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esp_system: Mark the startup array as 'const' to save RAM

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This commit is contained in:
Angus Gratton
2021-03-02 15:59:44 +11:00
parent ecb01b28c4
commit d0e0f80bd0
2 changed files with 5 additions and 4 deletions
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5
components/esp_system/include/esp_private/startup_internal.h
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@@ -31,10 +31,11 @@ extern bool g_spiram_ok; // [refactor-todo] better way to communicate this from
// array, one per core.
typedef void (*sys_startup_fn_t)(void);
/* This array of per-CPU system layer startup functions is initialized in the non-port part of esp_system */
#if !CONFIG_ESP_SYSTEM_SINGLE_CORE_MODE
extern sys_startup_fn_t g_startup_fn[SOC_CPU_CORES_NUM];
extern sys_startup_fn_t const g_startup_fn[SOC_CPU_CORES_NUM];
#else
extern sys_startup_fn_t g_startup_fn[1];
extern sys_startup_fn_t const g_startup_fn[1];
#endif
// Utility to execute `sys_startup_fn_t` for the current core.

4
components/esp_system/startup.c
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@@ -110,7 +110,7 @@ void esp_startup_start_app_other_cores(void) __attribute__((weak, alias("esp_sta
static volatile bool s_system_inited[SOC_CPU_CORES_NUM] = { false };
sys_startup_fn_t g_startup_fn[SOC_CPU_CORES_NUM] = { [0] = start_cpu0,
const sys_startup_fn_t g_startup_fn[SOC_CPU_CORES_NUM] = { [0] = start_cpu0,
#if SOC_CPU_CORES_NUM > 1
[1 ... SOC_CPU_CORES_NUM - 1] = start_cpu_other_cores
#endif
@@ -118,7 +118,7 @@ sys_startup_fn_t g_startup_fn[SOC_CPU_CORES_NUM] = { [0] = start_cpu0,
static volatile bool s_system_full_inited = false;
#else
sys_startup_fn_t g_startup_fn[1] = { start_cpu0 };
const sys_startup_fn_t g_startup_fn[1] = { start_cpu0 };
#endif
#ifdef CONFIG_COMPILER_CXX_EXCEPTIONS