diff options
Diffstat (limited to 'target/ppc/gdbstub.c')
-rw-r--r-- | target/ppc/gdbstub.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/target/ppc/gdbstub.c b/target/ppc/gdbstub.c index 19565b5..fbf3821 100644 --- a/target/ppc/gdbstub.c +++ b/target/ppc/gdbstub.c @@ -319,3 +319,64 @@ int ppc_cpu_gdb_write_register_apple(CPUState *cs, uint8_t *mem_buf, int n) } return r; } + +#ifndef CONFIG_USER_ONLY +void ppc_gdb_gen_spr_xml(PowerPCCPU *cpu) +{ + PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); + CPUPPCState *env = &cpu->env; + GString *xml; + char *spr_name; + unsigned int num_regs = 0; + int i; + + if (pcc->gdb_spr_xml) { + return; + } + + xml = g_string_new("<?xml version=\"1.0\"?>"); + g_string_append(xml, "<!DOCTYPE target SYSTEM \"gdb-target.dtd\">"); + g_string_append(xml, "<feature name=\"org.qemu.power.spr\">"); + + for (i = 0; i < ARRAY_SIZE(env->spr_cb); i++) { + ppc_spr_t *spr = &env->spr_cb[i]; + + if (!spr->name) { + continue; + } + + spr_name = g_ascii_strdown(spr->name, -1); + g_string_append_printf(xml, "<reg name=\"%s\"", spr_name); + g_free(spr_name); + + g_string_append_printf(xml, " bitsize=\"%d\"", TARGET_LONG_BITS); + g_string_append(xml, " group=\"spr\"/>"); + + /* + * GDB identifies registers based on the order they are + * presented in the XML. These ids will not match QEMU's + * representation (which follows the PowerISA). + * + * Store the position of the current register description so + * we can make the correspondence later. + */ + spr->gdb_id = num_regs; + num_regs++; + } + + g_string_append(xml, "</feature>"); + + pcc->gdb_num_sprs = num_regs; + pcc->gdb_spr_xml = g_string_free(xml, false); +} + +const char *ppc_gdb_get_dynamic_xml(CPUState *cs, const char *xml_name) +{ + PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs); + + if (strcmp(xml_name, "power-spr.xml") == 0) { + return pcc->gdb_spr_xml; + } + return NULL; +} +#endif |