Remove unnecessary variable in map_mem
the variable 'table_present' is redundant in function(map_mem_region) Signed-off-by: Mingqiang Chi <mingqiang.chi@intel.com>
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119b038551
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@ -166,7 +166,6 @@ static uint32_t map_mem_region(void *vaddr, void *paddr,
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int ept_entry, enum mem_map_request_type request_type)
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{
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uint64_t table_entry;
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uint64_t table_present;
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uint32_t table_offset;
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uint32_t mapped_size;
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@ -237,21 +236,6 @@ static uint32_t map_mem_region(void *vaddr, void *paddr,
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/* Check to see if mapping should occur */
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if (mapped_size != 0) {
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/* Get current table entry */
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uint64_t tmp = MEM_READ64(table_base + table_offset);
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/* Check if EPT entry */
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if (ept_entry) {
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/* Use read/write/execute bits to determine presence of
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* entry
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*/
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table_present = (IA32E_EPT_R_BIT |
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IA32E_EPT_W_BIT | IA32E_EPT_X_BIT);
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} else {
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/* Use the P bit to determine if an entry is present */
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table_present = IA32E_COMM_P_BIT;
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}
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switch (request_type) {
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case PAGING_REQUEST_TYPE_MAP:
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{
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@ -271,7 +255,10 @@ static uint32_t map_mem_region(void *vaddr, void *paddr,
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}
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case PAGING_REQUEST_TYPE_UNMAP:
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{
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if (tmp & table_present) {
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/* Get current table entry */
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uint64_t entry = MEM_READ64(table_base + table_offset);
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if (entry) {
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/* Table is present.
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* Write the table entry to map this memory
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*/
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