bios/main: remove csr functions (not used and only supported by lm32), improve help presentation
This commit is contained in:
Florent Kermarrec
parent
66dffb7071
commit
f4369c8fb2
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@ -186,118 +186,6 @@ static void ident(void)
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printf("Ident: %s\n", buffer);
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}
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#ifdef __lm32__
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enum {
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CSR_IE = 1, CSR_IM, CSR_IP, CSR_ICC, CSR_DCC, CSR_CC, CSR_CFG, CSR_EBA,
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CSR_DC, CSR_DEBA, CSR_JTX, CSR_JRX, CSR_BP0, CSR_BP1, CSR_BP2, CSR_BP3,
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CSR_WP0, CSR_WP1, CSR_WP2, CSR_WP3,
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};
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/* processor registers */
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static int parse_csr(const char *csr)
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{
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if(!strcmp(csr, "ie")) return CSR_IE;
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if(!strcmp(csr, "im")) return CSR_IM;
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if(!strcmp(csr, "ip")) return CSR_IP;
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if(!strcmp(csr, "icc")) return CSR_ICC;
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if(!strcmp(csr, "dcc")) return CSR_DCC;
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if(!strcmp(csr, "cc")) return CSR_CC;
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if(!strcmp(csr, "cfg")) return CSR_CFG;
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if(!strcmp(csr, "eba")) return CSR_EBA;
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if(!strcmp(csr, "dc")) return CSR_DC;
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if(!strcmp(csr, "deba")) return CSR_DEBA;
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if(!strcmp(csr, "jtx")) return CSR_JTX;
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if(!strcmp(csr, "jrx")) return CSR_JRX;
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if(!strcmp(csr, "bp0")) return CSR_BP0;
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if(!strcmp(csr, "bp1")) return CSR_BP1;
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if(!strcmp(csr, "bp2")) return CSR_BP2;
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if(!strcmp(csr, "bp3")) return CSR_BP3;
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if(!strcmp(csr, "wp0")) return CSR_WP0;
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if(!strcmp(csr, "wp1")) return CSR_WP1;
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if(!strcmp(csr, "wp2")) return CSR_WP2;
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if(!strcmp(csr, "wp3")) return CSR_WP3;
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return 0;
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}
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static void rcsr(char *csr)
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{
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unsigned int csr2;
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register unsigned int value;
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if(*csr == 0) {
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printf("rcsr <csr>\n");
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return;
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}
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csr2 = parse_csr(csr);
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if(csr2 == 0) {
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printf("incorrect csr\n");
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return;
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}
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switch(csr2) {
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case CSR_IE: asm volatile ("rcsr %0,ie":"=r"(value)); break;
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case CSR_IM: asm volatile ("rcsr %0,im":"=r"(value)); break;
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case CSR_IP: asm volatile ("rcsr %0,ip":"=r"(value)); break;
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case CSR_CC: asm volatile ("rcsr %0,cc":"=r"(value)); break;
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case CSR_CFG: asm volatile ("rcsr %0,cfg":"=r"(value)); break;
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case CSR_EBA: asm volatile ("rcsr %0,eba":"=r"(value)); break;
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case CSR_DEBA: asm volatile ("rcsr %0,deba":"=r"(value)); break;
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case CSR_JTX: asm volatile ("rcsr %0,jtx":"=r"(value)); break;
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case CSR_JRX: asm volatile ("rcsr %0,jrx":"=r"(value)); break;
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default: printf("csr write only\n"); return;
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}
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printf("%08x\n", value);
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}
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static void wcsr(char *csr, char *value)
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{
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char *c;
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unsigned int csr2;
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register unsigned int value2;
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if((*csr == 0) || (*value == 0)) {
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printf("wcsr <csr> <address>\n");
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return;
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}
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csr2 = parse_csr(csr);
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if(csr2 == 0) {
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printf("incorrect csr\n");
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return;
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}
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value2 = strtoul(value, &c, 0);
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if(*c != 0) {
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printf("incorrect value\n");
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return;
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}
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switch(csr2) {
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case CSR_IE: asm volatile ("wcsr ie,%0"::"r"(value2)); break;
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case CSR_IM: asm volatile ("wcsr im,%0"::"r"(value2)); break;
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case CSR_ICC: asm volatile ("wcsr icc,%0"::"r"(value2)); break;
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case CSR_DCC: asm volatile ("wcsr dcc,%0"::"r"(value2)); break;
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case CSR_EBA: asm volatile ("wcsr eba,%0"::"r"(value2)); break;
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case CSR_DC: asm volatile ("wcsr dcc,%0"::"r"(value2)); break;
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case CSR_DEBA: asm volatile ("wcsr deba,%0"::"r"(value2)); break;
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case CSR_JTX: asm volatile ("wcsr jtx,%0"::"r"(value2)); break;
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case CSR_JRX: asm volatile ("wcsr jrx,%0"::"r"(value2)); break;
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case CSR_BP0: asm volatile ("wcsr bp0,%0"::"r"(value2)); break;
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case CSR_BP1: asm volatile ("wcsr bp1,%0"::"r"(value2)); break;
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case CSR_BP2: asm volatile ("wcsr bp2,%0"::"r"(value2)); break;
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case CSR_BP3: asm volatile ("wcsr bp3,%0"::"r"(value2)); break;
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case CSR_WP0: asm volatile ("wcsr wp0,%0"::"r"(value2)); break;
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case CSR_WP1: asm volatile ("wcsr wp1,%0"::"r"(value2)); break;
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case CSR_WP2: asm volatile ("wcsr wp2,%0"::"r"(value2)); break;
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case CSR_WP3: asm volatile ("wcsr wp3,%0"::"r"(value2)); break;
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default: printf("csr read only\n"); return;
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}
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}
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#endif /* __lm32__ */
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/* Init + command line */
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static void help(void)
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@ -306,12 +194,10 @@ static void help(void)
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puts("mr - read address space");
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puts("mw - write address space");
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puts("mc - copy address space");
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puts("");
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puts("crc - compute CRC32 of a part of the address space");
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puts("ident - display identifier");
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#ifdef __lm32__
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puts("rcsr - read processor CSR");
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puts("wcsr - write processor CSR");
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#endif
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puts("");
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#ifdef CSR_CTRL_BASE
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puts("reboot - reset processor");
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#endif
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@ -325,6 +211,7 @@ static void help(void)
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#ifdef ROM_BOOT_ADDRESS
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puts("romboot - boot from embedded rom");
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#endif
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puts("");
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#ifdef CSR_SDRAM_BASE
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puts("memtest - run a memory test");
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#endif
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@ -384,11 +271,6 @@ static void do_command(char *c)
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else if(strcmp(token, "help") == 0) help();
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#ifdef __lm32__
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else if(strcmp(token, "rcsr") == 0) rcsr(get_token(&c));
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else if(strcmp(token, "wcsr") == 0) wcsr(get_token(&c), get_token(&c));
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#endif
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#ifdef CSR_SDRAM_BASE
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else if(strcmp(token, "sdrrow") == 0) sdrrow(get_token(&c));
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else if(strcmp(token, "sdrsw") == 0) sdrsw();
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