea2..36e5bf8236 100644
--- a/components/spi_flash/spi_flash_rom_patch.c
+++ b/components/spi_flash/spi_flash_rom_patch.c
@@ -19,9 +19,15 @@ static const uint32_t STATUS_QIE_BIT = (1 << 9); /* Quad Enable */
 #define SPI_IDX 1
 #define OTH_IDX 0
 
+#ifndef BOOTLOADER_BUILD
+#define ATTR IRAM_ATTR
+#else
+#define ATTR
+#endif // BOOTLOADER_BUILD
+
 extern SpiFlashChip SPI_flashchip_data;
 
-static void IRAM_ATTR Wait_SPI_Idle(void)
+static void ATTR Wait_SPI_Idle(void)
 {
   /* Wait for SPI state machine to be idle */
   while((REG_READ(SPI_EXT2_REG(SPI_IDX)) & SPI_ST)) {
@@ -42,7 +48,7 @@ static void IRAM_ATTR Wait_SPI_Idle(void)
    about interrupts, CPU coordination, flash mapping. However some of
    the functions in esp_spi_flash.c call it.
  */
-SpiFlashOpResult IRAM_ATTR SPIUnlock(void)
+SpiFlashOpResult ATTR SPIUnlock(void)
 {
   uint32_t status;