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Spiram: Add option to reserve MMU banks; add himem API to make use of those banks

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This commit is contained in:
Jeroen Domburg
2018-06-29 11:05:36 +08:00
parent 299704cec3
commit 81e35a142a
24 changed files with 1055 additions and 27 deletions
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16
components/esp32/include/rom/cache.h
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@@ -83,6 +83,9 @@ static inline unsigned int IRAM_ATTR cache_flash_mmu_set(int cpu_no, int pid, un
* @brief Set Ext-SRAM-Cache mmu mapping.
* Please do not call this function in your SDK application.
*
* Note that this code lives in IRAM and has a bugfix in respect to the ROM version
* of this function (which erroneously refused a vaddr > 2MiB
*
* @param int cpu_no : CPU number, 0 for PRO cpu, 1 for APP cpu.
*
* @param int pod : process identifier. Range 0~7.
@@ -106,18 +109,7 @@ static inline unsigned int IRAM_ATTR cache_flash_mmu_set(int cpu_no, int pid, un
* 4 : mmu table to be written is out of range
* 5 : vaddr is out of range
*/
static inline unsigned int IRAM_ATTR cache_sram_mmu_set(int cpu_no, int pid, unsigned int vaddr, unsigned int paddr, int psize, int num)
{
extern unsigned int cache_sram_mmu_set_rom(int cpu_no, int pid, unsigned int vaddr, unsigned int paddr, int psize, int num);
unsigned int ret;
DPORT_STALL_OTHER_CPU_START();
ret = cache_sram_mmu_set_rom(cpu_no, pid, vaddr, paddr, psize, num);
DPORT_STALL_OTHER_CPU_END();
return ret;
}
unsigned int IRAM_ATTR cache_sram_mmu_set(int cpu_no, int pid, unsigned int vaddr, unsigned int paddr, int psize, int num);
/**
* @brief Initialise cache access for the cpu.