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[v1.04][RISCV] First support for parsing multi-letter extensions

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Dr-Noob
2023-09-18 08:20:32 +01:00
parent bcf8b8171d
commit 4fa3dc2076
2 changed files with 54 additions and 2 deletions
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26
src/riscv/riscv.c
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@@ -9,6 +9,11 @@
#include "uarch.h"
#include "soc.h"
#define SET_ISA_EXT_MAP(name, bit) \
if(strncmp(multi_letter_extension, name, \
multi_letter_extension_len) == 0) \
ext->mask |= 1UL << bit; \
struct frequency* get_frequency_info(uint32_t core) {
struct frequency* freq = emalloc(sizeof(struct frequency));
@@ -41,10 +46,27 @@ int parse_multi_letter_extension(struct extensions* ext, char* e) {
int multi_letter_extension_len = multi_letter_extension_end-(e+1);
// TODO: Parse extension and fill ext struct
char* multi_letter_extension = emalloc(multi_letter_extension_len);
strncpy(multi_letter_extension, e+1, multi_letter_extension_len);
printWarn("Not parsed multi-letter extension: %s", multi_letter_extension);
// TODO: Add more extensions
// https://en.wikipedia.org/wiki/RISC-V
SET_ISA_EXT_MAP("smaia", RISCV_ISA_EXT_SMAIA);
SET_ISA_EXT_MAP("ssaia", RISCV_ISA_EXT_SSAIA);
SET_ISA_EXT_MAP("sscofpmf", RISCV_ISA_EXT_SSCOFPMF);
SET_ISA_EXT_MAP("sstc", RISCV_ISA_EXT_SSTC);
SET_ISA_EXT_MAP("svinval", RISCV_ISA_EXT_SVINVAL);
SET_ISA_EXT_MAP("svnapot", RISCV_ISA_EXT_SVNAPOT);
SET_ISA_EXT_MAP("svpbmt", RISCV_ISA_EXT_SVPBMT);
SET_ISA_EXT_MAP("zba", RISCV_ISA_EXT_ZBA);
SET_ISA_EXT_MAP("zbb", RISCV_ISA_EXT_ZBB);
SET_ISA_EXT_MAP("zbs", RISCV_ISA_EXT_ZBS);
SET_ISA_EXT_MAP("zicbom", RISCV_ISA_EXT_ZICBOM);
SET_ISA_EXT_MAP("zicboz", RISCV_ISA_EXT_ZICBOZ);
SET_ISA_EXT_MAP("zihintpause", RISCV_ISA_EXT_ZIHINTPAUSE);
else {
printBug("parse_multi_letter_extension: Unknown multi-letter extension: %s", multi_letter_extension);
return -1;
}
return multi_letter_extension_len;
}