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#include "memory_access.h"
#include <stddef.h> /* NULL */
#include <stdbool.h>
#include "device_access.h"
#include "mmu_device.h"
#include "assert_support.h"
/* Presently system specific */
#include <hmm/hmm.h>
/* Presently system specific */
#include "hive_isp_css_mm_hrt.h"
/*
* This is an HRT backend implementation for CSIM
* 31 July 2012, rvanimme: this implementation is also used in Android context
*/
static sys_address page_table_base_address = (sys_address)-1;
void mmgr_set_base_address(const sys_address base_addr)
{
page_table_base_address = base_addr;
/*
* This is part of "device_access.h", but it may be
* that "hive_isp_css_mm_hrt.h" requires it
*/
/* hrt_isp_css_mm_set_ddr_address_offset(offset); */
/* mmu_set_page_table_base_index(MMU0_ID, page_table_base_address); */
}
ia_css_ptr mmgr_malloc(const size_t size)
{
return mmgr_alloc_attr(size, MMGR_ATTRIBUTE_CACHED);
}
ia_css_ptr mmgr_calloc(const size_t N, const size_t size)
{
return mmgr_alloc_attr(N * size,
MMGR_ATTRIBUTE_CLEARED|MMGR_ATTRIBUTE_CACHED);
}
void mmgr_free(ia_css_ptr vaddr)
{
/* "free()" should accept NULL, "hrt_isp_css_mm_free()" may not */
if (vaddr)
hrt_isp_css_mm_free(vaddr);
}
ia_css_ptr mmgr_alloc_attr(const size_t size, const uint16_t attribute)
{
ia_css_ptr ptr;
size_t extra_space = 0;
size_t aligned_size = size;
assert(page_table_base_address != (sys_address)-1);
assert((attribute & MMGR_ATTRIBUTE_UNUSED) == 0);
WARN_ON(attribute & MMGR_ATTRIBUTE_CONTIGUOUS);
if (attribute & MMGR_ATTRIBUTE_CLEARED) {
if (attribute & MMGR_ATTRIBUTE_CACHED) {
ptr = hrt_isp_css_mm_calloc_cached(
aligned_size + extra_space);
} else { /* !MMGR_ATTRIBUTE_CACHED */
ptr = hrt_isp_css_mm_calloc(
aligned_size + extra_space);
}
} else { /* MMGR_ATTRIBUTE_CLEARED */
if (attribute & MMGR_ATTRIBUTE_CACHED) {
ptr = hrt_isp_css_mm_alloc_cached(
aligned_size + extra_space);
} else { /* !MMGR_ATTRIBUTE_CACHED */
ptr = hrt_isp_css_mm_alloc(
aligned_size + extra_space);
}
}
return ptr;
}
ia_css_ptr mmgr_mmap(const void *ptr, const size_t size, uint16_t attribute,
void *context)
{
struct hrt_userbuffer_attr *userbuffer_attr = context;
return hrt_isp_css_mm_alloc_user_ptr(size, (void *)ptr,
userbuffer_attr->pgnr,
userbuffer_attr->type,
attribute & HRT_BUF_FLAG_CACHED);
}
void mmgr_clear(
ia_css_ptr vaddr,
const size_t size)
{
hrt_isp_css_mm_set(vaddr, 0, size);
}
void mmgr_load(const ia_css_ptr vaddr, void *data, const size_t size)
{
hrt_isp_css_mm_load(vaddr, data, size);
}
void mmgr_store(const ia_css_ptr vaddr, const void *data, const size_t size)
{
hrt_isp_css_mm_store(vaddr, data, size);
}
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